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Updated: Jan 26, 2026

Synthesis of Hydrogels with Antifouling Properties As Membranes for Water Purification
Published on: April 7, 2017
Silicon Carbide-Coated Ceramic Membrane Bioreactor for Sustainable Water Purification
Sowmya Surappanahalli Rajanna1, Gattumane Motappa Madhu2, Chengala Damodara Madhusoodana3
1Department of Chemical Engineering, Ramaiah Institute of Technology, Bengaluru, Karnataka 560054, India. sowmyasr@msrit.edu.
Abstract:
In the present study, a submerged ceramic membrane bioreactor was used to effectively treat industrial wastewater. The outcome of membrane coatings on the efficacy of the membrane was investigated using a silicon carbide (SiC) coating. The flux data obtained from the study were fitted into two mathematical models, namely, the standard pore blocking model (SPBM) and the complete pore plugging model (CPPM) in order to determine the fouling mechanism. It was observed that the SPBM fit with a minimum coefficient of regression of 0.95, suggesting that particles retained on the pore walls were smaller than the average size of membrane pores. An increase in dissolved oxygen (DO) of up to 225% was noted. The significant improvement of the water quality in terms of DO, chemical oxygen demand (COD) and turbidity of coated membrane emphasizes the fact that the membrane coating increases the efficacy of water treatment in membrane bioreactors.
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