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Optimization of coag-flocculation processes of a newly synthesized quaternized oil palm empty fruit bunch cellulose by response surface methodology toward drinking water treatment process application

Mohtar, S. S. and Tengku Malim Busu, T. N. Z. and Md. Noor, A. M. and Shaari, N. and Yusoff, N. A. and Che Yunus, M. A. and Mat, H. (2017) Optimization of coag-flocculation processes of a newly synthesized quaternized oil palm empty fruit bunch cellulose by response surface methodology toward drinking water treatment process application. Clean Technologies and Environmental Policy, 19 (1). pp. 191-204. ISSN 1618-954X

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Abstract

An optimization of coagulation and flocculation of kaolin suspension by a newly synthesized quaternized oil palm empty fruit bunch cellulose denoted as a 9QC was investigated using the central composite design of the response surface methodology. The influences of coag-flocculant dosage, pH, and kaolin suspension on turbidity removal efficiency and sludge volume index responses were studied and assessed according to a 23full factorial design. The developed quadratic models revealed that the overall optimum values to obtain the highest performance of the responses were 62.5�mg/L of coag-flocculant dosage, pH 7, and 1400�mg/L of kaolin concentration. The predicted optimum responses were found to be in close proximity to the observed responses. The coag-flocculating of river water using 9QC carried out at the optimum values showed encouraging results as compared to alum which is commonly used in drinking water treatment process.

Item Type:Article
Uncontrolled Keywords:kaolin suspension, coag-flocculant dosage
Subjects:T Technology > TP Chemical technology
Divisions:Chemical Engineering
ID Code:75928
Deposited By: Widya Wahid
Deposited On:30 May 2018 12:11
Last Modified:30 May 2018 12:11

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