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Patrichi CAM, Cioroiu Tirpan DR, Aljanabi AAA, Trica B, Gifu IC, Dobre T. Extraction of Cellulose from Ulva lactuca Algae and Its Use for Membrane Synthesis. Polymers (Basel) 2023; 15:4673. [PMID: 38139925 PMCID: PMC10748162 DOI: 10.3390/polym15244673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/08/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023] Open
Abstract
Green algae are a sustainable source of biopolymers for the global demand due to their high photosynthetic efficiency. This article describes the extraction of cellulose from plant systems represented by Ulva lactuca species. In order to extract various substances, algae were finely ground with the help of solvents (liquid media). This was carried out to achieve the necessary conditions that help reduce the resistance this phase shows in regard to the transport and transfer of the species being extracted. The highest yield of extracted cellulose (20,944%) was obtained for the following factors: S/L = 1/20; conc. ethanol = 90%, conc. salts = 4 g/L. Hydrogel membranes are a unique class of macromolecular networks that contain a large fraction of aqueous solvent within their structure. With the cellulose extracted from algae, we obtained membranes which underwent the process of swelling in liquid media (ethyl alcohol) of different concentrations. The swelling of biocellulose membranes in alcoholic solutions of high concentrations was investigated. It was observed that the process of absorption of the alcoholic solution by the membrane occurred rapidly in the first part. After stabilization, the membranes continued to absorb at a slower rate until stabilization or saturation concentration was reached.
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Affiliation(s)
- Claudia Ana Maria Patrichi
- Chemical and Biochemical Engineering Department, University Politehnica of Bucharest, 1-6 Gheorghe Polizu, 011061 Bucharest, Romania; (B.T.); (I.C.G.); (T.D.)
| | - Doinita Roxana Cioroiu Tirpan
- Chemistry and Chemical Engineering Department, Ovidius University of Constanta,124 Mamaia Street, 900527 Constanta, Romania
| | - Ali A. Abbas Aljanabi
- Al Mussaib Technical College, Al-Furat Al-Awsat Technical University, Babylon P.O. Box 51006, Iraq;
| | - Bogdan Trica
- Chemical and Biochemical Engineering Department, University Politehnica of Bucharest, 1-6 Gheorghe Polizu, 011061 Bucharest, Romania; (B.T.); (I.C.G.); (T.D.)
- National Research & Development Institute for Chemistry and Petrochemistry, ICECHIM, Splaiul Independentei No. 202, 6th District, 060021 Bucharest, Romania
| | - Ioana Catalina Gifu
- Chemical and Biochemical Engineering Department, University Politehnica of Bucharest, 1-6 Gheorghe Polizu, 011061 Bucharest, Romania; (B.T.); (I.C.G.); (T.D.)
- National Research & Development Institute for Chemistry and Petrochemistry, ICECHIM, Splaiul Independentei No. 202, 6th District, 060021 Bucharest, Romania
| | - Tanase Dobre
- Chemical and Biochemical Engineering Department, University Politehnica of Bucharest, 1-6 Gheorghe Polizu, 011061 Bucharest, Romania; (B.T.); (I.C.G.); (T.D.)
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