Dyeing of cotton with reactive dyestuffs: the continuous reuse of textile wastewater effluent treated by Ultraviolet / Hydrogen peroxide homogeneous photocatalysis

被引：91

作者：

Rosa, Jorge M. ^{[1
,2
]}

Fileti, Ana M. F. ^{[2
]}

Tambourgi, Elias B. ^{[2
]}

Santana, Jose C. C. ^{[3
]}

机构：

[1] Univ Estadual Campinas, State Univ Campinas, Sch Chem Engn, BR-13083852 Campinas, SP, Brazil

[2] Sch Tecnol SENAI Antoine Skaf, BR-03008020 Sao Paulo, SP, Brazil

[3] UNINOVE, Nine July Univ, Ind Engn Post Graduat Program, BR-05001100 Sao Paulo, SP, Brazil

来源：

JOURNAL OF CLEANER PRODUCTION | 2015年 / 90卷

关键词：

Reuse of water; Reactive dyestuffs; Homogeneous photocatalysis; Textile effluent; DEGRADATION; DECOLORIZATION; SUSTAINABILITY; REMOVAL; CARBON; DYES;

D O I：

10.1016/j.jclepro.2014.11.043

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Ten differents dyeings were made using reuse water obtained from effluent after treatment by homogeneous photocatalysis. Before and after the UV/H2O2 treatments, the concentration of sodium chloride (NaCl), the absorbance (Abs) and the amount of total organic carbon (TOC) were monitored. All rates of decolorization were above 92% and the removal of TOC was above 88% in all treatments. Compared with the same dyeings made with deionized water, the total deviation (Delta E*) between the colors did not exceed 1.05. Currently, for a monthly production of 20 dyeings of 100 kg each, 160 m(3) of water is consumed and an equal volume of effluent is generated. The same dyeings made by the process proposed in this study, with an addition of 10 m(3) of water after 20 dyeings, would consume just 60 m(3) of water, without effluent discharge containing high amounts of organic matter and high values of absorbance. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：60 / 65

页数：6

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