SUSTAINABLE REMIDIATION OF COBALT ION FROM WASTER USING CELLULOSE ETHER-ESTER DERIVATIVES

The current research is focused on the development of a new and chemically modified-natural materials in uptake of a toxic heavy metal, i.e., cobalt ions in aqueous environment. Hydroxypropylcellulose (HPC) was chemically modified to adipate followed by its conversion to the sodic form (HEC-Adip-Na). Experiments with batch series of experiments were conducted to investigate the influence of the dosage of sorbent (10- 100 mg), pH (1-7), Co2+ concentration (20-160 mg/L), contact time (1-120 min), and temperature (298-338 K) on sorption capacity of sodic form of HEC. The maximum Co(II) removal from the ground water by HEC-Adip-Na was appeared at pH 6, sorbent dose 50 mg, metal ions concentration 80 mg/L, contact time 30 min, and temperature 298 K.