ABSTRACT This study investigates the decolourization of reactive blue 4 textile dye solution by heat activated persulfate. Synthetic textile dyes have been found to be non-biodegradable, toxic and carcinogenic and thus potentially harmful to both the environment and living organisms when improperly discharged to the environment. A lot of attention have been given to Azo dyes which make up approximately 60% of the reactive dyes with limited study conducted on other classes of reactive dyes suc...
