treatment of strong acid dye wastewater by solvent extraction

treatment of strong acid dye wastewater by solvent extraction
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  • How is dye wastewater treated?
  • With regards to treatment performance, Yang et al. treat dye wastewater by using a microfiltration membrane that consisted of a particle size range between 1 and 50 μm, with a range in diameter between 20 and 40 μm. The authors experience removal of COD at 85 %, TOC between 85 % and 90 %, and a 70 % color removal .
  • How is wastewater treated to dyeing and finishing production process?
  • When the treated wastewater is recycled to the dyeing and finishing production process, the water quality must meet the production water requirements, and membrane treatment such as ultra filtration (UF), reverse osmosis (RO) and nano filtration (NF) after advanced treatment is commonly used. In China, dyeing and finishing
  • 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 percentage of dye is removed from wastewater?
  • Color removals have been documented to being 65 % [34, 35] to a maximum between 80 % and 90 % [36 – 38]. The combination of anaerobic and aerobic treatment has found more success when attempting to treat dye wastewater.