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Hydrolysis Acidification/Biological Contact Oxidation/Subfiltration Technology for Treatment of Printing and Dyeing Wastewater

Chen Ji-hua

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Abstract

The hydrolysis acidification/biological contact oxidation/subfiltration technology was used to treat textile printing and dyeing wastewater.The operation results indicate that the removal efficiencies of COD,color and SS are 91%,92.5% and 90.9% respectively.The treated effluent quality satisfies the requirement of the printing and dyeing process,with consideration of its reuse.The process has advantages of less excessive sludge,stronger resistance to shock loading and higher removal efficiency of refractory organisms,and it is of utility in the treatment of textile printing and dyeing wastewater.

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What this paper is about

The hydrolysis acidification/biological contact oxidation/subfiltration technology was used to treat textile printing and dyeing wastewater.The operation results indicate that the removal efficiencies of COD,color and SS are 91%,92.5% and 90.9% respectively.The treated effluent quality satisfies the requirement of the printing and dyeing process,with consideration of its reuse.The process has advantages of less excessive sludge,stronger resistance to shock loading and higher removal efficiency of refractory organisms,and it is of utility in the treatment of textile printing and dyeing wastewater.

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Available abstract

The hydrolysis acidification/biological contact oxidation/subfiltration technology was used to treat textile printing and dyeing wastewater.The operation results indicate that the removal efficiencies of COD,color and SS are 91%,92.5% and 90.9% respectively.The treated effluent quality satisfies the requirement of the printing and dyeing process,with consideration of its reuse.The process has advantages of less excessive sludge,stronger resistance to shock loading and higher removal efficiency of refractory organisms,and it is of utility in the treatment of textile printing and dyeing wastewater.

Key concepts: Dyeing, Wastewater, Effluent, Hydrolysis, Waste management, Oxidation process, Pulp and paper industry, Textile

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