Manufacturing of antibiofouling polymeric membranes with bismuth-BAL chelate (BisBAL)

Suleyman OvezCivil Engineering Faculty, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, Tel. +90 543 726 98 90, Tel. +90 505 554 54 52, Tel. +90 554 521 36 37, Tel. +90 506 428 03 46, Tel. +90 537 563 90 31, Tel. +90 534 264 34 32, Tel. +90 536 977 93 67, Tel. +90 505 933 17 21;National Research Center on Membrane Technologies (MEM-TEK), Istanbul, TurkeyCorrespondence[email protected]

Turker TurkenCivil Engineering Faculty, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, Tel. +90 543 726 98 90, Tel. +90 505 554 54 52, Tel. +90 554 521 36 37, Tel. +90 506 428 03 46, Tel. +90 537 563 90 31, Tel. +90 534 264 34 32, Tel. +90 536 977 93 67, Tel. +90 505 933 17 21;National Research Center on Membrane Technologies (MEM-TEK), Istanbul, TurkeyCorrespondence[email protected]

Borte Kose-MutluCivil Engineering Faculty, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, Tel. +90 543 726 98 90, Tel. +90 505 554 54 52, Tel. +90 554 521 36 37, Tel. +90 506 428 03 46, Tel. +90 537 563 90 31, Tel. +90 534 264 34 32, Tel. +90 536 977 93 67, Tel. +90 505 933 17 21;National Research Center on Membrane Technologies (MEM-TEK), Istanbul, TurkeyCorrespondence[email protected]

Selin OkatanCivil Engineering Faculty, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, Tel. +90 543 726 98 90, Tel. +90 505 554 54 52, Tel. +90 554 521 36 37, Tel. +90 506 428 03 46, Tel. +90 537 563 90 31, Tel. +90 534 264 34 32, Tel. +90 536 977 93 67, Tel. +90 505 933 17 21;National Research Center on Membrane Technologies (MEM-TEK), Istanbul, TurkeyCorrespondence[email protected]

Gamze DurmazCivil Engineering Faculty, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, Tel. +90 543 726 98 90, Tel. +90 505 554 54 52, Tel. +90 554 521 36 37, Tel. +90 506 428 03 46, Tel. +90 537 563 90 31, Tel. +90 534 264 34 32, Tel. +90 536 977 93 67, Tel. +90 505 933 17 21;National Research Center on Membrane Technologies (MEM-TEK), Istanbul, TurkeyCorrespondence[email protected]

Mehmet C. GucluCivil Engineering Faculty, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, Tel. +90 543 726 98 90, Tel. +90 505 554 54 52, Tel. +90 554 521 36 37, Tel. +90 506 428 03 46, Tel. +90 537 563 90 31, Tel. +90 534 264 34 32, Tel. +90 536 977 93 67, Tel. +90 505 933 17 21;National Research Center on Membrane Technologies (MEM-TEK), Istanbul, TurkeyCorrespondence[email protected]

Serkan GucluCivil Engineering Faculty, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, Tel. +90 543 726 98 90, Tel. +90 505 554 54 52, Tel. +90 554 521 36 37, Tel. +90 506 428 03 46, Tel. +90 537 563 90 31, Tel. +90 534 264 34 32, Tel. +90 536 977 93 67, Tel. +90 505 933 17 21;National Research Center on Membrane Technologies (MEM-TEK), Istanbul, TurkeyCorrespondence[email protected]

Shankar ChellamCivil and Environmental Engineering Department, University of Houston, Houston, TexasCorrespondence[email protected]

Ismail KoyuncuCivil Engineering Faculty, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, Tel. +90 543 726 98 90, Tel. +90 505 554 54 52, Tel. +90 554 521 36 37, Tel. +90 506 428 03 46, Tel. +90 537 563 90 31, Tel. +90 534 264 34 32, Tel. +90 536 977 93 67, Tel. +90 505 933 17 21;National Research Center on Membrane Technologies (MEM-TEK), Istanbul, TurkeyCorrespondence[email protected]

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Abstract

Recent developments indicate an increase in demand of water supply and protection of natural water source quality with a requirement of advanced wastewater treatment systems. Formation of biofilms on the membrane surfaces and in the pores of membranes which are caused by extracellular polymeric substances and soluble microbial products has been identified as the main source of biofouling in membrane operation. The secretion of total polysaccharides and proteins by micro-organisms can be lowered when they are exposed to the bismuth-BAL chelate (BisBAL) at near minimum inhibition concentration. Our study aimed at controlling the population and co-products of micro-organisms that cause biofouling. After successful studies with the inhibition of Escherichia coli and Streptococcus pyogenes in activated sludge, BisBAL-containing membranes were fabricated. The effect of BisBAL on membrane performance was also observed. FTIR, SEM, contact angle, and surface roughness analyses were performed for the characterization of the membranes. Originality of this study comes from the usage of BisBAL for the first time for membrane synthesis.

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Acknowledgment

This study has been supported by TUBITAK (The Scientific and Technological Research Council of Turkey) Project with 111Y273 number.

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Manufacturing of antibiofouling polymeric membranes with bismuth-BAL chelate (BisBAL)

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Manufacturing of antibiofouling polymeric membranes with bismuth-BAL chelate (BisBAL)

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