Development of the ultra/nano filtration system for textile industry wastewater treatment

IF 0.8 4区工程技术 Q4 ENGINEERING, CHEMICAL

Membrane Water Treatment Pub Date : 2020-09-01 DOI:10.12989/MWT.2020.11.5.333

H. Rashidi, N. M. Sulaiman, N. Hashim, L. Bradford, Hashem Asgharnejad, M. Larijani

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引用次数: 5

Abstract

Advances in industrial development and waste management over several decades have reduced many of the impacts that previously affected ecosystems, however, there are still processes which discharge hazardous materials into environments. Among industries that produce industrial wastewaters, textile manufacturing processes play a noticeable role. This study was conducted to test a novel continuous combined commercial membrane treatment using polyvinylidene fluoride (PVDF), ultrafiltration (UF), and polyamide (PA) nanofiltration (NF) membranes for textile wastewater treatment. The synthetic textile wastewater used in this study contained sodium silicate, wax, and five various reactive dyes. The results indicate that the removal efficiency for physical particles (wax and resin) was 95% through the UF membrane under optimum conditions. Applying UF and NF hybrid treatment resulted in total effective removal of dye from all synthetic samples. The efficiency of sodium silicate removal was measured to be between 2.5 to 4.5% and 13 to 16% for UF and NF, respectively. The chemical oxygen demand in all samples was reduced by more than 85% after treatment by NF.

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纺织工业废水处理用纳米过滤系统的研制

几十年来，工业发展和废物管理的进步减少了许多以前影响生态系统的影响，但仍有一些过程会将有害物质排放到环境中。在产生工业废水的行业中，纺织制造工艺发挥着显著的作用。本研究采用聚偏氟乙烯（PVDF）、超滤（UF）和聚酰胺（PA）纳滤（NF）膜处理纺织废水，试验了一种新型的连续组合商业膜处理方法。本研究中使用的合成纺织废水含有硅酸钠、蜡和五种不同的活性染料。结果表明，在最佳条件下，超滤膜对物理颗粒（蜡和树脂）的去除率为95%。应用UF和NF混合处理可以完全有效地去除所有合成样品中的染料。UF和NF的硅酸钠去除效率分别在2.5%至4.5%和13%至16%之间。NF处理后，所有样品中的化学需氧量减少了85%以上。

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来源期刊

Membrane Water Treatment ENGINEERING, CHEMICAL-WATER RESOURCES

CiteScore

1.90

自引率

30.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Membrane and Water Treatment(MWT), An International Journal, aims at opening an access to the valuable source of technical information and providing an excellent publication channel for the global community of researchers in Membrane and Water Treatment related area. Specific emphasis of the journal may include but not limited to; the engineering and scientific aspects of understanding the basic mechanisms and applying membranes for water and waste water treatment, such as transport phenomena, surface characteristics, fouling, scaling, desalination, membrane bioreactors, water reuse, and system optimization.