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聚硫酸和染料废水脱色辅助剂在染料废水脱色中的协同作用

Jie Min¹, Huilan Zhou¹, Chao Yang¹

¹Key Laboratory of Oil & Gas Fine Chemicals, Ministry of Education, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang University Urumqi 830046 China zhaoyunlong908@xju.edu.cn.

|January 26, 2026

概括

自合成的聚硫酸 (PSAS) 有效地去除了许多染料的90%以上. 将PSAS与聚酸 (PMoA) 结合起来,显著改善了具有挑战性的阴阳性和混合染料废水的处理.

科学领域:

环境化学环境化学
水处理技术水处理技术
材料科学材料科学材料科学

背景情况:

工业染料废水带来了重大的环境挑战.
有效和适应性的凝固剂对于脱色至关重要.
现有的凝固剂在某些染料结构方面存在局限性.

研究的目的:

为了比较自我合成的多硫酸 (PSAS) 与商业凝固剂的去染色效果.
调查PSAS和用于难以处理的染料的辅助剂的性能.
评估混合染料废水的综合处理方法.

主要方法:

使用PSAS和6种商业凝固剂 (,PFS,MgSO4,PAC,PAMDAAC,APAM) 的9种结构性染料的比较分析.
评估广泛的pH范围内的脱色率.
进行FTIR和Zeta电位分析以阐明去除机制.
聚酸 (PMoA) 作为基本染料去除的辅助剂的评估.

主要成果:

对于大多数染料来说,PSAS表现出高的脱色能力,在pH 11下,五种染料类型的脱色率达到>90%.
具有稳定结构的阴离子染料被所有测试的凝固剂所去除的效果很差.
基于PSAS的脱色主要通过电荷中和发生.
结合PSAS和PMoA实现了94.2%的罗达胺B和92.5%的混合染料废水的去除.

结论:

PSAS是一种多功能凝固剂,在各种染料类型的广泛pH范围内有效.
聚酸 (PMoA) 在与PSAS结合时显著增强了具有挑战性的阴离子和混合染料的去除.
联合PSAS和PMoA技术为处理复杂的工业染料废水提供了一个有前途的解决方案.

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