Abstract:
To determine the efficiency on color removal of cassava stem, pineapple leaf and coconut husk both before and after being treated by a quarternized crosslinked chemical substance. By performing shaker experiments, two types of dyes namely reactive dyes and direct dyes and distillery wastewater were used as color sources. The experimental results showed that a physical property of cassava stem, pineapple leaf and coconut husk could be improve by the quarternized crosslinked ion-exchange process. As in the study, the quarternized crosslinked ion-exchange resin presented a greater number of roughness, channel, density, water fill up, surface area and functional group: hydroxyl group -OH, alkyl group -CH and CH2-O and alkene group C=C than untreated cellulose. The average reactive and direct dyes removal efficiency of untreated cellulose was 5.35%. This showed less efficiency than those of the quarternized crosslinked ion-exchange resin which was 95.54% average. The Ion exchange capacity of cassava stem, pineapple leaf and coconut husk were 0.68, 0.86 and 0.86 meq./g. (dry resin) respectively. The adsorption isotherm of Q-R coconut husk was fitted in the Langmuir adsorption isotherm and adsorption increased with increased temperature, it was found that Q-R coconut husk is the most adsorption at 60 ํC. The exchange capacity of direct dyes (Sirius Blue KCFN, Sirius Rubine KZBL and Best Direct Black B) and reactive dyes (Remazol Brilliant Blue R, Remazol Brilliant Red 3BS and Remazol Black B) were 445, 555, 445, 625, 625 and 625 mg/g material, respectively. The average color removal efficiency of real wastewater by using shaker experiment of untreated cellulose was 7.92%. It was less than those of the quarternized crosslinked ion-exchange resin, which was 98.65% and activated carbon 100% in average.