水和废水处理用复合混凝剂的新趋势

Macromol Pub Date : 2024-07-22 DOI:10.3390/macromol4030030
Eleftheria K. Tsoutsa, A. Tolkou, G. Kyzas, I. Katsoyiannis
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引用次数: 0

摘要

混凝/絮凝(C/F)工艺旨在有效去除废水中的浊度、总悬浮固体(TSS)、化学需氧量(COD)、生化需氧量(BOD)、有毒金属、磷酸盐和紫外线 254 纳米。单独使用或与絮凝剂结合使用的天然和合成混凝剂在这一处理过程中都发挥着至关重要的作用。本综述总结了用于废水处理的混凝剂的最新发展趋势,重点介绍了根据审查研究结果证明具有显著功效的各种无机和有机混凝剂。值得注意的是,蟹壳生物混凝剂(CS)在去除浊度方面表现出色,去除率高达 98.91%,而橡树叶蛋白在去除 TSS 和 COD 方面表现出色。PALS、PSiFAC1.5:10:15 和 PAPEFAC1.5-10-15 等合成无机混凝剂的浊度去除率超过 96%。POFC-2 混凝剂在高效去除生活污水中的 TSS 和 COD 方面表现突出,对 TSS 的去除率高达 93%,对 COD 的去除率高达 89%。此外,利用 FeCl3 作为无机混凝剂,同时利用壳聚糖作为有机絮凝剂,在降低植物油精炼厂废水的浊度、COD 和多酚类物质方面取得了良好的效果。PE-2 是一种新型有机混凝剂,在消除制糖业废水的浊度、总悬浮固体、化学需氧量和生化需氧量方面表现出卓越的功效。壳聚糖能有效去除啤酒厂废水中的 TOC 和正磷酸盐。此外,CTAB 还能高效去除废水中的各种有毒金属离子。混合混凝剂PAAP0.1、0.5 和 PPAZF 的浊度去除率非常高,约为 98%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
New Trends in Composite Coagulants for Water and Wastewater Treatment
Coagulation/Flocculation (C/F) process aims to efficiently eliminate turbidity, TSS, COD, BOD, toxic metals, phosphates, and UV254nm from wastewater. Both natural and synthetic coagulants, used alone or in conjunction with flocculants, play crucial roles in this treatment. This review summarizes recent trends in coagulants for wastewater treatment, highlighting a wide array of inorganic and organic coagulants that have demonstrated significant efficacy based on reviewed studies. Notably, Crab Shell Bio-Coagulant (CS) excels in turbidity remov5al, achieving a remarkable 98.91% removal rate, while oak leaves protein shows superior performance in TSS and COD removal. Synthetic inorganic coagulants like PALS, PSiFAC1.5:10:15, and PAPEFAC1.5-10-15 demonstrate outstanding turbidity removal rates, over 96%. POFC-2 coagulant stands out for efficiently removing TSS and COD from domestic wastewater, achieving up to 93% removal for TSS and 89% for COD. Moreover, the utilization of FeCl3 as an inorganic coagulant alongside chitosan as an organic flocculant shows promise in reducing turbidity, COD, and polyphenols in wastewater from vegetable oil refineries. PE-2, a novel organic coagulant, demonstrates exceptional efficacy in eliminating turbidity, TSS, COD, and BOD from sugar industry wastewater. Chitosan shows effectiveness in removing TOC and orthophosphates in brewery wastewater. Additionally, CTAB shows high efficiency in removing various toxic metal ions from wastewater. The hybrid coagulants: PAAP0.1,0.5 and PPAZF accomplish exceptional turbidity removal rates, approximately 98%.
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