color removal textile effluent water treatment/color in spain

color removal textile effluent water treatment/color in spain
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  • Can readily available water treatment residuals remove colour from textile wastewater?
  • The use of readily available water treatment residuals (WTR) as a low-cost material for removal of colour from real textile wastewater was investigated. WTR was used in three forms, namely in raw wet form as a coagulant, in the dried form as an adsorbent and as a filtration media in column tests.
  • How to remove color from textile wastewater?
  • Color removal using chemical method The color from textile wastewater can be removed by various methods. Chemical method is one among them. In this method, various oxidizing agents like sodium hypochlorite, chlorine gas, hydrogen peroxide, ozonization, and other oxidizing methods are involved. This is the cheapest method of color removal.
  • What dyes are present in textile wastewater?
  • The residual dyes present in the textile wastewater are mainly azo and anthraquinone dye classes that are more resistant to chemical degradation that is found in other classes of dyes also. The color removal treatments in the textile wastewater are categorized into the physicochemical, chemical, and biological techniques using different methods.
  • Which hybrid treatment is best for color removal from textile wastewater?
  • Among the different hybrid treatments, the MBR (membrane bioreactor) and the PMR (photocatalytic membrane reactor) were reviewed in detail as they have shown to be practically promising for color removal from textile wastewater.