Results 1 to 10 of about 1,760 (87)
Gongye shui chuli, 2021 高氨氮废水主要包括畜禽养殖废水、尿液、垃圾渗滤液、焦化废水、化工废水等，来源广、排放量大，其有效处理与高效回用成为水处理领域亟需解决的问题之一。膜蒸馏（MD）具有显著的耐污染能力和高效的处理性能，受到广泛关注。对MD在典型高氨氮废水处理与回用中的应用现状进行概述，综合分析其处理高氨氮废水时存在的问题，并总结归纳了主要解决策略与进展。研究表明，MD可实现高氨氮废水中的水回用和氨回收，是处理与回用高氨氮废水的一项关键技术。膜污染和润湿仍是MD面临的主要问题，同时 ...
康赛, 郑利兵, 魏源送, 李清雪
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Gongye shui chuli, 2022 含油清洗废水的深化处理及清洗剂回收再利用一直是工业废水处理领域关注的焦点。清洗剂具有既亲水又亲油的特点，其高效回收受到限制。同时，由于清洗废水所含油品种类复杂，很难匹配到合适的处理方法。为解决该难题，深入研究了过滤精度、跨膜压差、温度、浓度等因素对超滤膜法处理含油清洗废水及清洗剂回用效果的影响。研究结果表明，适宜过滤精度的膜元件、合适的跨膜压差和温度可实现较高的清洗剂回用率和石油类截留率。此外，废水中清洗剂的含量越高，产水中的清洗剂越多；石油类含量越高，清洗剂的回用率越低，膜受污染程度也越严重。结果表明，
余炎子 +4 more
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Gongye shui chuli, 2011 电镀清洗废水是电镀废水的一种,其成分复杂,毒性较大,直接排放会严重污染环境。若对电镀清洗废水处理后有效回用,可减少废水排放,节约水资源。依据工程实例,首次采用全膜法(UF-RO-EDI)处理电镀清洗废水,制备的高纯水(电阻率≥16.0 MΩ.cm)可直接回用于生产,废水回用率达到60%。介绍了这种回用系统的工艺流程及工程运行情况,该系统运行稳定,为电镀废水回用开辟了新的思路。
高融 +4 more
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Gongye shui chuli, 2014 啤酒生产过程中会产生大量的废水，必须经过处理达到排放标准后排放或者达到回用标准后回用。根据啤酒废水来源不同其水质明显不同，这是废水回用的基础。对啤酒生产工艺及废水产生情况进行了介绍，综述了几种新型废水回用技术，主要包括膜过滤、膜生物反应器、低温等离子体以及电化学方法，总结了这些新技术各自的优缺点，并对其在废水回用中的应用情况作相关展望。
王亚军 +4 more
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Recovering Critical Elements From Wastewater for Battery Materials: A Review
Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Driven by global carbon neutrality goals, the transition toward a circular economy and sustainable resource management has become increasingly imperative. Given the indispensable role of battery technologies in modern energy storage systems, strategic elements such as lithium (Li), cobalt (Co), and nickel (Ni)—identified by the European ...
Ting Lei +5 more
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Gongye shui chuli, 2011 针对典型高耗水化工企业,分析其水网络的碳足迹,对推进清洁生产、优化水资源配置、降低二氧化碳排放具有重要意义。选择新鲜水和电能这两项决定性因素,计算水网络的碳足迹,分析了钛白粉厂不同废水回用方式对水网络碳足迹的影响。研究结果表明,钛白粉厂直接回用水网络和再生回用水网络的碳足迹分别比初始水网络降低了24.69%和26.38%;与直接回用水网络相比,再生回用水网络在新鲜水使用、废水排放和废水回用方面碳足迹的改变量小。
梁永利 +5 more
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Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Recovering palladium (Pd) from low‐concentration metallurgical wastewater still poses significant challenges. In this study, triaminoguanidine hydrochloride was used as the key functional site, and three guanidine‐functionalized covalent organic frameworks (GCOFs) were successfully constructed by adjusting the substituents (–H, –OH, and –OCH3)
Jiaxing Xiong +9 more
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability.
Sheng Guo +9 more
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The past decade has witnessed a burgeoning demand of metals for global industrial development and infrastructure. Meanwhile, the depletion of mineral resources and the environmental damage caused by wastewater discharges pose significant threats to both economic and ecological sustainability. Fortunately, metal‐containing wastewaters also hold
Fei Zhang +6 more
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Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT Chlorination roasting has emerged as a promising pyrometallurgical strategy for the selective recovery of lithium from spent lithium‐ion batteries (LIBs). In this study, a natural roasting agent, seawater‐derived chlorides, was employed to selectively extract lithium from spent LiNi0.5Co0.2Mn0.3O2 (NCM523) cathode. MgCl2·6H2O, a main component
Bei‐Lei Zhang +7 more
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