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This study introduces a magnetic biochar composite (SB@MFO) synthesized from sugarcane bagasse and MnFe\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    for efficient NH\n                    <jats:sub>4<\/jats:sub>\n                    <jats:sup>+<\/jats:sup>\n                    removal.\n                  <\/jats:p>","DOI":"10.1039\/d6ra04526j","type":"journal-article","created":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T11:22:33Z","timestamp":1792149753000},"update-policy":"https:\/\/doi.org\/10.1039\/rsc_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Sugarcane bagasse-MnFe\n                    <sub>2<\/sub>\n                    O\n                    <sub>4<\/sub>\n                    magnetic biochar composite for ammonium removal: isotherms, kinetics, RSM optimization and machine learning prediction"],"prefix":"10.1039","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5619-2193","authenticated-orcid":false,"given":"Thuy-Tien","family":"Do","sequence":"first","affiliation":[{"name":"Department of Chemistry, Hanoi Pedagogical University 2, 32 Nguyen Van Linh, Xuan Hoa, Phu Tho, Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Phuong-Anh","family":"Nguyen","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Hanoi Pedagogical University 2, 32 Nguyen Van Linh, Xuan Hoa, Phu Tho, Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9584-8383","authenticated-orcid":false,"given":"Huu-Tap","family":"Van","sequence":"additional","affiliation":[{"name":"Center for Advanced Technology Development, Thai Nguyen University, Thai Nguyen, Vietnam"},{"name":"Institute for Excellence in Education and Research, Thai Nguyen University, Thai Nguyen, Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"292","published-online":{"date-parts":[[2026]]},"reference":[{"key":"D6RA04526J\/cit1\/1","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1016\/j.biortech.2012.08.005","volume":"124","author":"Heaven","year":"2012","journal-title":"Bioresour. 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