Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery

Applications of environmentally friendly and low-cost biomaterials for membrane preparation offer unparalleled advantages over traditional synthetic polymer membrane. Herein, a novel collagen/casein/chitosan composite material was designed to synthesize TFC membrane for acid recovery from acidic was...

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Main Authors: Xiao, Pei, Li, Xin, Li, Lei, Liu, Fei, Wang, Yi (Alex), Li, Jian
Other Authors: Nanyang Environment and Water Research Institute
Format: Journal Article
Language:English
Published: 2023
Subjects:
Online Access:https://hdl.handle.net/10356/170106
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author Xiao, Pei
Li, Xin
Li, Lei
Liu, Fei
Wang, Yi (Alex)
Li, Jian
author2 Nanyang Environment and Water Research Institute
author_facet Nanyang Environment and Water Research Institute
Xiao, Pei
Li, Xin
Li, Lei
Liu, Fei
Wang, Yi (Alex)
Li, Jian
author_sort Xiao, Pei
collection NTU
description Applications of environmentally friendly and low-cost biomaterials for membrane preparation offer unparalleled advantages over traditional synthetic polymer membrane. Herein, a novel collagen/casein/chitosan composite material was designed to synthesize TFC membrane for acid recovery from acidic waste stream. A vacuum filtration method was used to precious adjust the thickness of the functional layer while glutaraldehyde was adopted as crosslinking agent to preserve surface charge property of anion-exchange membranes (AEM) at acidic conditions. The electrostatic interactions and hydrogen bonding of these biopolymers endowed the TFC membrane with enhanced stability. At optimized conditions with 0.15 mL collagen/casein/chitosan composites decoration, the TFC membrane with a functional layer thickness of around 628.4 nm exhibited an excellent acid permeance (UH+ = 0.034 m h−1) and a high H+/ Fe2+ separation factor up to 33.8. This facile strategy provides a useful guideline for constructing highly efficient TFC membrane for acid recovery and broadens the application of biomaterials for membrane application at harsh environments.
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spelling ntu-10356/1701062023-08-29T06:44:21Z Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery Xiao, Pei Li, Xin Li, Lei Liu, Fei Wang, Yi (Alex) Li, Jian Nanyang Environment and Water Research Institute Singapore Membrane Technology Centre Engineering::Environmental engineering Acid Recovery Diffusion Dialysis Applications of environmentally friendly and low-cost biomaterials for membrane preparation offer unparalleled advantages over traditional synthetic polymer membrane. Herein, a novel collagen/casein/chitosan composite material was designed to synthesize TFC membrane for acid recovery from acidic waste stream. A vacuum filtration method was used to precious adjust the thickness of the functional layer while glutaraldehyde was adopted as crosslinking agent to preserve surface charge property of anion-exchange membranes (AEM) at acidic conditions. The electrostatic interactions and hydrogen bonding of these biopolymers endowed the TFC membrane with enhanced stability. At optimized conditions with 0.15 mL collagen/casein/chitosan composites decoration, the TFC membrane with a functional layer thickness of around 628.4 nm exhibited an excellent acid permeance (UH+ = 0.034 m h−1) and a high H+/ Fe2+ separation factor up to 33.8. This facile strategy provides a useful guideline for constructing highly efficient TFC membrane for acid recovery and broadens the application of biomaterials for membrane application at harsh environments. This work was supported by the National Natural Science Foundation of China (Grant Nos: 21908076). 2023-08-28T06:01:27Z 2023-08-28T06:01:27Z 2023 Journal Article Xiao, P., Li, X., Li, L., Liu, F., Wang, Y. (. & Li, J. (2023). Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery. Desalination, 558, 116627-. https://dx.doi.org/10.1016/j.desal.2023.116627 0011-9164 https://hdl.handle.net/10356/170106 10.1016/j.desal.2023.116627 2-s2.0-85153373943 558 116627 en Desalination © 2023 Published by Elsevier B. V. All rights reserved.
spellingShingle Engineering::Environmental engineering
Acid Recovery
Diffusion Dialysis
Xiao, Pei
Li, Xin
Li, Lei
Liu, Fei
Wang, Yi (Alex)
Li, Jian
Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery
title Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery
title_full Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery
title_fullStr Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery
title_full_unstemmed Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery
title_short Bio-functional collagen/casein/chitosan scaffolds regulated porous TFC membrane for acid recovery
title_sort bio functional collagen casein chitosan scaffolds regulated porous tfc membrane for acid recovery
topic Engineering::Environmental engineering
Acid Recovery
Diffusion Dialysis
url https://hdl.handle.net/10356/170106
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