Adsorption Efficiency versus Swelling Rates Of Chit
Journal Title: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) - Year 2018, Vol 13, Issue 2
Abstract
The presence of synthetic textile dyes in aqueous effluents, out streamed by industries causes terrible environmental pollution. Most of the synthetic textile dyes are recalcitrant, poisonous and degradation resistant, hence, naturally occurring polymers have been found to be an exceptional substance for biotechnological utilization due to having their distinct properties like biological compatibility with existing environment, nontoxicity and biodegradability. Chitosan, a deacetylated compound of chitin obtained from skin of crustacean fish is (1→ 4) 2- amino 2-deoxy β – D glucan and is now a familiar biodegradable polymer metabolized by human enzymes. It can be prepared as interpenetrating network of hydrogel as micro and nano sized beads, having a positive charge at wide pH range. These beads are attempted to remove some of metals and other pollutant from water. Chitosan beads of varying composition and crosslinked with glutaraldehyde have been prepared by us to study their removal efficiency for dyes and beads have been specified by using SEM and FTIR techniques. Experiments to study the swelling behavior of beads has been carried out to evaluate effect of bead composition (chitosan, crosslinker i.e. glutaraldehyde) and solution pH. The studies proved that swelling increased with increasing quantity of chitosan and with lowering the percentage of crosslinker. It is further concluded that the swelling percentage is more in acidic solution than in basic. Percent Color removal efficiency for dye from effluents has been determined and found to be dependent of dye initial concentration, pH, weight of chitosan, and also glutaraldehyde concentration. The results concluded that chitosan beads can be fruitful to remove color of effluents containing dyes and is able to improve water quality of effluents outflow from industries.
Authors and Affiliations
Vaishali . , Anuja Agarwal, Bhupendra Kumar Sharma
Keywords
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- EP ID EP394505
- DOI 10.9790/3008-1302035561
- Views 71
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