Decolorization of Reactive Dyes, Part VII: Eco-Friendly Approach of Reactive Dye Effluents Decolorization Using Geopolymer Cement Based on Metakaolin-Slag mixes

Document Type : Original Article


1 Applied Biosciences and Process Engineering Department 7, Anhalt University of Applied Sciences, , Germany

2 National Research Center- Textile Division- Giza- Egypt

3 Dyeing, Printing and Textile Auxiliaries Department, Textile Research and Technology Institute, National Research Centre, 33 El Buhouth St., Cairo 12622, Egypt

4 Chemistry Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt.


Using two different types of geopolymers based on metakaolin-slag mixes by 80 to 20% and 60 to 40%, we did this investigation to remove the color from the dyeing bath residues from the liquid waste of reactive yellow dye 145 in an effort to reduce pollution and preserve the environment. The findings demonstrated that this technique offered colour reduction and environmental safety.