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Polyphenol extraction from industrial water by-products: a case study of the ULTIMATE project in the fruit processing industry. 从工业水副产品中提取多酚:以水果加工业ULTIMATE项目为例。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-05 DOI: 10.2166/wst.2025.015
Christophoros Christophoridis, Myrto Touloupi, Erasmia A Bizani, Dimitri Iossifidis
{"title":"Polyphenol extraction from industrial water by-products: a case study of the ULTIMATE project in the fruit processing industry.","authors":"Christophoros Christophoridis, Myrto Touloupi, Erasmia A Bizani, Dimitri Iossifidis","doi":"10.2166/wst.2025.015","DOIUrl":"https://doi.org/10.2166/wst.2025.015","url":null,"abstract":"<p><p>This study investigates the sustainable management and utilization of water resources in the fruit processing industry, focusing on a case study from the EU-funded ULTIMATE project. Conducted in a juice factory in Nafplio, Greece, the primary objective is to explore the recovery of polyphenols from water by-product streams generated during orange juice production. The research aims to evaluate the effectiveness of a mobile wastewater treatment unit in selectively adsorbing polyphenols onto a polymeric resin. The following three extraction methods are compared: conventional solvent extraction, subcritical water extraction (SWE), and supercritical CO<sub>2</sub> extraction (SFE). To determine the most efficient extraction method, the polyphenol profiles of the extracts were analyzed using UHPLC-Q-Orbitrap-MS/MS, identifying flavonoids, terpenes, coumarins, and anthocyanins. SFE not only was the most efficient method but provided the most diverse and abundant profile. The research highlights the potential of converting industrial by-products that would otherwise be treated as wastewater, into valuable resources that generate revenue, promote circular economy practices, and enhance sustainability in the fruit and vegetable processing sector. The economic viability of polyphenol extraction is also discussed, emphasizing its significance and impact on various industries. The findings support integrating advanced extraction technologies to maximize resource recovery and minimize environmental impact.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 5","pages":"540-553"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Response surface methodology to investigate the effects of operational parameters on membrane bioreactor. 响应面法研究操作参数对膜生物反应器的影响。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-28 DOI: 10.2166/wst.2025.031
Sarra Kitanou, Mustapha Tahaikt, Mohamed Taky, Azzedine Elmidaoui
{"title":"Response surface methodology to investigate the effects of operational parameters on membrane bioreactor.","authors":"Sarra Kitanou, Mustapha Tahaikt, Mohamed Taky, Azzedine Elmidaoui","doi":"10.2166/wst.2025.031","DOIUrl":"https://doi.org/10.2166/wst.2025.031","url":null,"abstract":"<p><p>Performance modeling of wastewater treatment systems has now become an attractive area of investigation for the design, analysis, and optimization of operations. Mathematical modeling of membrane bioreactor (MBR) treatment is a powerful tool for predicting effluent quality. In this study, a bioreactor coupled with a membrane filtration process (MBR) was employed to treat municipal wastewater. An experimental design based on the response surface methodology (RSM) was applied to investigate the effects of operating conditions, such as hydraulic retention time (HRT), aeration rate (AR), and transmembrane pressure (TMP), on the removal efficiencies of chemical oxygen demand (COD), total suspended solids (TSS), and total nitrogen (TN). The results demonstrated a strong agreement between experimental data and model predictions. Furthermore, the RSM results display the effects of the operating parameters and their interactive effects on pollution removal. The maximum removal efficiency was achieved, exhibiting 95% of COD, 99.7% of TSS, and 93% of TN. These findings provide the effective use of statistical modeling to enhance MBR process performance, achieving sustainable and energy-efficient conditions.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 5","pages":"453-468"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ternary micro-electrolysis filter media for efficient PFOA removal in water: synthesis, characterization, and performance study. 高效去除水中PFOA的三元微电解过滤介质:合成、表征和性能研究。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-28 DOI: 10.2166/wst.2025.033
Shuilian Li, Lishan Zhang, Shan Zhong, Jiayan Zhu, Zengxian Wei
{"title":"Ternary micro-electrolysis filter media for efficient PFOA removal in water: synthesis, characterization, and performance study.","authors":"Shuilian Li, Lishan Zhang, Shan Zhong, Jiayan Zhu, Zengxian Wei","doi":"10.2166/wst.2025.033","DOIUrl":"https://doi.org/10.2166/wst.2025.033","url":null,"abstract":"<p><p>This study reports the preparation of granular ternary micro-electrolysis materials and their effectiveness in removing the emerging contaminant PFOA. Al/nZVI/C@F granules were synthesized using a liquid-phase reduction method combined with high-temperature calcination. By comparing the removal of methylene blue dye by granules, the optimum preparation conditions were determined as follows: Fe:C = 5:1, fly ash = 50%, calcination temperature = 800 °C, and holding time = 1 h. Static batch experiments revealed that under optimal conditions (PFOA concentration = 25 mg/L, solid-liquid ratio = 30 g/L, pH = 3, reaction temperature = 15 °C), Al/nZVI/C@F achieved a PFOA removal rate of 97.83%. The removal efficiency of Al/nZVI/C@F (93.90%) was significantly higher than that of commercial iron-carbon (12.75%). After 45 days of dynamic column experiments, the removal efficiency of nZVI/C@F and Al/nZVI/C@F for PFOA (50 mg/L) remained above 60%, demonstrating strong practical application potential. Further adsorption-desorption experiments revealed that nZVI/C@F and Al/nZVI/C@F primarily removed 50 mg/L PFOA through adsorption. For a lower PFOA concentration of 0.5 mg/L, the defluorination rates were 53.2% for nZVI/C@F and 68.9% for Al/nZVI/C@F. High-performance liquid chromatography-tandem mass spectrometry was used to analyze the intermediates formed during PFOA removal, leading to a proposed degradation pathway.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 5","pages":"609-625"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of detention ponds for urban stormwater runoff and pollution control in multiple catchments system with analytical probabilistic models and particle swarm. 基于解析概率模型和粒子群的多集水区城市雨水径流和污染控制截流池优化。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-21 DOI: 10.2166/wst.2025.024
Ali Aldrees, Salisu Dan'azumi, Sani I Abba
{"title":"Optimization of detention ponds for urban stormwater runoff and pollution control in multiple catchments system with analytical probabilistic models and particle swarm.","authors":"Ali Aldrees, Salisu Dan'azumi, Sani I Abba","doi":"10.2166/wst.2025.024","DOIUrl":"https://doi.org/10.2166/wst.2025.024","url":null,"abstract":"<p><p>Guidelines are often set at urban catchments' outfalls to avert river pollution, where stormwater is discharged into the river. Analytical probabilistic models (APMs) in conjunction with particle swarm optimization (PSO) were used to design a detention pond system at three sub-catchments of a watershed that discharge into a common point. The objective is to design multiple ponds upstream such that the pollution control target downstream is met at the minimum cost. Given the cost of purchasing land plus the cost of construction/maintenance of the ponds in the sub-catchments, the result shows that pond depths of 2.0 m in all three sub-catchments give the least total cost. A runoff control of 88, 94, and 90%, and pollution control of 59, 45, and 66% were obtained in Ponds 1, 2, and 3, respectively, while satisfying the overall watershed's pollution control target. A sensitivity analysis was conducted by varying the land costs and different performances were obtained. The APM/PSO model can search for the optimum design parameters that satisfy upstream runoff control performances and the overall pollution control target downstream. The advantage of the approach is that it can be applied to any combination of ponds in a larger watershed.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 5","pages":"592-608"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antimicrobial activity of immobilized mycocins in sodium alginate on fecal coliforms. 海藻酸钠固定化菌素对粪便大肠菌的抑菌活性。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-26 DOI: 10.2166/wst.2025.028
Cristiane Persel, Jessica Cassia da Silva, Caroline Simon, Mateus Foltz Delabeneta, Daniele Schaab Boff Junges, Bruna Larissa Nascimento, Michele Ana Flores Chaves, Rita de Cássia Garcia Simão, Claudete Rodrigues Paula, Rinaldo Ferreira Gandra
{"title":"Antimicrobial activity of immobilized mycocins in sodium alginate on fecal coliforms.","authors":"Cristiane Persel, Jessica Cassia da Silva, Caroline Simon, Mateus Foltz Delabeneta, Daniele Schaab Boff Junges, Bruna Larissa Nascimento, Michele Ana Flores Chaves, Rita de Cássia Garcia Simão, Claudete Rodrigues Paula, Rinaldo Ferreira Gandra","doi":"10.2166/wst.2025.028","DOIUrl":"https://doi.org/10.2166/wst.2025.028","url":null,"abstract":"<p><p><i>Wickerhamomyces anomalus</i> is a yeast-producing mycocins and has antimicrobial action. <i>Escherichia coli</i> is the predominant bacterium of the coliforms group; its presence in water indicates fecal contamination, being used as an indicator of microbiological analyses. The immobilization of cells and substances demonstrates great potential for biotechnological applications. This work aimed to assess the activity of free and immobilized mycocins, obtained from <i>W. anomalus</i>, against <i>E. coli</i> strains and fecal coliforms. The mycocins were immobilized in different concentrations of sodium alginate and calcium chloride and tested to verify the antimicrobial activity against the <i>E. coli</i> strain and fecal coliforms present in water samples. The mycocins were able to inhibit all strains used in broth microdilution. Considering the problem of multidrug-resistant antibiotic strains and the need for new alternatives to improve the quality of water and sewage effluents, these results demonstrate a possible application as an alternative to an antimicrobial agent.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 5","pages":"581-591"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrated electrodialysis/electro-oxidation process for the treatment of chlorpyrifos wastewater with high energy efficiency. 电渗析/电氧化一体化工艺高效处理毒死蜱废水。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-15 DOI: 10.2166/wst.2025.021
Yong Tu, Yong Chen, Xiaoyue Zhang, Yunhao Xu, Yixuan Zhang, Tao Cui, Boming Fu
{"title":"Integrated electrodialysis/electro-oxidation process for the treatment of chlorpyrifos wastewater with high energy efficiency.","authors":"Yong Tu, Yong Chen, Xiaoyue Zhang, Yunhao Xu, Yixuan Zhang, Tao Cui, Boming Fu","doi":"10.2166/wst.2025.021","DOIUrl":"https://doi.org/10.2166/wst.2025.021","url":null,"abstract":"<p><p>A novel integration of the electrochemical process with electrodialysis and electro-oxidation (IEDEO) was designed for the effective pretreatment of chlorpyrifos manufacturing wastewater, with high concentrations of both salts and organic compounds. The effects of operating parameters including initial pH and constant voltage on the IEDEO process performance were investigated. The IEDEO process showed excellent performance for the simultaneous removal of bio-refractory organics and inorganics in the chlorpyrifos wastewater. In contrast with the single EO process, the results of energy consumption, UV-vis spectra, and GC-MS showed that the oxidation performance for chlorpyrifos wastewater by IEDEO was carried out more efficiently. The biodegradability of the chlorpyrifos wastewater pretreated by IEDEO was significantly improved. The total salt removal (90.3 ± 2.1%) from the chlorpyrifos wastewater obtained by IEDEO was significantly higher than the 5.8 ± 1.6% removal attained with the EO process. The COD removal of chlorpyrifos wastewater by the IEDEO process was 25.5 ± 1.2%, and the energy consumption of the IEDEO process was 15.1 ± 1.6 kWh kg<sup>-1</sup> COD at 2 h, representing a 60-65% reduction compared to the EO process. This indicated that the IEDEO process was a valuable pretreatment technique for biological treatment. Moreover, scanning electron microscopy and X-ray diffraction results demonstrated that the IEDEO concentrate was beneficial for subsequent evaporative desalination.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 5","pages":"639-653"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Water Sci Technol 2025; wst2025007. Removal of phenolic compounds from olive mill wastewater (OMW) by tailoring the surface of activated carbon under acidic and basic conditions, Abeer F. Al Bawab, M. A. Abu-Dalo, H. Kanaan, N. Al-Rawashdeh, F. Odeh, https://doi.org/10.2166/wst.2025.007. 水科学技术2025;wst2025007。陈晓明,陈晓明,陈晓明,等。酸性和碱性条件下活性炭表面改性对橄榄厂废水中酚类化合物的去除研究[j], https://doi.org/10.2166/wst.2025.007。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 DOI: 10.2166/wst.2025.029
{"title":"Water Sci Technol 2025; wst2025007. Removal of phenolic compounds from olive mill wastewater (OMW) by tailoring the surface of activated carbon under acidic and basic conditions, Abeer F. Al Bawab, M. A. Abu-Dalo, H. Kanaan, N. Al-Rawashdeh, F. Odeh, https://doi.org/10.2166/wst.2025.007.","authors":"","doi":"10.2166/wst.2025.029","DOIUrl":"https://doi.org/10.2166/wst.2025.029","url":null,"abstract":"","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 5","pages":"669"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differential overload simulation of condensate and housekeeping rendering wastewater for nutrient removal. 冷凝水和清洁处理废水的微分过载模拟,以去除营养物质。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-03-05 DOI: 10.2166/wst.2025.037
Elias Daniel David Nova-Burgos, Diana Catalina Rodríguez-Loaiza, Julio Cesar Saldarriaga-Molina
{"title":"Differential overload simulation of condensate and housekeeping rendering wastewater for nutrient removal.","authors":"Elias Daniel David Nova-Burgos, Diana Catalina Rodríguez-Loaiza, Julio Cesar Saldarriaga-Molina","doi":"10.2166/wst.2025.037","DOIUrl":"https://doi.org/10.2166/wst.2025.037","url":null,"abstract":"<p><p>The meat rendering process transforms waste from the meat industry to valuable materials as animal feed supplements. During the rendering process, large amounts of condensate and housekeeping wastewater (CWW and HKWW), solids and greenhouse gases are released into the environment imposing a huge pollution threat. Rendering condensate wastewater also causes many issues that commonly affect biological treatment processes such as pH inhibition, nutrient deficit and temperature. Therefore, the main objective of this work was to simulate the nutrient removal from a sequencing batch reactor (SBR) through the differential nitrogen overload of CWW. With aid of simulation, results found that the current SBR system does not remove carbon and nitrogen as much as other biological systems. This is due to low biodegradation of chemical oxygen demand (COD), the high content of inert particulate carbon (XI), identified in the fractionation of HKWW, and the toxic and inhibitory effect of ammonium present in CWW. When the system is overloaded with nitrogen from CWW there is little removal of biochemical oxygen demand (BOD), ordinary heterotrophic organisms (OHO) outnumber autotrophic nitrifying organisms (ANO) and ammonium toxicity occurs, all contributing to a failure to remove nutrients.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 6","pages":"731-745"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Innovative pre-treatments for reverse osmosis to reclaim water from biotech and municipal wastewater for the industrial symbiosis in Kalundborg. 创新的反渗透预处理,从生物技术和城市废水中回收水,用于卡伦堡的工业共生。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-27 DOI: 10.2166/wst.2025.025
Jeannette Jährig, Anne Kleyböcker, Fabian Kraus, Line Rodenkam Melchiorsen, Hasse Milter, Preben Thisgaard, Leo Vredenbregt, Ulf Miehe
{"title":"Innovative pre-treatments for reverse osmosis to reclaim water from biotech and municipal wastewater for the industrial symbiosis in Kalundborg.","authors":"Jeannette Jährig, Anne Kleyböcker, Fabian Kraus, Line Rodenkam Melchiorsen, Hasse Milter, Preben Thisgaard, Leo Vredenbregt, Ulf Miehe","doi":"10.2166/wst.2025.025","DOIUrl":"https://doi.org/10.2166/wst.2025.025","url":null,"abstract":"<p><p>The challenge of water reclamation using membranes in this study was the quite unique wastewater composition resulting from a high share of biotech wastewater. The high content of organic matter and high concentrations of calcium, bicarbonate, and sulphate were considered as challenging for membrane processes. Consequently, an innovative ultra-tight ultrafiltration (u-t UF) membrane was developed and tested on-site at pilot scale. In comparison, a conventional UF and an open nanofiltration (NF) were piloted. The aim was to find the best pre-treatment option for reverse osmosis (RO) to reduce fouling and scaling and produce fit-for-purpose water; for example, cooling. Overall, the quality of the currently used water source was surpassed by the pilot plant. Only a standard post-treatment of the RO permeate was necessary for stabilisation. Results indicated that denser membranes only minimally reduced fouling of RO. An assessment comparing the treatment trains in a life cycle assessment using the data collected from the pilot operation (UF/NF operating settings, RO plant performance, and the design of multi-stage industrial scale RO) revealed lower greenhouse gas emissions compared to seawater desalination. However, if the RO brine treatment becomes mandatory, the greenhouse gas emissions from water reclamation and supply will be higher than those from freshwater supply.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 6","pages":"698-713"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regional joint regulation mode for flood control in plain cities: addressing extensive heavy rainfall. 平原城市防洪的区域联合调控模式:应对大范围强降雨。
IF 2.5 4区 环境科学与生态学
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-26 DOI: 10.2166/wst.2025.027
Qianting Liu, Zhiming Zhang, Yang Liangrui, Wang Zhe
{"title":"Regional joint regulation mode for flood control in plain cities: addressing extensive heavy rainfall.","authors":"Qianting Liu, Zhiming Zhang, Yang Liangrui, Wang Zhe","doi":"10.2166/wst.2025.027","DOIUrl":"https://doi.org/10.2166/wst.2025.027","url":null,"abstract":"<p><p>Establishing a coordinated flood storage and drainage joint regulation mode for various cities can effectively mitigate the disaster risk associated with extensive heavy rainfall. This study introduces a novel concept of joint regulation of urban agglomeration based on watershed features and spatial topological norms. From the perspective of urban agglomeration, three new modes are proposed to guide flood storage and drainage in plain cities: (1) storing before discharging, (2) discharging before storing, and (3) discharging while storing. The modes aim to facilitate coordination among neighboring cities in an urban agglomeration and enhance the temporal and spatial coordination of flood storage and drainage. Multi-layer tree rules are established to allocate modes to cities based on the spatial characteristics of flood risk, storage, and drainage performance. The fact case proves that the mode has certain practical applicability. There are 35, 151, and 30 plain cities that use DS, DWS, and SD modes, respectively, out of 221 total. Most urban agglomerations employ at least two different joint regulation modes. The multi-layer tree rules for mode allocation presented in this study provide theoretical guidelines for flood management in plain cities across various regions.</p>","PeriodicalId":23653,"journal":{"name":"Water Science and Technology","volume":"91 6","pages":"714-730"},"PeriodicalIF":2.5,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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