china printing and dyeing wasterwater polyacrylamide for sale

china printing and dyeing wasterwater polyacrylamide for sale
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  • Why is dyeing and finishing wastewater a problem in China?
  • China has the largest textile production and export in the world, with a massive amount of wastewater and related pollutants releasing. With an increasing concern to improve water quality, dyeing and finishing wastewater (DFW) requires better disposal or reclamation.
  • What is printing and dyeing wastewater?
  • Printing and dyeing wastewater is a general term for the wastewater discharged from textile printing and dyeing factories or enterprises that process textile products through pre-treatment, bleaching, dyeing and finishing, washing, and other processes [ 3 ].
  • Why is printing & dyeing wastewater so difficult?
  • Printing and dyeing wastewater is recognized as one of the most difficult industrial wastewater treatments due to its complex composition, high content of refractory organic matter, high chroma, high alkalinity and poor biodegradability.
  • What is untreated printing & dyeing wastewater?
  • Untreated printing and dyeing wastewater encompass over 50 types of organic pollutants, including polycyclic aromatic hydrocarbons, benzene derivatives, aniline, among others [ 17 ].