Research Article
Veterinary
STUDY ON REMOVAL OF CONGO RED DYE ONTO
CLEODENDRUM FRAGRANS LEAVES: OPTIMIZATION OF
PROCESS PARAMETERS USING RESPONSE SURFACE
METHODOLOGY (RSM)
The Objective of the present study is to remove Congo red (CR) dye onto
Cleodendrum fragrans leaves powder as biosorbent in a batch study. The effect
of process variables used were contact time, solution pH, initial CR dye
concentration, biosorbent dosage, average particle size of the biosorbent and
temperature. The kinetic, isotherm and Thermodynamic studies of removal of CR
dye onto Cleodendrum fragrans biosorbent were investigated. In the present
study Congo red dye uptake was found to be 13.31mg/g by using Cleodendrum
fragrans leaves as biosorbent. Response surface methodology (RSM) was
adopted to study the correlations among the process variables affecting the
process and to optimize the process to give high dye removal. The maximum
removal efficiency was predicted to be 93.54% at a temperature of 303.48 K,
solution pH of 3.99, initial dye concentration of 19.63 mg/L, biosorbent dosage
of 1.76 g.
