{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T09:59:38Z","timestamp":1792058378287,"version":"4.4.0"},"reference-count":115,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2022,3,28]],"date-time":"2022-03-28T00:00:00Z","timestamp":1648425600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Deanship of Scientific Research, Vice Presidency for Graduate Studies and Scientific Research, King Faisal University, Saudi Arabia","award":["Grant No 10"],"award-info":[{"award-number":["Grant No 10"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>The dried form of the brown seaweed Sargassum latifolium was tested for its ability to remove toxic Methylene Blue Dye (MBD) ions from aqueous synthetic solutions and industrial wastewater effluents. In a batch adsorption experiment, different initial concentrations of MBD (5, 10, 20, 30, and 40 mg L\u22121), sorbent dosages (0.025, 0.05, 0.1, 0.2, 0.3, 0.4, and 0.5 g L\u22121), contact time (5, 10, 15, 30, 60, 120 min), pH (3, 5, 8, 10, and 12), and temperature (30, 40, 50, 60 \u00b0C) were observed. Dried powder of S. latifolium was characterized before and after adsorption of MBD using different techniques, such as FTIR, SEM, UV visible spectral examination, and BET techniques. The BET surface area suggests the formation of S. latifolium was 111.65 m2 g\u22121, and the average pore size was 2.19 nm. The obtained results showed that at an MBD concentration of 40 mg L\u22121, the adsorption was rapid in the first 5, 10, and 15 min of contact time, and an equilibrium was reached in about 60 and 120 min for the adsorption. At the optimum temperature of 30 \u00b0C and the adsorbent dose of 0.1 g L\u22121, approximately 94.88% of MBD were removed. To find the best-fit isotherm model, the error function equations are applied to the isotherm model findings. Both Tempkin and Freundlich isotherm models could appropriate the equilibrium data, as well as the pseudo 2nd order kinetics model due to high correlation coefficients (R2). Thermodynamic and Freundlich model parameters were assessed and showed that the mechanism of the sorption process occurs by an endothermic and physical process. According to the results of the experiments, S. latifolium is a promising environmentally friendly approach for eliminating MBD from the aqueous solution that is also cost-effective. This technology could be useful in addressing the rising demand for adsorbents employed in environmental protection processes.<\/jats:p>","DOI":"10.3390\/polym14071375","type":"journal-article","created":{"date-parts":[[2022,3,29]],"date-time":"2022-03-29T21:41:30Z","timestamp":1648590090000},"page":"1375","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":70,"title":["Dried Brown Seaweed\u2019s Phytoremediation Potential for Methylene Blue Dye Removal from Aquatic Environments"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5963-5276","authenticated-orcid":false,"given":"Abdallah Tageldein","family":"Mansour","sequence":"first","affiliation":[{"name":"Animal and Fish Production Department, College of Agricultural and Food Sciences, King Faisal University, P.O. Box 420, Al-Ahsa 31982, Saudi Arabia"},{"name":"Fish and Animal Production Department, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria 21531, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed E.","family":"Alprol","sequence":"additional","affiliation":[{"name":"National Institute of Oceanography and Fisheries (NIOF), Cairo 11516, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khamael M.","family":"Abualnaja","sequence":"additional","affiliation":[{"name":"Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4433-2034","authenticated-orcid":false,"given":"Hossam S.","family":"El-Beltagi","sequence":"additional","affiliation":[{"name":"Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, P.O. Box 420, Al-Ahsa 31982, Saudi Arabia"},{"name":"Biochemistry Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0595-5394","authenticated-orcid":false,"given":"Khaled M. A.","family":"Ramadan","sequence":"additional","affiliation":[{"name":"Central Laboratories, Department of Chemistry, King Faisal University, P.O. Box 420, Al-Ahsa 31982, Saudi Arabia"},{"name":"Department of Biochemistry, Faculty of Agriculture, Ain Shams University, Cairo 11566, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1595-1197","authenticated-orcid":false,"given":"Mohamed","family":"Ashour","sequence":"additional","affiliation":[{"name":"National Institute of Oceanography and Fisheries (NIOF), Cairo 11516, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,3,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"102565","DOI":"10.1016\/j.jwpe.2022.102565","article-title":"Advanced wastewater treatment process using algal photo-bioreactor associated with dissolved-air flotation system: A pilot-scale demonstration","volume":"46","author":"Badawi","year":"2022","journal-title":"J. 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