Ultrafiltration Membrane Modified by Mussel-Inspired Method and the Effect on Protein Solution Filtration

Ultrafiltration Membrane Modified by Mussel-Inspired Method and the Effect on Protein Solution Filtration

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Ingrid Ramalho Marques

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Jéssica Vardanega

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Mariane Carolina Proner

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Monique Juna Lopes Leite

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Angélica Lorenzetti

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Marco Di Luccio

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Ultrafiltration Membrane Modified by Mussel-Inspired Method and the Effect on Protein Solution Filtration

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Abstract

Ultrafiltration is a well established process in the food industry, especially in the dairy sector to isolate and concentrate whey proteins. However, the ultrafiltration has the disadvantage of fouling that causes reduction in permeate flux, and increasing operational costs. So, the use of antifouling strategies is of scientific and industrial interest. Among the studied strategies, the modification of the membrane surface by the mussel-inspired method stands out for its simplicity, versatility and stability. The musselinspired method is based on the code position of dopamine (DA) and hydrophilic polymers on the membrane surface. In this context, this study evaluates the performance of an ultrafiltration membrane modified (50 kDa) through immersion in a solution containing 2mg mL-1of DA e different concentrations (2, 4 and 16 mg mL-1) of polyvinylpyrrolidone (PVP).The modified and control membranes were submitted to water and protein filtration tests and characterized by contact angle.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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Not applicable for this article.

How to Cite This Article

ingrid_ramalho_marques. 2021. \u201cUltrafiltration Membrane Modified by Mussel-Inspired Method and the Effect on Protein Solution Filtration\u201d. Global Journal of Research in Engineering - C: Chemical Engineering GJRE-C Volume 21 (GJRE Volume 21 Issue C1).

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GJRE Volume 21 Issue C1

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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GJRE-C Classification FOR Code: 090802

Submission ReceivedDecember 15, 2020
Peer Review Double Blind
Handling Editor
Accepted January 1, 2021
Published January 15, 2021

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February 23, 2021

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