Several technologies have been developed for dye removal including
adsorption, chemical and electrochemical oxidation, super filter film,
membrane separation, and coagulation. Because of the cheap adsorbents
in adsorption technique, adsorption has gradually become an
economical and feasible method for dye wastewater decontamination. Some low-cost or easy-accessibility materials such as zeolite
, layered double hydroxides , palygorskite , palm ash, blast furnace slag , oxide tailings and ferric hydroxide
have been investigated in many research studies. The application of
raw mineral adsorbents for wastewater treatment saw rapid growth
in recent years.
Several technologies have been developed for dye removal includingadsorption, chemical and electrochemical oxidation, super filter film,membrane separation, and coagulation. Because of the cheap adsorbentsin adsorption technique, adsorption has gradually become aneconomical and feasible method for dye wastewater decontamination. Some low-cost or easy-accessibility materials such as zeolite, layered double hydroxides , palygorskite , palm ash, blast furnace slag , oxide tailings and ferric hydroxidehave been investigated in many research studies. The application ofraw mineral adsorbents for wastewater treatment saw rapid growthin recent years.
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