Recycling of wastewaters of textile dyeing industries using advanced treatment technology and cost analysis—Case studies

• Published in: Resources, conservation and recycling Vol. 50; no. 3; pp. 306 - 318
• Main Authors: Ranganathan, K., Karunagaran, K., Sharma, D.C.
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.05.2007; Oxford Elsevier
• Subjects: Applied sciences; Chemical engineering; Dyeing industry; Exact sciences and technology; General purification processes; Heat exchangers and evaporators; Membrane process; Membrane separation (reverse osmosis, dialysis...); Nanofiltration; Pollution; Reactors; Reverse osmosis; Wastewater recycling; Wastewaters; Water treatment and pollution; ISW, India, Tamil Nadu; ISW, India; TDS; SAR; INR; MEE; Membrane process; Nanofiltration; Dyeing industry; CPCB; TH; Wastewater recycling; APHA; BOD; NF; COD; Reverse osmosis; RO; Dyes; Hydrogen peroxide; Maintenance; Sulfates; Waste water; Membrane separation; Bleaching; Chemical oxygen demand; Chlorides; Preparation; Production; Water quality; Evaporator; Solar evaporation; Recycling; Cost analysis; Reactor; Textile industry

Textile dyeing industries in Tirupur and Karur of Tamil Nadu (India) usually discharge effluents ranging between 80 and 200 m 3/t of production. Dyeing is performed either by conventional winch process or by advanced soft flow reactor process. Hypochlorite, the commonly used bleaching chemical is be...