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  • What technologies are used to treat printing and dyeing wastewater?
  • The printing and dyeing wastewater (PDW) contains a high concentration of dyes, salts, and other contaminants. This study is a review of published literature that utilised various technologies for the treatment of PDW. The studied technologies include adsorption, membrane technology, advanced oxidation processes, and biological processes.
  • Can printing and dyeing wastewater be treated?
  • In this study, printing and dyeing wastewater treatment technologies were examined. This wastewater contains a high concentration of dyes, salts, and other contaminants. Physicochemical processes have several limitations to treat the wastewater. Adsorption technology can result in dye rejection rates of over 90%.
  • What are the chemical approaches for textile dye wastewater treatment?
  • Chemical approaches for textile dye wastewater treatment, including coagulation-flocculation (A), photocatalytic degradation of toxic dye molecules (B), photo-Fenton (C), electro-Fenton (D), electrocoagulation (E), and anodic oxidation approach (F). 3.2.1. Coagulation-flocculation
  • Are alternative treatment processes available for textile industry effluent in Malaysia?
  • Thus, there is a need to look for alternative treatment processes that covers from pre to post wastewater treatment stage. This paper reviews the current scenario with respect to textile industry effluent in Malaysia and technologies available for the treatment of the effluent.