SEQUESTERING ATTRIBUTES OF TYPHA LATIFOLIA AS A LOW COST BIOSORBENTFOR THE REMOVAL OF REACTIVE DYE (DB-K2RL) FROM AQUEOUS MEDIA

Abstract

Typha latifolia leaves have been exploited as low cost biosorbent for remediation ofaqueous media contaminated with the reactive dye Drimarene Blue K2RL (DB-K2RL) discharged fromtextile effluents. The effect of parameters such as initial concentration of dye, amount of bio-sorbent,initial pH, shaking time and speed were investigated to evaluate its sorption capacity. The maximumsorption was observed on adding 0.03 to 0.05 g mL–1sorbent at pH 2 at 200 rpm for 2 hr shaking time.The sorption efficiency of acid treated sorbent was also determined and its kinetic data was analyzedusing Freundlich and Langmuir models. The uptake capacity of both native sorbent and pretreatedbiosorbent was compared and it was found that pretreated biosorbent exhibited better sorption ability(qmax= 3.5 mg/g) as compared to the native biosorbent (qmax= 2.5mg/g).