Abstract
Among air and soil, water pollution is considered as an important one. Deterioration of water resources by the addition of various pollutants leads to the major threat to water quality and use of water for domestic purpose which leads to unaesthetic. For the plants, animals and human beings dyes are considered as most hazardous among various water pollutants. The present paper describes the adsorption behaviour of adsorbent almond husk with respect to dyes of Crystal violet, Bromocresol green, Pararosaniline and Victoria blue was investigated. The batch method was used and parameters like pH, adsorbent dosage, contact time and initial and final concentration of dyes were studied. Adsorbent used to be effective, with total removal of all dyes of 90%, with higher percentage removal from bromocresol green 97.5%, Crystal violet 96.9%, Pararosaniline 95.6% and Victoria blue 95%. Almond husk was an effective adsorbent with maximum percentage removal of 97.5% bromocresol green. Adsorbent was analysed by the instrument of scanning electron microscopy and Fourier infrared spectroscopy. In the present study almond husk almond husk was studied as a very good adsorbent for the removal of dyes from the aqueous media. Isotherm model of Langmuir, Freundlich and Dubinin-Radushkevich were considered to be favourable.
Highlights
Waste water from industries represents a challenge to biological and conventional physicochemical treatment methods considering for both effluent composition and volume of discharged[1]
The literature survey reveals that almond husk has not been used as an adsorbent for the synthetic dyes such as Crystal violet, Victoria blue, bromocresol green and pararosaniline
With different concentrations of dye solution (2, 4, 6, 8 and 10 ppm) were taken in five beakers with a constant dose of 0.25g adsorbent added to each and allowed the process to go at room temperature. 25ml samples of (2 to 10ppm) of dye solutions taken in five beakers and adsorbent of varying doses of 0.25g to 1.25g put in an increasing manner
Summary
Waste water from industries represents a challenge to biological and conventional physicochemical treatment methods considering for both effluent composition and volume of discharged[1]. The literature survey reveals that almond husk has not been used as an adsorbent for the synthetic dyes such as Crystal violet, Victoria blue, bromocresol green and pararosaniline. With different concentrations of dye solution (2, 4, 6, 8 and 10 ppm) were taken in five beakers with a constant dose of 0.25g adsorbent added to each and allowed the process to go at room temperature.
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