Volume No. 5 Issue No.: 3 Page No.: 608-614 January-March 2011

 

REMOVAL OF CHROMIUM (III) FROM WASTE WATER USING Gossypium herbacium AS A BIOSORBENT

 

Rupal Sharma, Prabha Mehta1 and Gajanan Pandey*2

1. Department of Chemistry, Govt. Kamala Raja Girls College, Gwalior (INDIA)
2. Department of Applied Chemistry, Madhav Institute of Technology and Science, Gwalior (INDIA)

 

Received on : November 15, 2010

 

ABSTRACT

 

In this paper we report removal of Chromium (III) from waste water using flower of cotton plant, Gossypium herbaceum as a biosorbent, collected from Gwalior region. Flowers are dried at room temperature and crushed in electric grinder. The I.R. spectra of the biosorbent was recorded to determine the various organic functional groups present in order to study the mechanism of sorption experiments. The quantities of metal ion were measured by atomic absorption spectrophotometer and UV-Vis spectrophotometer. Batch experiments were performed and effect of the contact time, pH etc on the adsorption process were investigated. The isothermal studies were carried out with different doses of biosorbent in 50 ml synthetic waste water at different metal ion concentration. The initial pH of synthetic waste water was about 5 pH. The experimental results were examined using the Langmuir and Freuindlich isotherms to obtain the appropriate model. The isotherm was found to be well representing the measured sorption data. The goal for this research is to develop inexpensive, highly available, effective metal ion adsorbent from nature or alternative to existing conventional adsorbents.

 

Keywords : Biosorption, Gossypium herbaceum, Heavy metal ion, Kinetics, Isotherm

 

 

BACK