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Solar energy–based sonophotocatalysis for intensified wastewater treatment
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-05-13 DOI: 10.1016/j.coche.2025.101145
Manisha V Bagal , Parag R Gogate
Sonophotocatalysis has gained attention recently for the effective treatment of wastewater, mainly based on the expected synergy from sonication and photocatalysis. The current work focuses on the guidelines related to the mechanisms for synergy, optimization of operating parameters, and reactor designs. The influence of operational parameters, including pH (acidic or alkaline conditions), pollutant concentration, catalyst loading, temperature, and irradiation duration, on degradation extent has been explained. In addition, the effect of reactor characteristics such as ultrasonic frequency and power has been discussed. A significantly higher synergistic pollutant removal has indeed been observed in sonophotocatalysis compared to conventional treatment methods. The incorporation of various doping materials and catalyst supports further enhances degradation efficiency. The expected advancement underscores the potential of sonophotocatalysis as a promising wastewater treatment technology, particularly for the effective elimination of recalcitrant organic contaminants. The review also presents the challenges of the current process and offers recommendations for its future expansion.
声波光催化技术是近年来备受关注的一种有效的废水处理方法,主要是基于预期的声波和光催化的协同作用。目前的工作重点是与协同机制、操作参数优化和反应堆设计相关的指导方针。说明了操作参数,包括pH值(酸性或碱性条件)、污染物浓度、催化剂负载、温度和照射时间对降解程度的影响。此外,还讨论了超声频率和功率等反应器特性对反应性能的影响。与传统的处理方法相比,在声光催化中确实观察到明显更高的协同污染物去除。各种掺杂材料和催化剂载体的掺入进一步提高了降解效率。预期的进展强调了声光催化作为一种有前途的废水处理技术的潜力,特别是在有效消除顽固性有机污染物方面。审查还提出了当前进程的挑战,并就今后扩大进程提出了建议。
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引用次数: 0
Editorial overview: Advanced reduction processes for environmental applications 编辑概述:环境应用的先进还原工艺
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-05-12 DOI: 10.1016/j.coche.2025.101138
Irene Carra, Yang Deng, Hadas Mamane
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引用次数: 0
Intensified cavitation process for the pretreatment of microalgae: a mini review 强化空化工艺预处理微藻的研究进展
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-05-06 DOI: 10.1016/j.coche.2025.101142
Husain A Sumeru , Fajriana S Nurrusyda , Nova Rachmadona , Kuan Shiong Khoo , Pau Loke Show
Advancement of microalgae pretreatment is shifting toward scalable and cost-effective methodologies to exploit the composition of microalgae biomass. The phenomenon of cavitation demonstrates its potential in industrial processes and is now being harnessed as a pretreatment strategy in microalgae biorefinery. Cavitation techniques through ultrasonication and hydrodynamic cavitation have proven its potential at generating cavities whose implosions create shear stress capable of disrupting microalgae cell walls that increase the yield of bioactive compounds in microalgae biomass. Although this technology shows promising results in the bioprocess of microalgae biomass, the leap to commercialization is fraught with the cost-intensive process. Intensive processes involving optimizing energy efficiency, controlled cavitation, scaling-up technology, and ensuring high quality of extracted compounds remain key areas for further research. Resolving these issues is vital for integrating cavitation into microalgae biorefinery and unlocking various bioproduct development. This review aims to offer insight into the practical application of cavitation in microalgae biomass valorization. As research advances, the potential of cavitation applications will determine its viability as a sustainable industry-standard process.
微藻预处理的进展正在转向可扩展和经济有效的方法来开发微藻生物量的组成。空化现象显示了其在工业过程中的潜力,目前正在微藻生物炼制中作为预处理策略加以利用。超声空化技术和流体动力空化技术已经证明了其产生空腔的潜力,这些空腔的内爆产生剪切应力,能够破坏微藻细胞壁,从而增加微藻生物量中生物活性化合物的产量。虽然这项技术在微藻生物质的生物过程中显示出有希望的结果,但向商业化的飞跃充满了成本密集型的过程。包括优化能源效率、控制空化、扩大技术规模和确保提取化合物的高质量在内的密集过程仍然是进一步研究的关键领域。解决这些问题对于将空化技术融入微藻生物炼制中,解锁各种生物产品的开发至关重要。本文综述了空化技术在微藻生物量增值中的实际应用。随着研究的进展,空化应用的潜力将决定其作为可持续工业标准工艺的可行性。
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引用次数: 0
Advances in calculation of kinetic parameters in free-radical polymerization by data-driven methods 数据驱动法计算自由基聚合动力学参数的研究进展
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-05-03 DOI: 10.1016/j.coche.2025.101141
Yajuan Shi , Fangyou Yan , Jie Jin , Zheng-Hong Luo , Yin-Ning Zhou
Kinetic parameters of free-radical polymerization (FRP) are crucial for determining polymerization rate and polymer molecular properties. This opinion article presents various data-driven methods for the determination of kinetic parameters with several case studies based on quantitative structure–property relationships. Such methods allow accurately predict the influence of chemical structural information on kinetic parameters, aligning well with known scientific knowledge. On the long run, with the development of machine learning algorithms, kinetic parameters can be calculated more accurately and efficiently, which can not only deepen the understanding of polymerization kinetics but also help to design new reactants used in FRP.
自由基聚合动力学参数是决定聚合速率和聚合物分子性能的关键。这篇观点文章提出了各种数据驱动的方法来确定动力学参数,并基于定量结构-性质关系的几个案例研究。这种方法可以准确地预测化学结构信息对动力学参数的影响,与已知的科学知识很好地一致。从长远来看,随着机器学习算法的发展,可以更准确、更高效地计算动力学参数,这不仅可以加深对聚合动力学的理解,还有助于设计用于FRP的新反应物。
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引用次数: 0
Industrialization of hydrodynamic cavitation in plant resource extraction 水动力空化在植物资源提取中的产业化研究
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-05-02 DOI: 10.1016/j.coche.2025.101140
Francesco Meneguzzo, Federica Zabini
Substantial evidence has accumulated about the outstanding effectiveness and efficiency of controlled hydrodynamic cavitation (HC) processes for extracting plant resources, as well as its compliance with the principles of green extraction of natural products. A few applications, such as the manufacturing of certain vegetable beverages and beer, offer considerable potential for industrial applications. However, resistance to innovation and possibly the issue of capital costs needed to replace or integrate existing installations can represent important barriers. Further promising application fields concern the manufacturing of dry extracts rich in bioactive compounds from plant resources. However, water removal steps account for most of the energy consumption, thus as high as possible biomass concentration should be used, which sets the design and test of effective strategies to intensify cavitation as a research priority. This short review surveys the most recent studies and proposes practical recommendations toward the actual industrialization of HC processes.
大量的证据表明,控制流体动力空化(HC)工艺在提取植物资源方面具有突出的有效性和效率,并且符合天然产物绿色提取的原则。一些应用,如制造某些蔬菜饮料和啤酒,为工业应用提供了相当大的潜力。然而,对创新的抵制以及更换或整合现有设施所需的资本成本问题可能是重要的障碍。进一步有前景的应用领域是从植物资源中制造富含生物活性化合物的干提取物。然而,除水步骤占能源消耗的大部分,因此应使用尽可能高的生物质浓度,这使得设计和测试有效的策略来加强空化成为研究的重点。这篇简短的综述调查了最近的研究,并对HC工艺的实际工业化提出了切实可行的建议。
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引用次数: 0
Updates on tracking charge carriers in BiVO4- and CuWO4-based photoanodes BiVO4和cuwo4基光阳极电荷载流子跟踪研究进展
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-04-28 DOI: 10.1016/j.coche.2025.101139
Ivan Grigioni, Gayathri Chellasamy, Annalisa Polo, Elena Selli, Maria Vittoria Dozzi
Semiconductor ternary metal oxides (TMOs) are ideal candidates as photoanode materials for the water oxidation reaction. The dynamics of photogenerated charge carriers dictates the efficiency of photoelectrocatalytic (PEC) systems depending on both internal (inside the photoactive material) and surface (mainly due to reaction kinetics) key issues. This paper presents recent results attained with up-to-date characterization tools to decouple bulk and surface charge recombination in relation to the synthetic strategies implemented to address PEC efficiency losses in TMO photoanodes, with particular focus on BiVO4- and CuWO4-based materials. Key aspects and the perspectives in the field are finally highlighted.
半导体三元金属氧化物(TMOs)是水氧化反应的理想光阳极材料。光生载流子的动力学决定了光电催化(PEC)系统的效率,这取决于内部(光活性材料内部)和表面(主要是由于反应动力学)的关键问题。本文介绍了最新的表征工具所获得的最新结果,以解耦体积和表面电荷重组与合成策略的关系,以解决TMO光阳极的PEC效率损失,特别关注BiVO4和cuwo4基材料。最后强调了该领域的关键方面和前景。
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引用次数: 0
Editorial overview: Electrochemical energy conversion 编辑概述:电化学能量转换
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-04-26 DOI: 10.1016/j.coche.2025.101137
Marta Costa Figueiredo , Thijs de Groot , Antoni Forner-Cuenca
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引用次数: 0
Ultrasonic activation of persulfate for removal of aqueous pollutants: cavitational versus thermal mechanisms 超声活化过硫酸盐去除水中污染物:空化与热机制
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-04-23 DOI: 10.1016/j.coche.2025.101136
Jongbok Choi , Dukyoung Lee , Younggyu Son
Sulfate radicals have been extensively studied for application in advanced oxidation processes owing to their excellent oxidizing power and efficacy. Recently, ultrasound (US) technology has emerged as a promising method for activating persulfate (PS). This work provides a critical review of the removal efficiencies and pseudo-1st-order degradation rates in only-PS, only-US, and US/PS processes to clarify the ultrasonic activation mechanism in US/PS systems. Experimental data from 53 cases across 15 studies were analyzed, and synergistic effects were evaluated. In only-PS processes, significant activation below 40°C was rarely observed, with few exceptions. Although several researchers reported high synergistic effects in US/PS processes, most cases showed low or negligible synergistic effects. High synergistic effects were attributable to incomplete cooling systems, low pollutant concentrations, and high PS/pollutant ratios. Therefore, the ability of acoustic cavitation to activate PS without thermal activation induced by US attenuation below 40°C remains debatable.
硫酸盐自由基由于其优异的氧化能力和氧化效果,在高级氧化工艺中得到了广泛的应用研究。近年来,超声(US)技术已成为一种很有前途的活化过硫酸盐(PS)的方法。本文对纯PS、纯US和US/PS工艺的去除效率和伪一阶降解率进行了综述,以阐明US/PS系统的超声活化机制。分析了15项研究中53例病例的实验数据,并评估了协同效应。在仅ps过程中,很少观察到低于40°C的显著激活,只有少数例外。尽管一些研究人员报告了US/PS过程的高协同效应,但大多数病例显示低协同效应或可忽略不计。高协同效应可归因于不完整的冷却系统,低污染物浓度和高PS/污染物比。因此,声空化激活PS的能力在40°C以下没有US衰减引起的热激活仍然存在争议。
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引用次数: 0
Insights into the biodegradation and bioremediation of microplastics: mechanisms and analytical methods 洞察微塑料的生物降解和生物修复:机制和分析方法
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-04-21 DOI: 10.1016/j.coche.2025.101133
Kanika Dogra , Manish Kumar , Nancy Ornelas-Soto , Abrahan Mora , Dibyendu Sarkar , Rangabhashiyam Selvasembian , Kanchan Deoli Bahukhandi , Jürgen Mahlknecht
Microplastics (MPs) degrade through various abiotic processes (thermal, mechanical, hydrolytic, and photo-oxidative) and biotic processes involving microorganisms. This study investigates specific bacteria, fungi, and algae that contribute to MP biodegradation, focusing on species like Bacillus, Rhodococcus, and Pseudomonas, which produce enzymes such as PETase, laccases, and peroxidases to break down high- and low-density polyethylene. However, the biodegradation process varies based on environmental factors and the durability of plastics. There is an urgent need to use advanced methods to understand degradation and its byproducts. Microbial degradation holds promise for addressing MPs, but further research is needed to enhance efficiency and develop sustainable solutions.
微塑料(MPs)通过各种非生物过程(热、机械、水解和光氧化)和涉及微生物的生物过程降解。本研究调查了有助于MP生物降解的特定细菌、真菌和藻类,重点研究了芽孢杆菌、红球菌和假单胞菌等物种,它们能产生分解高密度和低密度聚乙烯的酶,如PETase、漆酶和过氧化物酶。然而,生物降解过程因环境因素和塑料的耐久性而异。迫切需要使用先进的方法来了解降解及其副产品。微生物降解有望解决MPs问题,但需要进一步的研究来提高效率并开发可持续的解决方案。
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引用次数: 0
Recent advances in ultrasound-assisted extraction of natural products using novel solvents: a mini-review 超声辅助提取天然产物新溶剂的最新进展:综述
IF 8 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-04-21 DOI: 10.1016/j.coche.2025.101132
Santosh Sethi, Virendra K Rathod
A key factor in the successful extraction of natural products is the choice of solvent and mass transfer tool, which directly affects the efficiency, yield, selectivity, and quality of the natural products. However, the limitations of traditional solvents and the growing demand for more sustainable and efficient processes have driven interest in novel solvents. This shift is further encouraged by strict environmental regulations aimed at reducing emissions and avoiding hazardous chemicals. Ultrasound-assisted extraction (UAE) has emerged as a promising technique, enhancing yields and preserving compound quality through the cavitation phenomenon. Recent advancements combine ultrasound with novel solvents, showcasing their synergistic potential to further intensify natural product extraction. This review highlights the comparative performance of UAE and novel solvents, offering insights into their roles and challenges in achieving high-efficiency extraction. These findings aim to guide researchers, educators, and industry professionals toward sustainable and innovative extraction methods that align with environmental and industrial goals.
天然产物萃取成功与否的关键因素是溶剂和传质工具的选择,它直接影响天然产物的萃取效率、得率、选择性和质量。然而,传统溶剂的局限性和对更可持续和高效工艺的日益增长的需求推动了对新型溶剂的兴趣。旨在减少排放和避免使用危险化学品的严格环境法规进一步鼓励了这种转变。超声辅助萃取(UAE)是一种很有前途的技术,它通过空化现象来提高收率和保持化合物质量。最近的进展将超声与新型溶剂相结合,展示了它们的协同潜力,进一步加强天然产物的提取。这篇综述强调了阿联酋和新型溶剂的比较性能,提供了他们在实现高效提取中的作用和挑战的见解。这些发现旨在指导研究人员、教育工作者和行业专业人士朝着符合环境和工业目标的可持续和创新的提取方法发展。
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引用次数: 0
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Current Opinion in Chemical Engineering
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