effluent color treatment chemical for dye water solution in india

effluent color treatment chemical for dye water solution in india
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  • Should dye effluent be treated before releasing into water bodies?
  • Hence, dye effluent treatment should be done before releasing into the water bodies. The dye industries have followed several ancient methods to remove the dye and other toxic chemicals in the wastewater. These conventional methods are coagulation/ flocculation, adsorption, ion exchange, cavitation, membrane separation, etc.
  • What are the different types of dye industrial wastewater treatment?
  • The dye industrial wastewater treatment process is mainly classified into three types: (i) biological, (ii) chemical and (iii) physical treatments. General wastewater treatment includes preliminary treatment, primary treatment, secondary treatment and tertiary treatment to treat dye industry effluents.
  • What technologies are used to treat dye industry wastewater?
  • Various technologies such as advanced oxidation process, membrane filtration technique, microbial technologies, bio-electrochemical degradation, photocatalytic degradation have been reported for treatment of dye industry wastewater [ 3, 21–24 ].
  • What is the effluent discharged from dye industries?
  • The effluent discharged from dye industries contain a mixture of metals, dyes and other pollutants. Two types of industrial wastes (liquid and solid) are frequently formed due to manufacturing processes and they contain any material that can be reduced through product manufacturing procedure.