Adsorption of Methylene Blue Using Tea Waste Treated with Alkaline-Potassium Hydroxide

Shariena, Shamsul Bahari and Fify Nursuhanti, Jahid and Yuen, Mei Lian and Ros Azlinawati, Ramli and Ling, Lee Siew (2022) Adsorption of Methylene Blue Using Tea Waste Treated with Alkaline-Potassium Hydroxide. In: Key Engineering Materials. Trans Tech Publications Ltd, Switzerland, pp. 59-69. ISBN 1662-9795

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Abstract

Textile dyes which are known to be poisonous, mutagenic, and carcinogenic to human health and the environment are found in water bodies, posing a severe environmental threat. The well-known adsorption approach, which uses low-cost agricultural waste as an adsorbent, has recently been extensively explored for water remediation. The ability of tea waste (Camellia Sinensis) species treated with alkaline-potassium hydroxide (KOH) to adsorb methylene blue (MB) dye from dye-contaminated wastewater was investigated. The influence of experimental parameters including pH, initial dye concentration and contact time, temperature and adsorbent dosages on the alkaline-KOH treated tea waste adsorption process were studied. SEM and FTIR were used to characterize the KOH treated tea waste adsorbent. The pH 10 condition was shown to be the best for attaining the highest percent of methylene blue removal. The optimal adsorption for methylene blue was greatly detected at 120 minutes of 100 mg/L. The removal of methylene blue was excellent at a temperature of 60o C and 0.1 g of KOH treated tea waste dose was chosen as the most favourable for the adsorption of methylene blue. Finally, the synthetic wastewater was examined under optimal conditions and recorded 97 % methylene blue removed.

Item Type:	Book Chapter
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	adsorbent, methylene blue, alkaline-treated tea waste
Subjects:	Q Science > QD Chemistry T Technology > TD Environmental technology. Sanitary engineering T Technology > TP Chemical technology
Faculty/Division:	Faculty of Industrial Sciences And Technology Institute of Postgraduate Studies
Depositing User:	Ts.ChM.Dr. Mei Lian Yuen
Date Deposited:	16 Nov 2023 02:29
Last Modified:	16 Nov 2023 02:29
URI:	http://umpir.ump.edu.my/id/eprint/39323
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