1. Removal of color, COD and lignin of pulp and paper wastewater using wood ash;Tantemsapya;Songklanakarin J. Sci. Technol.,2004
2. Controlling wastewater color via coagulation and flotation separation;Ackel;TAPPI J.,1988
3. Decolorization of paper mill effluent by aspergillus fumigatus in bioreactor;Jayaramraja;Poll. Res.,2001
4. Treatment of pulp and paper mill wastewater—a review;Pokhrel;Sci. Total Environ.,2004
5. Removal of color and detoxification of pulp and paper mill effluent by microorganisms in two step bioreactor;Singh;J. Sci. Ind. Res.,2004