Removal of dyes from textile waste water using adsorption by activated carbon of rice husk

Results of removal of dyes from textile waste water using adsorption by activated carbon of rice husk are being presented. This research work is based on case study of waste water treatment plant of koh-e-noor textile industry located in Pakistan. Dyes used in research were Congo red and Magenta. Two parameters (agitation time and adsorbent dose) were selected to investigate the % age removal of dyes. Both of the dyes selected are hygienic, cause skin irritation and allergic dermatitis. It was found that the %age removal of both dyes increased as agitation time and adsorbent dose increased. The %age removal of Congo red was 88% and magenta was 85% by different agitation time, while in case of different adsorbent dose, the % age removal of Congo-red was 69.3% and magenta was 95.3%. It was observed that both of these dyes can be removed by activated carbon of rice husk. These results showed that adsorption by activated carbon of rice husk is a good economical method for the removal of dyes.