{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T19:18:01Z","timestamp":1773775081568,"version":"3.50.1"},"reference-count":30,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T00:00:00Z","timestamp":1773705600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>Water pollution from the sugar industry is a significant environmental problem as it generates effluents containing organic compounds, solids, nutrients, and chemicals such as H3PO4, SO2, and Ca (OH)2. Mesoporous silica nanoparticles (MSNs) are a promising option for its treatment, due to their high surface area, and ease of functionalization using organically modified silanes (ORMOSIL) improving its adsorption of contaminants. The objective of this study is to remove anions (Cl\u2212, SO42\u2212, NO2\u2212, NO3\u2212) from the wastewater of a sugar mill in Campeche, Mexico and improve its physicochemical parameters (conductivity, turbidity, dissolved oxygen) using MSNs functionalized with 3-aminopropyltriethoxysilane (MSNs-APTES) or 3-(2-aminoethylamino)propyltrimethoxysilane (MSNs-3-2-A). The synthesized materials were characterized by FTIR and XPS analyses, which confirmed the incorporation of amino functional group and that MSNs-APTES exhibited a stronger N1s signal, indicating greater surface accessibility of amino groups. However, a partial surface masking under complex aqueous conditions was revealed. In contrast, MSNs-3-2-A showed lower apparent surface exposure of amino groups maintaining a more stable functional presence after exposure, likely due to its diamine structure promoting more confined interactions within the mesoporous framework. The results of removing anions and physicochemical parameters of wastewater exposed to MSNs indicate that treatments with MSNs-APTES and MSNs-3-2-A were able to significantly reduce the concentrations of SO42\u2212, NO2\u2212 and NO3\u2212 anions, but not able to reduce the chloride ion. A decrease in turbidity and an increase in dissolved oxygen were also observed. Then, both materials proved to be functional and stable in contact with wastewater, demonstrating their potential for environmental remediation, particularly for the removal of anionic contaminants from sugar industry effluents.<\/jats:p>","DOI":"10.3390\/nano16060368","type":"journal-article","created":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T16:20:14Z","timestamp":1773764414000},"page":"368","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Effect of the ORMOSIL Used for the Functionalization of MSNs in the Removal of Anionic Contaminants from Sugarcane Processing Wastewater"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3260-3020","authenticated-orcid":false,"given":"William A.","family":"Talavera-Pech","sequence":"first","affiliation":[{"name":"Instituto de Investigaci\u00f3n en Corrosi\u00f3n y Preservaci\u00f3n de Materiales, Universidad Aut\u00f3noma de Campeche, Av. H\u00e9roe de Nacozari 480, San Francisco de Campeche 24079, CAM, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3494-9508","authenticated-orcid":false,"given":"Carlos A.","family":"Chan-Keb","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias Qu\u00edmico-Biol\u00f3gicas, Universidad Aut\u00f3noma de Campeche, Avenida Ing. Humberto Lanz C\u00e1rdenas S\/N, Colonia Ex Hacienda Kal\u00e1, San Francisco de Campeche 24085, CAM, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c1ngel A.","family":"Bacelis-Jim\u00e9nez","sequence":"additional","affiliation":[{"name":"Facultad de Matem\u00e1ticas, Universidad Aut\u00f3noma de Yucat\u00e1n, Anillo Perif\u00e9rico Norte, Tablaje Catastral 13615, Colonia Chuburn\u00e1 Hidalgo Inn, M\u00e9rida 97119, YUC, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7360-4783","authenticated-orcid":false,"given":"Judith","family":"Ruiz-Hern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias Qu\u00edmico-Biol\u00f3gicas, Universidad Aut\u00f3noma de Campeche, Avenida Ing. Humberto Lanz C\u00e1rdenas S\/N, Colonia Ex Hacienda Kal\u00e1, San Francisco de Campeche 24085, CAM, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Valentina","family":"Aguilar-Melo","sequence":"additional","affiliation":[{"name":"Instituto de Investigaci\u00f3n en Corrosi\u00f3n y Preservaci\u00f3n de Materiales, Universidad Aut\u00f3noma de Campeche, Av. H\u00e9roe de Nacozari 480, San Francisco de Campeche 24079, CAM, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9717-4514","authenticated-orcid":false,"given":"Claudia M.","family":"Agraz-Hern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Instituto EPOMEX, Universidad Aut\u00f3noma de Campeche, Av. H\u00e9roe de Nacozari #480, Campus 6 de Investigaciones, San Francisco de Campeche 24029, CAM, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1979","DOI":"10.5377\/ribcc.v8i16.15041","article-title":"LE Los Residuos Generados En La Producci\u00f3n de La Industria Azucarera En Los \u00daltimos 25 A\u00f1os","volume":"8","author":"Ramos","year":"2022","journal-title":"Rev. Iberoam. Bioecon. Cambio Clim\u00e1tico"},{"key":"ref_2","unstructured":"Ordu\u00f1a Gayt\u00e1n, F., and Alvarado Lassman, A. (2023). Tratamiento H\u00edbrido de Aguas Residuales de la Industria Azucarera en un Biorreactor Anaerobio para la Producci\u00f3n de Biog\u00e1s Combinado con Sistemas Ecol\u00f3gicos. 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