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Preparation of seaweed polysaccharide based hydrophobic composite membranes for the separation of oil/water emulsion and protein
Charotar Univ Sci & Technol, PD Patel Inst Appl Sci, Changa 388421, India.;CSIR Cent Salt & Marine Chem Res Inst, Nat Prod & Green Chem Div, GB Marg, Bhavnagar 364002, Gujarat, India..
CSIR Cent Salt & Marine Chem Res Inst, Membrane Sci & Separat Technol Div, GB Marg, Bhavnagar 364002, Gujarat, India..ORCID iD: 0000-0002-6586-952X
CSIR Cent Salt & Marine Chem Res Inst, Nat Prod & Green Chem Div, GB Marg, Bhavnagar 364002, Gujarat, India.;Acad Sci & Innovat Res AcSIR, Ghaziabad 201002, India..
CSIR Cent Salt & Marine Chem Res Inst, Membrane Sci & Separat Technol Div, GB Marg, Bhavnagar 364002, Gujarat, India..
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2022 (English)In: International Journal of Biological Macromolecules, ISSN 0141-8130, E-ISSN 1879-0003, Vol. 199, p. 36-41Article in journal (Refereed) Published
Abstract [en]

Agarose is a seaweed-based polysaccharide and is widely used for the separation of nucleic acids in molecular biology. Cross-linked agarose beads are also used as solid-phase matrices in size exclusion chromatography for the separation of proteins. To find the application of agarose for the separation of oil/water emulsion and protein, herein hydrophobic derivative of the seaweed biopolymer [M-W (1.27 +/- 0.17) x 10(-5) g/mol; sulphate content (0.29 +/- 0.09) %, gel strength (2242 +/- 21) g/cm(2)] is prepared by reacting the biopolymer with stearic acid and was used to prepare a composite membrane on polyester fabric. The oil and BSA rejection performance of the composite membrane was greater than 98%. The rejection rate increased with the increase in polymer content in the respective membranes for both oil/water and protein separation. The composite membrane showed a stable oil/water emulsion and protein separation performance over a period of six hours. Due to the biodegradable nature of the major components of the membrane, it has the potential for industrial applications.

Place, publisher, year, edition, pages
Elsevier BV , 2022. Vol. 199, p. 36-41
Keywords [en]
Agarose, Stearic acid, Oil/water emulsion, Protein, Composite membrane, Separation
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URN: urn:nbn:se:kth:diva-318182DOI: 10.1016/j.ijbiomac.2021.12.087ISI: 000849654200005PubMedID: 34971639Scopus ID: 2-s2.0-85122212683OAI: oai:DiVA.org:kth-318182DiVA, id: diva2:1696424
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QC 20220916

Available from: 2022-09-16 Created: 2022-09-16 Last updated: 2024-03-18Bibliographically approved

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Polisetti, Veerababu

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