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Performance evaluation of single- and multi-effect evaporators for multi-pollutant removal and energy efficiency assessment in baker's yeast wastewater 单效和多效蒸发器对面包酵母废水多污染物去除的性能评价及能效评价
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2026-06-01 Epub Date: 2025-12-13 DOI: 10.1016/j.wri.2025.100338
Ali Dehnavi , Keivan Arastou , Hamed Kashani
Wastewater from the baker's yeast industry contains high concentrations of organic and inorganic pollutants, necessitating effective treatment to minimize environmental impact. This study examines the falling film evaporator (FFE) and forced circulation evaporator (FCE) as single-effect units, as well as their combined performance in a multi-effect evaporator (MEE). To evaluate the performance of these systems, concentration reduction (C-RE), pollution load reduction (PL-RE), and grey water footprint reduction (GWF-RE) metrics are applied. Additionally, a new energy-based indicator is introduced to measure energy consumption per unit of pollutant reduction (ECI-PL) and grey water footprint reduction (ECI-GWF), providing a broader perspective on treatment sustainability. Based on C-RE, FFE removes 98.9 % of total phosphorus (TP), 94.4 % of biochemical oxygen demand (BOD5), and 93.5 % of chemical oxygen demand (COD), while FCE achieves the highest total nitrogen (TN) reduction at 32.8 %. GWF-RE for TP is observed at 99.4 % in FFE, 91.5 % in FCE, and 94.2 % in MEE. Energy consumption analysis reveals that the ECI-PL for TP removal ranges from 297 to 2560 kWh/kg. Despite its high energy demand, this process effectively reduces pressure on receiving water bodies, preserving between 617 (FFE) and 631 m3 (MEE) of freshwater for every kg of TP removed. These findings demonstrate that advanced evaporator systems effectively reduce the ecological footprint of baker's yeast wastewater, enhancing environmental sustainability. The results show that FFE is the most efficient in pollutant removal while maintaining lower energy consumption; however, TN reduction remains limited in this system.
面包酵母工业的废水含有高浓度的有机和无机污染物,需要有效的处理以尽量减少对环境的影响。本研究考察了降膜蒸发器(FFE)和强制循环蒸发器(FCE)作为单效装置,以及它们在多效蒸发器(MEE)中的综合性能。为了评估这些系统的性能,采用了浓度降低(C-RE)、污染负荷减少(PL-RE)和灰水足迹减少(GWF-RE)指标。此外,还引入了一个新的基于能源的指标来衡量单位污染物减排能耗(ECI-PL)和减少灰水足迹(ECI-GWF),为治理的可持续性提供了更广阔的视角。基于C-RE, FFE去除98.9%的总磷(TP)、94.4%的生化需氧量(BOD5)和93.5%的化学需氧量(COD),而FCE的总氮(TN)的去除率最高,为32.8%。TP的GWF-RE在FFE中为99.4%,在FCE中为91.5%,在MEE中为94.2%。能耗分析表明,TP去除的ECI-PL范围为297 ~ 2560 kWh/kg。尽管能源需求很高,但这一过程有效地减少了接收水体的压力,每去除一公斤总磷,可保留617至631立方米的淡水。这些发现表明,先进的蒸发器系统有效地减少了面包酵母废水的生态足迹,提高了环境的可持续性。结果表明,FFE在保持较低能耗的同时,对污染物的去除效率最高;然而,在该系统中,TN的还原仍然有限。
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引用次数: 0
Phytotoxicity of landfill leachate after treatment – assessment using seed germination bioassays 垃圾渗滤液处理后的植物毒性——用种子萌发生物测定法评价
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2026-06-01 Epub Date: 2026-01-03 DOI: 10.1016/j.wri.2026.100341
Aleksandra Wdowczyk , Wojciech Rykała , Dominika Dąbrowska , Agata Szymańska-Pulikowska , Vahid Nourani
Landfill leachate (LL), generated primarily by rainwater seepage through waste layers, poses a significant environmental threat owing to its complex composition. LL assessment is typically based on physicochemical analyses, which may not be sufficient for drawing reliable conclusions. Comprehensive LL characterization is crucial for monitoring the environmental impact of leachate and assessing the effectiveness of the treatment. Therefore, this study aimed to assess the relationship between leachate toxicity to three plant species, Sinapis alba, Lepidium sativum, and Sorghum saccharatum, and its physicochemical properties. Furthermore, the polycyclic aromatic hydrocarbon (PAHs) removal efficiency from leachate was assessed. Systems without vegetation were more effective in removing PAHs than those with vegetation, achieving a concentration reduction exceeding 90 %. The difference in PAH removal between the unvegetated and vegetated systems with biochar was greater than 60 %. The longer retention time yielded the best results in leachate treatment, including a reduction of 3- and 4-ring PAHs by 57.71 % and 26.7 %, respectively, and a stimulating effect was demonstrated regardless of the system variant used. Our results indicated that raw LL inhibited plant growth and caused high phytotoxicity (Germination Index (GI) < 50 %) in all plant species analyzed. However, LL after treatment at 14-day HRT did not cause phytotoxic effects, as the GI in all cases exceeded 100 %. Clear differences in the sensitivity of individual plant species to LL were observed, with L. sativum being the most sensitive species under the majority of experimental conditions. These results provide additional reference data for risk assessment and leachate management.
堆填渗滤液主要由废物层的雨水渗透产生,其成分复杂,对环境构成严重威胁。LL评估通常基于物理化学分析,这可能不足以得出可靠的结论。全面的LL表征对于监测渗滤液的环境影响和评估处理效果至关重要。因此,本研究旨在评价渗滤液对三种植物Sinapis alba、Lepidium sativum和Sorghum saccharatum的毒性及其理化性质的关系。此外,还对渗滤液中多环芳烃(PAHs)的去除效果进行了评价。没有植被的系统比有植被的系统更有效地去除多环芳烃,其浓度降低幅度超过90%。无植被系统和有植被系统对多环芳烃的去除率差异大于60%。较长的滞留时间在渗滤液处理中产生了最好的效果,包括3环和4环多环芳烃分别减少了57.71%和26.7%,并且无论使用哪种系统变体都证明了刺激作用。我们的研究结果表明,在所有被分析的植物物种中,生的LL抑制了植物的生长,并产生了很高的植物毒性(萌发指数(GI) & 50%)。然而,14天HRT治疗后的LL没有引起植物毒性作用,因为所有病例的GI都超过100%。不同植物对LL的敏感性存在明显差异,在大多数实验条件下,L. sativum是最敏感的物种。这些结果为风险评估和渗滤液管理提供了额外的参考数据。
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引用次数: 0
Duckweed-based systems in the water-energy-food nexus: controlled environment agriculture (CEA) for industrial water reuse and nutrient recovery 水-能量-食物关系中的浮萍系统:用于工业水再利用和养分回收的受控环境农业
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2026-06-01 Epub Date: 2026-01-07 DOI: 10.1016/j.wri.2026.100343
Anna Jurga , Agnieszka Jugowicz , Monika Brandić Lipińska , Tomasz Rodziewicz , Bartosz Kaźmierczak
Duckweed (Lemnaceae) is gaining increasing attention as a multifunctional bioresource for wastewater treatment, nutrient recovery, food, feed, and bioenergy production, as well as for closed-loop life support systems. Its rapid growth, high nutrient uptake capacity, and aquatic growth habit make it particularly suitable for integration into controlled environment agriculture (CEA) systems within the water-energy-food nexus. This review synthesizes recent advances in indoor duckweed cultivation, focusing on laboratory- and pilot-scale systems with working volumes exceeding 1 L. The aim is to identify key biological and engineering factors governing system performance and to assess the feasibility of scaling duckweed-based CEA for industrial and municipal water reuse applications. Comparative analysis of reported studies shows that short-term laboratory experiments frequently overestimate long-term productivity, with relative growth rates declining as cultivation duration and system complexity increase. System performance is strongly influenced by hydraulic design, culture depth, mat density, harvesting strategy, nutrient dosing, microbiological control, and energy input, particularly for lighting and climate regulation. Pilot-scale studies demonstrate that stable operation and realistic productivity require integrated management of biological processes and engineering subsystems rather than optimization of single parameters. Major knowledge gaps remain in long-term nutrient management, microbial stability, standardized performance metrics, and techno-economic assessment. Overall, duckweed-based CEA represents a promising but still emerging technology for sustainable water reuse and biomass valorization. Progress toward practical deployment will depend on pilot-scale validation, improved process integration, and robust evaluation of economic and safety constraints, with additional insights emerging from space life-support research.
浮萍(Lemnaceae)作为一种多功能生物资源,在废水处理、养分回收、食品、饲料和生物能源生产以及闭环生命维持系统中越来越受到关注。它的快速生长,高营养吸收能力和水生生长习性使其特别适合与水-能量-食物关系中的受控环境农业(CEA)系统相结合。本文综述了室内浮萍栽培的最新进展,重点是实验室和中试规模的系统,其工作体积超过1l。目的是确定控制系统性能的关键生物和工程因素,并评估扩大浮萍为基础的CEA用于工业和城市水回用的可行性。对报告研究的比较分析表明,短期实验室试验经常高估长期生产力,随着栽培时间和系统复杂性的增加,相对增长率下降。系统性能受到水力设计、培养深度、垫密度、收获策略、营养物剂量、微生物控制和能量输入(特别是照明和气候调节)的强烈影响。中试规模的研究表明,稳定的运行和现实的生产力需要对生物过程和工程子系统进行综合管理,而不是对单个参数进行优化。主要的知识缺口仍然存在于长期营养管理、微生物稳定性、标准化绩效指标和技术经济评估方面。总的来说,以浮萍为基础的CEA代表了一种有前途但仍处于新兴阶段的可持续水再利用和生物质增值技术。实际部署的进展将取决于中试规模的验证、改进的过程集成、对经济和安全约束的可靠评估,以及来自空间生命支持研究的更多见解。
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引用次数: 0
Sustainable geothermal water treatment with ultrafiltration and reverse osmosis: a life cycle assessment perspective 采用超滤和反渗透的可持续地热水处理:生命周期评估视角
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2026-06-01 Epub Date: 2025-12-06 DOI: 10.1016/j.wri.2025.100337
Michał Kaczmarczyk , Barbara Tomaszewska , Nalan Kabay
Geothermal waters still represent an underutilised resource for freshwater production, yet in some cases their high mineralisation, variable temperature, and the presence of trace elements such as boron and arsenic pose significant operational and environmental challenges. Efficient treatment of these waters is essential to enable their safe reuse or discharge while maintaining the sustainability of geothermal operations. This study presents a Life Cycle Assessment (LCA) of a pilot-scale ultrafiltration–reverse osmosis (UF–RO) system dedicated to geothermal water treatment. Environmental impacts of construction, operation, and end-of-life phases were evaluated using SimaPro 9.5.0.0 and the ReCiPe 2016 method. The novelty of this work lies in assessing a real UF–RO configuration for geothermal feedwater, thereby identifying system-specific environmental hotspots. Results show that material-related processes, particularly membrane production and disposal, dominate total impacts (≈80–85 %), followed by pump manufacture (10–15 %) and electricity use (<5 %). Improving material circularity and membrane lifespan offers the highest reduction potential.
地热水仍然是淡水生产中未充分利用的资源,但在某些情况下,地热水的高矿化、温度变化以及微量元素(如硼和砷)的存在构成了重大的运营和环境挑战。对这些水进行有效处理对于确保其安全再利用或排放,同时保持地热作业的可持续性至关重要。本研究介绍了用于地热水处理的中试超滤-反渗透(UF-RO)系统的生命周期评估(LCA)。使用SimaPro 9.5.0.0和ReCiPe 2016方法评估了建设、运营和生命周期结束阶段的环境影响。这项工作的新颖之处在于评估地热给水的真实UF-RO配置,从而确定系统特定的环境热点。结果表明,与材料相关的过程,特别是膜的生产和处理,在总影响中占主导地位(≈80 - 85%),其次是泵制造(10 - 15%)和电力使用(< 5%)。改善材料循环度和膜寿命提供了最大的减少潜力。
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引用次数: 0
Influence of the synthesis route of lithium adsorbent Li/Al LDHs on physicochemical properties and extraction properties 锂吸附剂Li/Al LDHs合成路线对其理化性质及萃取性能的影响
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2025-12-01 Epub Date: 2025-08-26 DOI: 10.1016/j.wri.2025.100317
Maël Ferrand , Yves Barré , Alban Gossard , Guillaume Munier-Gondiant , Eric de Vito , Hussam Aldoori , Clio Bosia , Agnès Grandjean
Lithium can be extracted from brines using a process commonly called Direct Lithium Extraction (DLE) using a lithium selective adsorbent as solid support. For that purpose, Li/Al layered double hydroxide (Li/Al LDH) are efficient materials for trapping Li+ in the vacant octahedral sites and chloride ions in their interlayer space. This article presents two distinct synthesis routes of Li/Al LDH materials, hydrothermal and coprecipitation, their characterizations and their Li extraction properties in synthetic brine. Indeed, the synthesis route impacts the physicochemical properties of the adsorbent and hence the Li+ extraction performances. A link between the structural and morphological properties of the adsorbents and the extraction properties was established. The material obtained by the coprecipitation method appears more effective for extracting lithium, as it is made up of grains of small particles with a greater pore volume and a larger exchange surface. This morphological property leads directly to a fast extraction kinetics, which is an essential point for a viable DLE process. This article also shows a close link between the LiCl content in the materials and the maximum achievable extraction capacity. The two active materials studied here have in fact the same maximum capacities due to an identical LiCl content in their crystalline structure, meaning that all sorption sites can be reached under optimal extraction conditions. It is therefore crucial to understand the influence of synthesis method on the extraction performance to optimize the process.
锂可以通过一种通常称为直接锂萃取(DLE)的方法从盐水中提取,这种方法使用锂选择性吸附剂作为固体载体。为此,Li/Al层状双氧根(Li/Al LDH)是捕获空八面体位置上Li+和层间空间氯离子的有效材料。本文介绍了水热法和共沉淀法两种不同的Li/Al LDH材料合成路线及其表征和在合成盐水中的Li萃取性能。事实上,合成路线会影响吸附剂的物理化学性质,从而影响Li+的提取性能。建立了吸附剂的结构和形态特性与萃取性能之间的联系。通过共沉淀法获得的材料更有效地提取锂,因为它是由小颗粒颗粒组成的,具有更大的孔隙体积和更大的交换面。这种形态特性直接导致了快速的萃取动力学,这是可行的DLE工艺的关键。本文还显示了材料中LiCl含量与最大可实现萃取能力之间的密切联系。由于晶体结构中LiCl含量相同,本文研究的两种活性材料实际上具有相同的最大容量,这意味着在最佳提取条件下可以达到所有吸附位点。因此,了解合成方法对提取性能的影响对优化工艺至关重要。
{"title":"Influence of the synthesis route of lithium adsorbent Li/Al LDHs on physicochemical properties and extraction properties","authors":"Maël Ferrand ,&nbsp;Yves Barré ,&nbsp;Alban Gossard ,&nbsp;Guillaume Munier-Gondiant ,&nbsp;Eric de Vito ,&nbsp;Hussam Aldoori ,&nbsp;Clio Bosia ,&nbsp;Agnès Grandjean","doi":"10.1016/j.wri.2025.100317","DOIUrl":"10.1016/j.wri.2025.100317","url":null,"abstract":"<div><div>Lithium can be extracted from brines using a process commonly called Direct Lithium Extraction (DLE) using a lithium selective adsorbent as solid support. For that purpose, Li/Al layered double hydroxide (Li/Al LDH) are efficient materials for trapping Li<sup>+</sup> in the vacant octahedral sites and chloride ions in their interlayer space. This article presents two distinct synthesis routes of Li/Al LDH materials, hydrothermal and coprecipitation, their characterizations and their Li extraction properties in synthetic brine. Indeed, the synthesis route impacts the physicochemical properties of the adsorbent and hence the Li<sup>+</sup> extraction performances. A link between the structural and morphological properties of the adsorbents and the extraction properties was established. The material obtained by the coprecipitation method appears more effective for extracting lithium, as it is made up of grains of small particles with a greater pore volume and a larger exchange surface. This morphological property leads directly to a fast extraction kinetics, which is an essential point for a viable DLE process. This article also shows a close link between the LiCl content in the materials and the maximum achievable extraction capacity. The two active materials studied here have in fact the same maximum capacities due to an identical LiCl content in their crystalline structure, meaning that all sorption sites can be reached under optimal extraction conditions. It is therefore crucial to understand the influence of synthesis method on the extraction performance to optimize the process.</div></div>","PeriodicalId":23714,"journal":{"name":"Water Resources and Industry","volume":"34 ","pages":"Article 100317"},"PeriodicalIF":7.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144908079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative performance of four membrane-based treatment strategies for wastewater from explosives production 四种膜基处理炸药生产废水的性能比较
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2025-12-01 Epub Date: 2025-09-25 DOI: 10.1016/j.wri.2025.100322
Gabriela Kamińska , Anna Marszałek , Ewa Puszczało , Grzegorz Michalski
This study evaluates the performance of various configurations that involve ultrafiltration (UF), nanofiltration (NF), reverse osmosis (RO), ion exchange (IonEx), and fixed-bed filtration (FBF) for the treatment of wastewater from explosive production. The experiments were performed on a laboratory-scale dead-end membrane setup and ion exchange and fixed-bed filtration units. The performance of four treatment configurations was evaluated based on physicochemical analyses (COD, TOC, Pb (II), Na, NO3 -N, pH, conductivity) and supported by membrane permeability monitoring and ecotoxicity tests with Vibrio fischeri and Lemna minor. The UF-NF-RO system demonstrated significant removal of pollutants, with COD, TOC, Pb(II), and Na reductions of 88.6 %, 63.3 %, 99.6 % and 91.1 %, respectively. However, despite of the high retention degrees, the effluent did not meet discharge standards. The UF-RO-RO configuration, which utilized a tighter UF membrane followed by two RO stages, achieved improved pollutant removal, but remained insufficient for regulatory compliance. The UF-RO-AnEx system showed high lead and sodium removal, but in the final effluent concentration of COD, TOC, and NO3–N were above the allowed limits. The most effective configuration, FBF-IonEx-RO, employed fixed-bed filtration with sand, halloysite clay, and activated carbon before ion exchange and RO. This approach resulted in the nearly complete removal of Pb (II) and NO3–N while significantly reducing COD and TOC concentrations, ultimately meeting discharge standards. Membrane permeability analysis revealed that scaling due to high conductivity had a greater impact on RO fouling than organic matter. Ecotoxicity tests using Lemna minor and Vibrio fischeri confirmed that the FBF-IonEx-RO configuration produced the least toxic effluent, demonstrating its potential as an effective wastewater treatment solution.
本研究评估了超滤(UF)、纳滤(NF)、反渗透(RO)、离子交换(IonEx)和固定床过滤(FBF)等不同配置处理爆炸生产废水的性能。实验在实验室规模的死端膜装置和离子交换和固定床过滤装置上进行。通过理化分析(COD、TOC、Pb (II)、Na、NO3 -N、pH、电导率),以及膜透性监测和费氏弧菌和小Lemna的生态毒性试验,评价了4种处理方案的性能。UF-NF-RO系统对污染物的去除效果显著,COD、TOC、Pb(II)和Na分别降低88.6%、63.3%、99.6%和91.1%。然而,尽管废水截留度很高,但仍未达到排放标准。UF-RO-RO配置采用了更紧密的超滤膜和两个反渗透级,实现了更好的污染物去除,但仍不符合法规要求。UF-RO-AnEx系统对铅和钠的去除率较高,但最终出水COD、TOC和NO3-N的浓度均高于允制值。最有效的配置是FBF-IonEx-RO,在离子交换和RO之前,使用砂、高岭土粘土和活性炭进行固定床过滤。该方法几乎完全去除了Pb (II)和NO3-N,同时显著降低了COD和TOC浓度,最终达到排放标准。膜透性分析表明,高导电性引起的结垢对反渗透污染的影响大于有机物。使用小莱姆纳和费氏弧菌进行的生态毒性测试证实,FBF-IonEx-RO配置产生的废水毒性最小,表明其作为一种有效的废水处理方案的潜力。
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引用次数: 0
Rice, wheat or dust? Water resource carrying capacity estimation by degrowth transition scenario for Fars Province, Iran 大米、小麦还是灰尘?伊朗法尔斯省退化过渡情景的水资源承载能力估算
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2025-12-01 Epub Date: 2025-09-13 DOI: 10.1016/j.wri.2025.100318
Somaieh Samimi , Faraham Ahmadzadeh , Mostafa Keshtkar , Romina Sayahnia
Agriculture remains the dominant consumer of freshwater globally, with projected increases in demand driven by irrigation expansion. In arid regions such as Iran, this intensifies competition among agriculture, industry, and ecosystems, exacerbating water stress—as evidenced by the desiccation of Tashk-Bakhtegan wetlands in Fars Province, a key source of dust storms affecting local communities. This study employs system dynamics modeling and the Water Resource Carrying Capacity (WRCC) framework to assess four degrowth scenarios focused on rice and wheat cultivation, evaluating their effects on water consumption and economic value-added. Results show that eliminating rice production and reducing wheat cultivation by 10 %, or converting 20 % of irrigated wheat to rainfed farming, yielded only marginal improvements in the Water Resource Carrying Capacity (WRCC) index. Reaching a sustainable WRCC demands at least a 25 % reduction in agricultural water withdrawals, with an associated 13 % decline in economic output. These findings highlight a nonlinear trade-off between environmental recovery and economic loss. By benchmarking extraction levels against ecological thresholds, this modeling framework promotes adaptive and equity-centered water governance in arid regions. It also provides strategic insight for long-term agricultural and industrial planning.
农业仍然是全球淡水的主要消费领域,预计需求将因灌溉扩大而增加。在伊朗等干旱地区,这加剧了农业、工业和生态系统之间的竞争,加剧了水资源压力——法尔斯省塔什克-巴赫特干湿地的干燥就是证明,这是影响当地社区的沙尘暴的主要来源。本研究采用系统动力学模型和水资源承载能力(WRCC)框架,评估了以水稻和小麦种植为重点的4种脱生长情景,评估了它们对用水量和经济增值的影响。结果表明,取消水稻生产并减少10%的小麦种植,或将20%的灌溉小麦转为雨养耕作,仅对水资源承载能力(WRCC)指数产生边际改善。达到可持续的WRCC要求至少减少25%的农业用水量,与此同时经济产出下降13%。这些发现强调了环境恢复和经济损失之间的非线性权衡。通过对生态阈值的提取水平进行基准测试,该模型框架促进了干旱地区适应性和以公平为中心的水治理。它还为长期农业和工业规划提供了战略见解。
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引用次数: 0
Minimization of freshwater usage in hydroponic cultivation by mixing it with desalinated geothermal water using membrane processes 通过膜处理将淡水与脱盐的地热水混合,使水培栽培中的淡水使用量最小化
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2025-12-01 Epub Date: 2025-10-14 DOI: 10.1016/j.wri.2025.100324
Barbara Tomaszewska , Magdalena Tyszer , Leszek Pająk , Aleksandra Kasztelewicz
Freshwater resources are becoming increasingly scarce due to climate change, population growth, and intensified agricultural demands, making searching for alternative water sources a pressing global issue. Research conducted using a geothermal water treatment system (a two-stage main treatment RO-RO system) identified the possibility of using treated geothermal water as a supplementary source of water resources for hydroponic cultivation. To achieve water parameters that meet the requirements for drinking water, and indicators determining the suitability of water for crop irrigation, the treatment process parameters were adjusted. It was shown that the use of the proposed system and mixing the permeate (treated geothermal water) with tap water in a 70/30 ratio enables the production of water with suitable parameters for hydroponic lettuce cultivation. The results of post-harvest analyses of lettuce leaves confirmed it. These findings demonstrate the potential for reducing freshwater consumption in hydroponic cultivation by using properly treated geothermal water.
由于气候变化、人口增长和农业需求的增加,淡水资源正变得越来越稀缺,寻找替代水源成为一个紧迫的全球问题。利用地热水处理系统(两阶段主处理RO-RO系统)进行的研究确定了将处理过的地热水作为水培栽培的补充水源的可能性。为了达到满足饮用水要求的水参数和确定作物灌溉用水适宜性的指标,对处理工艺参数进行了调整。结果表明,使用该系统并将渗透水(处理过的地热水)与自来水以70/30的比例混合,可以生产出适合水培生菜栽培的水。收获后对生菜叶的分析结果证实了这一点。这些发现表明,通过使用经过适当处理的地热水,可以减少水培栽培中的淡水消耗。
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引用次数: 0
Performance comparison of four polymeric ultrafiltration membranes for wool scouring effluent treatment 四种高分子超滤膜处理羊毛洗涤废水的性能比较
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2025-12-01 Epub Date: 2025-11-24 DOI: 10.1016/j.wri.2025.100333
Tuomas Sinisaari , Joona Nieminen , Ari Ora , Mika Mänttäri , Tiina Rissanen
The water footprint of wool scouring could be reduced with membrane filtration of scouring effluent, allowing recycling of purified washing water. This study compares the performance of four commercially available polymeric ultrafiltration membranes for scouring effluent treatment. In a cross-flow system, permeate flux decreased by 30–54 % after 120 min of filtration. Chemical oxygen demand, turbidity, and colour retentions ranged from 72 to 90 %, 98–99 %, and 80–93 %, respectively. After one week exposure to scouring effluent, degradation was observed in the regenerated cellulose membrane, in which the molecular weight cut-off increased from 3.5 to 8.2 kDa. Polysulphone and regenerated cellulose had the highest fluxes, but polysulphone was prone to fouling, whereas regenerated cellulose degraded, making composite fluoropolymer membrane a competitive alternative. The results offer guidance for membrane selection and contribute to establishing a foundation for membrane-based effluent recycling in commercial wool scouring facilities.
对洗涤出水进行膜过滤,可以减少羊毛洗涤的水足迹,使净化后的洗涤水循环使用。本研究比较了四种市售聚合物超滤膜处理冲洗废水的性能。在横流系统中,过滤120分钟后,渗透通量下降了30 - 54%。化学需氧量、浊度和颜色保留率分别为72 - 90%、98 - 99%和80 - 93%。在浸泡出水一周后,再生纤维素膜出现降解,其分子量下限从3.5 kDa增加到8.2 kDa。聚砜和再生纤维素的通量最高,但聚砜容易结垢,而再生纤维素降解,使复合含氟聚合物膜成为有竞争力的替代品。研究结果为膜的选择提供了指导,并为商业羊毛洗涤设施中膜基废水的循环利用奠定了基础。
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引用次数: 0
Removal notice to “Development of a methodology for identifying and quantifying mining environmental liabilities in aquatic ecosystems: A case study of Segovia, Colombia” [Water Resour. Ind. 34 (2025) 100307] 对“查明和量化水生生态系统中采矿环境责任的方法的发展:哥伦比亚塞戈维亚的案例研究”的删除通知[水资源]。第34(2025)100307号公告]
IF 7.5 3区 工程技术 Q1 WATER RESOURCES Pub Date : 2025-12-01 DOI: 10.1016/j.wri.2025.100334
Wilfredo Marimon-Bolívar , John Chavarro Diaz , Armando Sarmiento , Nathalie Toussaint Jimenez
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引用次数: 0
期刊
Water Resources and Industry
全部 Engineering Science and Technology, an International Journal Energy Environ. Environ. Prot. Eng. Ecol. Indic. Classical Quantum Gravity Conserv. Genet. Resour. Adv. Atmos. Sci. Espacio Tiempo y Forma. Serie VI, Geografía Appl. Geochem. J. Atmos. Chem. J. Hydrol. Big Earth Data essentia law Merchant Shipping Act 1995 2009 International Conference on Energy and Environment Technology Environmental Epigenetics Eurasian Physical Technical Journal 2011 VII Southern Conference on Programmable Logic (SPL) 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-BIO) Int. J. Astrobiol. Front. Phys. Exp. Mol. Pathol. J PHYS B-AT MOL OPT Environ. Technol. Innovation EUR PSYCHIAT "Laboratorio;" analisis clinicos, bacteriologia, inmunologia, parasitologia, hematologia, anatomia patologica, quimica clinica 2009 2nd International Conference on Biomedical Engineering and Informatics APL Photonics Ann. Glaciol. 2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Environmental Science: an Indian journal Contrib. Plasma Phys. Int. J. Earth Sci. [Sanfujinka chiryo] Obstetrical and gynecological therapy Environmental Toxicology & Water Quality ACTA DIABETOL J. Lumin. 2013 IEEE International Symposium on Hardware-Oriented Security and Trust (HOST) Nat. Rev. Phys. Nat. Hazards Earth Syst. Sci. 2006 1st IEEE International Conference on Nano/Micro Engineered and Molecular Systems Expert Rev. Neurother. J. Mol. Spectrosc. Exp. Parasitol. Opto-Electronic Advances Geophys. Prospect. Clean-Soil Air Water FACIAL PLAST SURG ENVIRONMENT 2009 4th International Microsystems, Packaging, Assembly and Circuits Technology Conference Low Temp. Phys. 2012 International Electron Devices Meeting ACTA NEUROL BELG Appl. Clay Sci. 2012 IEEE Silicon Nanoelectronics Workshop (SNW) 2007 Cleantech Conference and Trade Show Cleantech 2007 2013 IEEE International Solid-State Circuits Conference Digest of Technical Papers J. Afr. Earth. Sci. Communications Earth & Environment Geosci. Front. Environmental Control in Biology J APPL METEOROL CLIM Acta Acust. Am. J. Sci. 2007 IEEE Ultrasonics Symposium Proceedings Nucl. Phys. A Chin. J. Phys. 林学期刊(英文) Environmental Progress Nucl. Fusion ACTA DERM-VENEREOL EXPERT REV ANTICANC PHYSICA B Journal of Graph Algorithms and Applications PROD OPER MANAG 山西省考古学会论文集 Geostand. Geoanal. Res. [1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials Commun. Phys. Environ. Mol. Mutagen. ACTA CYTOL Chem. Ecol. Expert Rev. Mol. Diagn. ECOTOXICOLOGY 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) J STAT MECH-THEORY E CRIT REV ENV SCI TEC COMP BIOCHEM PHYS C High Energy Density Phys. Geochem. J. Environ. Geochem. Health 2010 4th International Conference on Bioinformatics and Biomedical Engineering Ecol. Monogr. ECOL RESTOR Environ. Eng. Manage. J. ACTA PETROL SIN Environ. Chem. ECOLOGY Geobiology 非金属矿 ENVIRON HEALTH-GLOB
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