{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T13:22:57Z","timestamp":1779888177854,"version":"3.53.1"},"reference-count":60,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2025,6,10]],"date-time":"2025-06-10T00:00:00Z","timestamp":1749513600000},"content-version":"vor","delay-in-days":9,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["12475262"],"award-info":[{"award-number":["12475262"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Water Environment Research"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:label\/>\n                    <jats:p>Through precursor impregnation diffusion and in\u2010situ co\u2010precipitation methods, a quaternized polyaniline\u2010based composite material (HLAO\u2010PN) was synthesized using quaternized polyaniline (PN) as a carrier, hydrated lanthanum oxide LaOOH, and hydrated alumina AlOOH. The adsorption efficiency and mechanism of phosphate removal by HLAO\u2010PN were systematically studied. Characterization results from SEM, XPS, and FT\u2010IR revealed that HLAO\u2010PN exhibited an aggregated granular structure, with La and Al uniformly distributed on the PN carrier. The main mechanisms of phosphate adsorption by HLAO\u2010PN include electrostatic attraction, ion exchange, and ligand exchange. HLAO\u2010PN demonstrated stable and effective phosphate adsorption capacity across a pH range of 2.0\u20137.0, with a maximum adsorption capacity of 101.6\u00a0mg\/g at 308\u2009K. Furthermore, it showed strong anti\u2010interference capabilities in the presence of various coexisting substances. The dynamic adsorption experiments in a fixed\u2010bed system indicated that the effective treatment capacities of HLAO\u2010PN for phosphate during the first and second cycles were 2800 and 2650 bed volumes (BV), respectively (from 10.0\u00a0mg P\/L to below 0.5\u00a0mg P\/L). Moreover, the exhausted HLAO\u2010PN could be efficiently regenerated in situ by binary NaOH\/NaCl solution. After five adsorption\u2010regeneration cycles, the adsorption capacity of HLAO\u2010PN for phosphate was 70.64% of its initial adsorption capacity (93.87\u2009mg\/g). This study presents a novel chemical agent for enhancing phosphorus removal from wastewater.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Practitioner Points<\/jats:title>\n                    <jats:p>\n                      <jats:list list-type=\"bullet\">\n                        <jats:list-item>\n                          <jats:p>Composite material (HLAO\u2010PN) was synthesized for phosphate adsorption using quaternized polyaniline, LaOOH, and AlOOH.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>The adsorption capacity of HLAO\u2010PN reaches 101.60 mg\/g at 308 K.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>The main adsorption mechanisms of phosphate by HLAO\u2010PN are electrostatic attraction, ion exchange, and ligand exchange.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>The fixed bed dynamic adsorption of phosphate by HLAO\u2010PN was investigated which provides a reference for actual wastewater treatment.<\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/wer.70088","type":"journal-article","created":{"date-parts":[[2025,6,10]],"date-time":"2025-06-10T18:54:39Z","timestamp":1749581679000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Enhanced phosphate removal using hydrated lanthanum and aluminum oxides co\u2010modified quaternized polyaniline nanocomposite: Performance and mechanism"],"prefix":"10.1002","volume":"97","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2173-4970","authenticated-orcid":false,"given":"Haixia","family":"Wu","sequence":"first","affiliation":[{"name":"College of Urban Construction Nanjing Tech University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enhui","family":"Ji","sequence":"additional","affiliation":[{"name":"College of Urban Construction Nanjing Tech University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Biming","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Energy and Environment Anhui University of Technology  Ma Anshan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junze","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Urban Construction Nanjing Tech University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minglong","family":"Fang","sequence":"additional","affiliation":[{"name":"Architectural Design and Research Institute Co. 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