Development of Adsorbent Material from Tamarind-Seed Testa for Reactive Dye Adsorption

Abstract:

In this research, the adsorbent material was developed from the agricultural waste, tamarind-seed testa. The adsorption of 6 different reactive dyes viz. Procion Red H-E7B, Procion Yellow H-E4R, Procion Navy H-ER, Remazol Brilliant Red F3B gran, Remazol Yellow 3BS-A 150% and Remazol Black B 133%, on the adsorbent prepared from tamarind-seed testa was investigated. The chemical composition analysis showed that the major components in the tamarind-seed testa were lignin and carbohydrates (cellulose and hemicellulose). When the bleached tamarind-seed testa was used as an adsorbent, it was found to efficiently adsorb the reactive dyes at pH 2 without any assisting mechanical agitation. The reactive dye exhibiting ultimate adsorption on the adsorbent was Procion Navy H-ER (66.3 mg/g). A high rate of dye adsorbed capacity was noticed in the first hour and the equilibrium adsorption was reached within 3 hours.

• Periodical: Applied Mechanics and Materials (Volume 535)
• Pages: 650-653
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.535.650
• Online since: February 2014
• Authors: Podjanalak Chaiyapongputti, Porntip Tooptompong*, Jantip Setthayanond, Pacharamon Munsuwan
• Keywords: Absorbent Material, Adsorption, Reactive Dye, Tamarind-Seed Testa

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