Investigation on Effluent Characteristics of Organic Cotton Fabric Dyeing With Eco-Friendly Remazol Reactive Dyes

Authors: Md. Mashiur Rahman Khan, Md. Mazedul Islam, Elias Khalil

Environmental sustainability is the major concern in the age of modern world. For textile and apparel sector, this has been a burning issue for many related concerned bodies. The pretreatment and dyeing process of greige fabrics results in large volume of effluents that has harmful effect on environment. In this study, the ecological parameters of the effluents obtained from scouring and dyeing of 100% organic cotton single jersey knitted fabrics with environmentally low impact Remazol series reactive dyes adopting exhaust dyeing method was investigated. The effluents collected for investigating the ecological parameters include chemical oxygen demand (COD), biological oxygen demand (BOD), total dissolved solids (TDS), total suspended solids (TSS), dissolved oxygen (DO) and alkalinity. The results show that the use of the low impact reactive dyes has greater ecological advantages as it reduces the COD, BOD, TDS, TSS, p H values and increases the DO values of effluents. Organic cotton itself being eco-friendly along with Remazol series sustainable dyes provides the better ecological results. Hence, the results indicated that wet processing of organic cotton knitted fabric with eco-friendly and low impact reactive dyes provide better ecological advantages.

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[v1] 2015-06-04 11:47:55

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