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A novel biocoagulant agent from mushroom chitosan as water and wastewater therapy


Adnan, Oday and Zainal Abidin, Zurina and Idris, Azni and Kamarudin, Suryani and Al-Qubaisi, Mothanna Sadiq (2017) A novel biocoagulant agent from mushroom chitosan as water and wastewater therapy. Environmental Science and Pollution Research, 24 (24). 20104 - 20112. ISSN 0944-1344; ESSN: 1614-7499

Abstract / Synopsis

A new commercial cationic polyelectrolyte chitosan (CM), obtained from the waste of mushroom production, was examined using models of water and wastewater namely kaolin and palm oil mill effluent (pome). As it is biocompatible, widely available, and economically feasible, chitosan mushroom has high potential to be a suitable replacement for alum. Also, it can be a promising alternative to chitosan obtained traditionally from Crustaceans due to its higher zeta potential and homogeneity based on the raw material required for its production. A wide range of coagulant dose (5-60 mg l-1) and wastewater pH (2-12) were taken into account to find the optimal conditions of coagulation. The optimal doses are 10 and 20 mg l-1 at best pH (11 and 3) when treated with kaolin and palm oil mill effluent, respectively, while 1200 mg l-1 of alum was not enough to reach the efficiency of chitosan mushroom. On the other hand, the optimum dose of chitosan mushroom (20 mg l-1) at pH 3 of pome produced (75, 73, and 98%) removal of chemical oxygen demand (COD), biological oxygen demand (BOD), and total suspended solids (TSS), respectively. The significant potential of chitosan mushroom was proved by zeta potential measurement. Indeed, it possesses the highest zeta potential (+70 mV) as compared to the traditional chitosan produced from crustaceans. In short, chitosan mushroom as a biocoagulant is eco-friendly and it enhances water quality that meets the requirements of environmental conservatives.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number:
Publisher: Springer Verlag
Keywords: Biocoagulant; Chitosan; Coagulation; Wastewater; Water
Depositing User: Nida Hidayati Ghazali
Date Deposited: 02 Apr 2019 11:01
Last Modified: 02 Apr 2019 11:01
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