Pub Date : 2024-10-23DOI: 10.1016/j.jece.2024.114553
Sivaraman Chandrasekaran , Sreshtha Jadhav , S. Mari Selvam , Nageshwari Krishnamoorthy , Paramasivan Balasubramanian
Biochar, a carbon-rich material derived from the pyrolysis or carbonization of biomass, has gained significant attention in recent years due to its versatile applications in the energy sector. As the focus on sustainable and renewable energy sources intensifies, biochar-based materials have emerged as promising candidates for various energy-related uses. This review aims to provide a comprehensive overview of the current state of the art and the sustainability of biochar-based materials for energy applications. It is essential to adopt a sustainability perspective when examining the state of the art, considering the environmental, economic, and social dimensions of biochar-based materials to ensure their long-term viability and alignment with sustainable development goals. By delving into the latest advancements, challenges, and opportunities, this review seeks to advance the adoption of biochar-based materials as sustainable solutions in the rapidly evolving energy landscape.
{"title":"Biochar-based materials for sustainable energy applications: A comprehensive review","authors":"Sivaraman Chandrasekaran , Sreshtha Jadhav , S. Mari Selvam , Nageshwari Krishnamoorthy , Paramasivan Balasubramanian","doi":"10.1016/j.jece.2024.114553","DOIUrl":"10.1016/j.jece.2024.114553","url":null,"abstract":"<div><div>Biochar, a carbon-rich material derived from the pyrolysis or carbonization of biomass, has gained significant attention in recent years due to its versatile applications in the energy sector. As the focus on sustainable and renewable energy sources intensifies, biochar-based materials have emerged as promising candidates for various energy-related uses. This review aims to provide a comprehensive overview of the current state of the art and the sustainability of biochar-based materials for energy applications. It is essential to adopt a sustainability perspective when examining the state of the art, considering the environmental, economic, and social dimensions of biochar-based materials to ensure their long-term viability and alignment with sustainable development goals. By delving into the latest advancements, challenges, and opportunities, this review seeks to advance the adoption of biochar-based materials as sustainable solutions in the rapidly evolving energy landscape.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114553"},"PeriodicalIF":7.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142540262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-23DOI: 10.1016/j.jece.2024.114540
Qingxuan Yin , Shumin Wang , Haoyu Deng , Junyou Shi , Dan Zhang , Wenbiao Xu
Lignin, as the most abundant natural aromatic compound, holds immense potential for the production of fuels and fine chemicals, making it a focal point in green chemistry. The efficient depolymerization of lignin hinges on the discovery of catalysts that are not only efficient but also stable and recyclable. Understanding the structure-function relationships and mechanisms governing lignin-catalyst depolymerization is paramount for its effective valorization. Polyoxometalates (POMs) have emerged as promising candidates due to their versatile structural composition and design flexibility. In this review, we explore the utilization of POMs in various methods of lignin transformation, encompassing oxidative catalysis, reduction catalysis, and photocatalysis. By summarizing these approaches, we aim to elucidate the current trends and challenges in the depolymerization of lignin using POMs.
{"title":"The depolymerization of lignin over polyoxometalate catalysis: A review","authors":"Qingxuan Yin , Shumin Wang , Haoyu Deng , Junyou Shi , Dan Zhang , Wenbiao Xu","doi":"10.1016/j.jece.2024.114540","DOIUrl":"10.1016/j.jece.2024.114540","url":null,"abstract":"<div><div>Lignin, as the most abundant natural aromatic compound, holds immense potential for the production of fuels and fine chemicals, making it a focal point in green chemistry. The efficient depolymerization of lignin hinges on the discovery of catalysts that are not only efficient but also stable and recyclable. Understanding the structure-function relationships and mechanisms governing lignin-catalyst depolymerization is paramount for its effective valorization. Polyoxometalates (POMs) have emerged as promising candidates due to their versatile structural composition and design flexibility. In this review, we explore the utilization of POMs in various methods of lignin transformation, encompassing oxidative catalysis, reduction catalysis, and photocatalysis. By summarizing these approaches, we aim to elucidate the current trends and challenges in the depolymerization of lignin using POMs.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114540"},"PeriodicalIF":7.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-23DOI: 10.1016/j.jece.2024.114552
Junming Li , Kai Lu , Zhiqing Zhang , Hui Liu , Dongmei Li , Dongli Tan
With the rapid development of world industry, the adverse impact of steel corrosion on environmental resources and economic development cannot be underestimated. Oxygen corrosion and hydrogen evolution corrosion are two important reactions in steel. To effectively prevent corrosion of steel, many catalytic materials have been developed. In particular, some nickel-based materials, because of their controllable structure, excellent performance, low carbon environmental protection and other advantages, can well enhance the corrosion resistance of steel. This paper first summarizes the concept, basic reaction mechanisms, and influencing factors of steel corrosion. Then, this paper mainly reviews the latest progress in the research of various nickel-based catalysts. Particular attention is paid to the preparation strategies, catalytic properties and deactivation mechanisms of these catalysts, as well as the methods used to improve performance. Finally, the current challenges and future development directions of high activity and durability electrocatalysts are presented.
{"title":"Overview of the impact of nickel-based catalyst on corrosion mechanism for steel","authors":"Junming Li , Kai Lu , Zhiqing Zhang , Hui Liu , Dongmei Li , Dongli Tan","doi":"10.1016/j.jece.2024.114552","DOIUrl":"10.1016/j.jece.2024.114552","url":null,"abstract":"<div><div>With the rapid development of world industry, the adverse impact of steel corrosion on environmental resources and economic development cannot be underestimated. Oxygen corrosion and hydrogen evolution corrosion are two important reactions in steel. To effectively prevent corrosion of steel, many catalytic materials have been developed. In particular, some nickel-based materials, because of their controllable structure, excellent performance, low carbon environmental protection and other advantages, can well enhance the corrosion resistance of steel. This paper first summarizes the concept, basic reaction mechanisms, and influencing factors of steel corrosion. Then, this paper mainly reviews the latest progress in the research of various nickel-based catalysts. Particular attention is paid to the preparation strategies, catalytic properties and deactivation mechanisms of these catalysts, as well as the methods used to improve performance. Finally, the current challenges and future development directions of high activity and durability electrocatalysts are presented.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114552"},"PeriodicalIF":7.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-23DOI: 10.1016/j.jece.2024.114554
Maonan Ran, Guan Zhang
Electrocatalytic reduction of nitrate (NO3−RR) to ammonia can convert pollutant NO3− into value−added product ammonia, making it a meaningful technology for recycling of nitrogen element from wastewater. This review article analyzes the feasible industrial process of NO3−RR, followed by a summary of the NO3−RR mechanisms. Two important concerns in NO3−RR to ammonia: whether to consider environmental ammonia pollution and the economic viability of the process, have been addressed. A statistical analysis of relevant catalysts reported since 2020 has been conducted. The strategies for rational design of highly active catalysts of NO3−RR to ammonia are respectively discussed, including the exploration of metal elements with nature of high activity and NH3 selectivity, regulation of NO3−RR intermediates and H atom adsorption strength, increasing of active sites, and efficient screening of catalysts using descriptors. The review article concludes by outlining future prospects and challenges of NO3−RR to ammonia.
{"title":"Electrocatalytic reduction of nitrate for ammonia production – Rational design of highly active catalysts","authors":"Maonan Ran, Guan Zhang","doi":"10.1016/j.jece.2024.114554","DOIUrl":"10.1016/j.jece.2024.114554","url":null,"abstract":"<div><div>Electrocatalytic reduction of nitrate (NO<sub>3</sub><sup>−</sup>RR) to ammonia can convert pollutant NO<sub>3</sub><sup>−</sup> into value−added product ammonia, making it a meaningful technology for recycling of nitrogen element from wastewater. This review article analyzes the feasible industrial process of NO<sub>3</sub><sup>−</sup>RR, followed by a summary of the NO<sub>3</sub><sup>−</sup>RR mechanisms. Two important concerns in NO<sub>3</sub><sup>−</sup>RR to ammonia: whether to consider environmental ammonia pollution and the economic viability of the process, have been addressed. A statistical analysis of relevant catalysts reported since 2020 has been conducted. The strategies for rational design of highly active catalysts of NO<sub>3</sub><sup>−</sup>RR to ammonia are respectively discussed, including the exploration of metal elements with nature of high activity and NH<sub>3</sub> selectivity, regulation of NO<sub>3</sub><sup>−</sup>RR intermediates and H atom adsorption strength, increasing of active sites, and efficient screening of catalysts using descriptors. The review article concludes by outlining future prospects and challenges of NO<sub>3</sub><sup>−</sup>RR to ammonia.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114554"},"PeriodicalIF":7.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-23DOI: 10.1016/j.jece.2024.114548
Babar Ali , Muhammad Tahir Arslan , Ijaz Hussain , Yahuza Nantomah Abdulai , Khalid Alhooshani , Saheed Adewale Ganiyu
In recent decades, the substantial rise in atmospheric carbon dioxide (CO2) levels has raised significant environmental concerns, such as global warming and ocean acidification. As a result, reducing carbon emissions and the interest in carbon neutrality have emerged as vital global goals to protect the environment and society. The hydrogenation of CO2 to produce BTX (benzene, toluene, xylene), particularly p-xylene (PX), provides a sustainable pathway for CO2 transformation toward valuable chemical feedstocks. This review presents an overview of the thermodynamics and reaction mechanisms involved in CO2 hydrogenation to BTX and PX, revealing the key factors influencing product selectivity. The effects of catalyst modification methods, including silylation, silicalite encapsulation, core-shell structures, and metal modification, on the selectivity and activity of catalyst are discussed. Factors such as zeolite morphology, catalyst size, contact time, mesoporosity, acidity, and surface alkylation/methylation are analyzed for their effects on BTX and PX selectivity. Lastly, the paper outlines the current challenges and future perspectives in advancing CO2 hydrogenation towards the production of BTX and PX, highlighting opportunities for further research and technological advancements in this area.
{"title":"Catalytic strategies for CO2 hydrogenation to BTX and p-xylene: A sustainable approach towards carbon neutrality","authors":"Babar Ali , Muhammad Tahir Arslan , Ijaz Hussain , Yahuza Nantomah Abdulai , Khalid Alhooshani , Saheed Adewale Ganiyu","doi":"10.1016/j.jece.2024.114548","DOIUrl":"10.1016/j.jece.2024.114548","url":null,"abstract":"<div><div>In recent decades, the substantial rise in atmospheric carbon dioxide (CO<sub>2</sub>) levels has raised significant environmental concerns, such as global warming and ocean acidification. As a result, reducing carbon emissions and the interest in carbon neutrality have emerged as vital global goals to protect the environment and society. The hydrogenation of CO<sub>2</sub> to produce BTX (benzene, toluene, xylene), particularly p-xylene (PX), provides a sustainable pathway for CO<sub>2</sub> transformation toward valuable chemical feedstocks. This review presents an overview of the thermodynamics and reaction mechanisms involved in CO<sub>2</sub> hydrogenation to BTX and PX, revealing the key factors influencing product selectivity. The effects of catalyst modification methods, including silylation, silicalite encapsulation, core-shell structures, and metal modification, on the selectivity and activity of catalyst are discussed. Factors such as zeolite morphology, catalyst size, contact time, mesoporosity, acidity, and surface alkylation/methylation are analyzed for their effects on BTX and PX selectivity. Lastly, the paper outlines the current challenges and future perspectives in advancing CO<sub>2</sub> hydrogenation towards the production of BTX and PX, highlighting opportunities for further research and technological advancements in this area.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114548"},"PeriodicalIF":7.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-22DOI: 10.1016/j.jece.2024.114538
Md. Abu Taleb , Rajeev Kumar , N.F. Abdelbaky , M.A. Barakat
The pharmaceuticals including antibiotics, analgesics, antidepressants, and hormones, etc. are produced in large quantities and subsequently discharged into the environment. Such toxicants are found in aquatic systems and can seriously ruin the water quality subsequently affecting human health and other components in the ecosystem. Aerogels are light weight porous materials that are potentially alternative of powdered nanomaterials for wastewater treatment. The aerogel-based adsorbents have found excellent properties including low density, highly stable, reusable, and easy to separate from solution. This review summaries the synthesis, and tailoring strategies of various types of aerogels for drug adsorption. The adsorption mechanisms and parameters affecting the adsorption of pharmaceuticals onto aerogels have been discussed. Freeze-drying (FD) is the most investigated method compared to supercritical drying because of its low energy consumption and consequent benefits to the environment. The aerogels based on a single material demonstrated a lower adsorption rate than the customized multifunctional hybrid aerogels. The adsorption efficiency of aerogels can be increased by chemical modifications including amination, carboxylation, and sulfonating. This review also explored the mechanistic insight of different drug adsorption onto various aerogels. Hydrogen bonding, electrostatic interaction, π-π stacking, and hydrophobic interactions, etc. are primary forces involved in the drug molecules' adsorption onto aerogels. The literature demonstrated that aerogel materials can be reused for several adsorption-desorption cycles. Furthermore, the sustainability footprint approach was utilized to assess the sustainability of nano-structured aerogels in comparison to alternative materials used for water purification.
{"title":"Nanostructured aerogels for adsorptive removal of pharmaceutical pollutants from wastewater: A review on synthesis and application","authors":"Md. Abu Taleb , Rajeev Kumar , N.F. Abdelbaky , M.A. Barakat","doi":"10.1016/j.jece.2024.114538","DOIUrl":"10.1016/j.jece.2024.114538","url":null,"abstract":"<div><div>The pharmaceuticals including antibiotics, analgesics, antidepressants, and hormones, etc. are produced in large quantities and subsequently discharged into the environment. Such toxicants are found in aquatic systems and can seriously ruin the water quality subsequently affecting human health and other components in the ecosystem. Aerogels are light weight porous materials that are potentially alternative of powdered nanomaterials for wastewater treatment. The aerogel-based adsorbents have found excellent properties including low density, highly stable, reusable, and easy to separate from solution. This review summaries the synthesis, and tailoring strategies of various types of aerogels for drug adsorption. The adsorption mechanisms and parameters affecting the adsorption of pharmaceuticals onto aerogels have been discussed. Freeze-drying (FD) is the most investigated method compared to supercritical drying because of its low energy consumption and consequent benefits to the environment. The aerogels based on a single material demonstrated a lower adsorption rate than the customized multifunctional hybrid aerogels. The adsorption efficiency of aerogels can be increased by chemical modifications including amination, carboxylation, and sulfonating. This review also explored the mechanistic insight of different drug adsorption onto various aerogels. Hydrogen bonding, electrostatic interaction, π-π stacking, and hydrophobic interactions, etc. are primary forces involved in the drug molecules' adsorption onto aerogels. The literature demonstrated that aerogel materials can be reused for several adsorption-desorption cycles. Furthermore, the sustainability footprint approach was utilized to assess the sustainability of nano-structured aerogels in comparison to alternative materials used for water purification.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114538"},"PeriodicalIF":7.4,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142553879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The Hydrogen peroxide (H2O2) gained attention as a versatile mild oxidizing agent, finding extensive uses in several activities such as bleaching, wastewater treatment, medical applications, and chemical transformations. Besides this, it is also prominently considered as a potential candidate for new liquid fuel therefore, its production is garnering attention of scientific fraternity. However, the conventional method of producing H2O2 through anthraquinone oxidation is often viewed as inefficient and less environmentally friendly, as it is high energy process and generates a lot of harmful organic waste products. This review article highlights recent advancements in metal-free photocatalytic systems for sustainable production of H2O2. Over the last decade, significant advancement has been made in developing ecological benign protocols for the synthesis of H2O2 to meet UN Sustainable Development Goals (SDGs). This comprehensive review showcases key findings and refinements in metal-free light-mediated H2O2 production, offering promising strategies to acquire SDGs via more eco-friendly and cost-effective approach, utilizing only H2O and gaseous O2 as primary inputs and harnessing solar energy as its sustainable energy source. Nevertheless, practical applications of photocatalytic H2O2 production continue to face challenges such as high electron-hole (e--h+) pair recombination rates, limited utilization of visible light, and suboptimal product selectivity. While progress has been achieved in improving the photocatalytic activity for generating H2O2, it remains primarily within the realm of laboratory research due to its currently unsatisfactory productivity levels. Given the significance of H2O2, we have also considered the prevailing hurdles and potential breakthroughs in photocatalytic production. The review is wrapped up with a concise summary and visionary viewpoint on the potential forthcoming developments in this burgeoning research domain.
{"title":"Photocatalysis without borders: Charting progress in metal-free hydrogen peroxide synthesis","authors":"Kapil Mohan Saini , Kanika Solanki , Bhawna Kaushik , Pooja Rana","doi":"10.1016/j.jece.2024.114425","DOIUrl":"10.1016/j.jece.2024.114425","url":null,"abstract":"<div><div>The Hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) gained attention as a versatile mild oxidizing agent, finding extensive uses in several activities such as bleaching, wastewater treatment, medical applications, and chemical transformations. Besides this, it is also prominently considered as a potential candidate for new liquid fuel therefore, its production is garnering attention of scientific fraternity. However, the conventional method of producing H<sub>2</sub>O<sub>2</sub> through anthraquinone oxidation is often viewed as inefficient and less environmentally friendly, as it is high energy process and generates a lot of harmful organic waste products. This review article highlights recent advancements in metal-free photocatalytic systems for sustainable production of H<sub>2</sub>O<sub>2</sub>. Over the last decade, significant advancement has been made in developing ecological benign protocols for the synthesis of H<sub>2</sub>O<sub>2</sub> to meet UN Sustainable Development Goals (SDGs). This comprehensive review showcases key findings and refinements in metal-free light-mediated H<sub>2</sub>O<sub>2</sub> production, offering promising strategies to acquire SDGs <em>via</em> more eco-friendly and cost-effective approach, utilizing only H<sub>2</sub>O and gaseous O<sub>2</sub> as primary inputs and harnessing solar energy as its sustainable energy source. Nevertheless, practical applications of photocatalytic H<sub>2</sub>O<sub>2</sub> production continue to face challenges such as high electron-hole (e<sup>-</sup>-h<sup>+</sup>) pair recombination rates, limited utilization of visible light, and suboptimal product selectivity. While progress has been achieved in improving the photocatalytic activity for generating H<sub>2</sub>O<sub>2</sub>, it remains primarily within the realm of laboratory research due to its currently unsatisfactory productivity levels. Given the significance of H<sub>2</sub>O<sub>2</sub>, we have also considered the prevailing hurdles and potential breakthroughs in photocatalytic production. The review is wrapped up with a concise summary and visionary viewpoint on the potential forthcoming developments in this burgeoning research domain.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114425"},"PeriodicalIF":7.4,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-18DOI: 10.1016/j.jece.2024.114497
Yaohui Xu , Yang Zhou , Yuting Li , Yitao Liu , Zhao Ding
The transition to a hydrogen-based economy is significantly hindered by the challenge of efficient and safe hydrogen storage. This comprehensive review critically examines the frontier of carbon-based materials for hydrogen storage, spanning from conventional forms to cutting-edge nanoarchitectures. We elucidate the intricate relationships between synthesis methods, material properties, and hydrogen storage performance through advanced characterization techniques and mechanistic studies. The review spotlights innovative modification strategies, including heteroatom doping, hierarchical structuring, and composite formation, which push the boundaries of storage capacity and kinetics. By synthesizing insights from materials science, physical chemistry, and engineering, we provide a roadmap for overcoming current limitations in carbon-based hydrogen storage materials. The potential applications across transportation, stationary power, and portable electronics are evaluated, contextualizing carbon-based storage within the broader clean energy landscape. This analysis offers a forward-looking perspective on research directions poised to yield transformative breakthroughs, accelerating the realization of practical carbon-based hydrogen storage solutions for a sustainable energy future.
{"title":"Advanced Carbon Architectures for Hydrogen Storage: From Synthesis to Performance Enhancement","authors":"Yaohui Xu , Yang Zhou , Yuting Li , Yitao Liu , Zhao Ding","doi":"10.1016/j.jece.2024.114497","DOIUrl":"10.1016/j.jece.2024.114497","url":null,"abstract":"<div><div>The transition to a hydrogen-based economy is significantly hindered by the challenge of efficient and safe hydrogen storage. This comprehensive review critically examines the frontier of carbon-based materials for hydrogen storage, spanning from conventional forms to cutting-edge nanoarchitectures. We elucidate the intricate relationships between synthesis methods, material properties, and hydrogen storage performance through advanced characterization techniques and mechanistic studies. The review spotlights innovative modification strategies, including heteroatom doping, hierarchical structuring, and composite formation, which push the boundaries of storage capacity and kinetics. By synthesizing insights from materials science, physical chemistry, and engineering, we provide a roadmap for overcoming current limitations in carbon-based hydrogen storage materials. The potential applications across transportation, stationary power, and portable electronics are evaluated, contextualizing carbon-based storage within the broader clean energy landscape. This analysis offers a forward-looking perspective on research directions poised to yield transformative breakthroughs, accelerating the realization of practical carbon-based hydrogen storage solutions for a sustainable energy future.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114497"},"PeriodicalIF":7.4,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hydrogen is increasingly being considered a green energy source of the future, and there is wide-ranging research in various industries to implement green hydrogen production in different ways. Hydrogen can be produced by an electrolysis process involving a photocatalyst, but there is a need for more technical breakthroughs as well as the identification of a stable and active catalyst. Two-dimensional (2D) MXenes hold potential for commercial-scale expansion due to their excellent inherent physical and chemical properties and their structural flexibility. MXene base composites for hydrogen generation reactions have several advantages. One of the several factors for these is that the increase in the number of chemically active reaction sites is high because the specific surface area is increased. The high catalytic activities are directly related to the high amount of hydrogen produced due to superior optical properties. The present work aims to contribute to the design of a future promising catalyst by comprehensively summarizing and discussing the current state of synthesis methods, characterization and hydrogen generation methods based on the use of electrical catalysts and photocatalysts for the HER as well as the active characteristics of electrons. This review will describe current MXenes in terms of three categories: the method used to prepare the composites, the characterization of the composites for the HER performance, and the method of hydrogen production.
氢越来越被视为未来的绿色能源，各行各业都在广泛研究以不同方式实现绿色制氢。氢可以通过涉及光催化剂的电解过程产生，但还需要更多的技术突破，以及确定一种稳定而活跃的催化剂。二维（2D）二氧杂环烯因其优异的固有物理和化学特性及其结构灵活性，具有扩大商业规模的潜力。用于制氢反应的 MXene 基复合材料具有多种优势。其中一个因素是，由于比表面积增加，化学活性反应位点的数量也随之增加。催化活性高与光学性能优越而产生的氢量高直接相关。本研究旨在通过全面总结和讨论基于使用 HER 的电催化剂和光催化剂的合成方法、表征和制氢方法的现状以及电子的活性特征，为设计未来有前途的催化剂做出贡献。本综述将从三方面描述当前的 MXenes：制备复合材料的方法、复合材料 HER 性能的表征以及制氢方法。
{"title":"A review for MXene-based hybrid nanocomposites toward electro-/photocatalytic hydrogen evolution reactions","authors":"Latiful Kabir , Karna Wijaya , Jianjun Li , Junjuda Unruangsri , Won-Chun Oh","doi":"10.1016/j.jece.2024.114483","DOIUrl":"10.1016/j.jece.2024.114483","url":null,"abstract":"<div><div>Hydrogen is increasingly being considered a green energy source of the future, and there is wide-ranging research in various industries to implement green hydrogen production in different ways. Hydrogen can be produced by an electrolysis process involving a photocatalyst, but there is a need for more technical breakthroughs as well as the identification of a stable and active catalyst. Two-dimensional (2D) MXenes hold potential for commercial-scale expansion due to their excellent inherent physical and chemical properties and their structural flexibility. MXene base composites for hydrogen generation reactions have several advantages. One of the several factors for these is that the increase in the number of chemically active reaction sites is high because the specific surface area is increased. The high catalytic activities are directly related to the high amount of hydrogen produced due to superior optical properties. The present work aims to contribute to the design of a future promising catalyst by comprehensively summarizing and discussing the current state of synthesis methods, characterization and hydrogen generation methods based on the use of electrical catalysts and photocatalysts for the HER as well as the active characteristics of electrons. This review will describe current MXenes in terms of three categories: the method used to prepare the composites, the characterization of the composites for the HER performance, and the method of hydrogen production.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114483"},"PeriodicalIF":7.4,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sugarcane processing industries produce environmentally hazardous by-products in addition to desired production, and disposing of these by-products is a considerable problem. Developing a viable system for sustainable management of agro-industrial waste is imperative. Efficient and cost-effective technologies for turning biowaste into value-added products, as well as an assessment of soil quality and productivity, are needed in this approach. The biomass of agro-waste produced while sugarcane processing, sugarcane bagasse (SCB), is abundant worldwide. The abundance of this biomass in nature harnesses researchers to fulfill its various objectives, including energy and environmental sustainability. To scale this up for industrial applications, thorough research, scale-up studies, and evaluations of both techno-economic and ecological feasibility are critical. Sugarcane bagasse (SCB) is a biomass with great potential to help meet global energy needs, particularly in producing biofuels such as bioethanol and biogas, while contributing to environmental sustainability. Microorganisms, acting as bio-factories, are highly valuable due to their ability to produce various essential metabolites, including alcohols, enzymes, antibiotics, and other compounds. Fermenting SCB with microorganisms yields several industrially relevant enzymes, such as amylases, chitinases, and phytases, and demonstrates bioactive properties, including antioxidant, antimicrobial, anti-ageing, and anti-inflammatory effects. This review focuses on recovering value-added products from the SCB using various microbes, their short- and long-term impacts on the environment (air, water, and soil), living creatures, and their potential for sustainable bio-economy.
{"title":"Unravelling the potential of sugarcane bagasse: An eco-friendly and inexpensive agro-industrial waste for the production of valuable products using pretreatment processes for sustainable bio-economy","authors":"Ajay Kamboj , Pardeep Kumar Sadh , Babli Yadav , Annu Kumari , Ravinder Kumar , Surekha , Baljeet Singh Saharan , Basanti Brar , Dharmender Kumar , Chhaya Goyal , Joginder Singh Duhan","doi":"10.1016/j.jece.2024.114461","DOIUrl":"10.1016/j.jece.2024.114461","url":null,"abstract":"<div><div>Sugarcane processing industries produce environmentally hazardous by-products in addition to desired production, and disposing of these by-products is a considerable problem. Developing a viable system for sustainable management of agro-industrial waste is imperative. Efficient and cost-effective technologies for turning biowaste into value-added products, as well as an assessment of soil quality and productivity, are needed in this approach. The biomass of agro-waste produced while sugarcane processing, sugarcane bagasse (SCB), is abundant worldwide. The abundance of this biomass in nature harnesses researchers to fulfill its various objectives, including energy and environmental sustainability. To scale this up for industrial applications, thorough research, scale-up studies, and evaluations of both techno-economic and ecological feasibility are critical. Sugarcane bagasse (SCB) is a biomass with great potential to help meet global energy needs, particularly in producing biofuels such as bioethanol and biogas, while contributing to environmental sustainability. Microorganisms, acting as bio-factories, are highly valuable due to their ability to produce various essential metabolites, including alcohols, enzymes, antibiotics, and other compounds. Fermenting SCB with microorganisms yields several industrially relevant enzymes, such as amylases, chitinases, and phytases, and demonstrates bioactive properties, including antioxidant, antimicrobial, anti-ageing, and anti-inflammatory effects. This review focuses on recovering value-added products from the SCB using various microbes, their short- and long-term impacts on the environment (air, water, and soil), living creatures, and their potential for sustainable bio-economy.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"12 6","pages":"Article 114461"},"PeriodicalIF":7.4,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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