Antimony(V) Adsorption and Partitioning by Humic Acid-Modified Ferrihydrite: Insights into Environmental Remediation and Transformation Processes
Antimony (Sb) migration in soil and water systems is predominantly governed by its adsorption onto ferrihydrite (FH), a process strongly influenced by natural organic matter. This study investigates the adsorption behavior, stability, and mechanism of FH and FH-humic acid (FH-HA) complexes on Sb(V),...
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| description | Antimony (Sb) migration in soil and water systems is predominantly governed by its adsorption onto ferrihydrite (FH), a process strongly influenced by natural organic matter. This study investigates the adsorption behavior, stability, and mechanism of FH and FH-humic acid (FH-HA) complexes on Sb(V), along with the fate of adsorbed Sb(V) during FH aging. Batch adsorption experiments reveal that initial pH and concentration significantly influence Sb(V) sorption. Lower pH levels decrease adsorption, while higher concentrations enhance it. Sb(V) adsorption increases with prolonged contact time, with FH exhibiting a higher adsorption capacity than FH-HA complexes. Incorporating HA onto FH surfaces reduces reactive adsorption sites, decreasing Sb(V) adsorption. Adsorbed FH-HA complexes exhibit a higher specific surface area than co-precipitated FH-HA, demonstrating stronger Sb(V) adsorption capacity under various conditions. X-ray photoelectron spectroscopy (XPS) confirms that Sb(V) adsorption primarily occurs through ligand exchange, forming Fe-O-Sb complexes. HA inhibits the migration of Sb(V), thereby enhancing its retention within the FH and FH-HA complexes. During FH transformation, a portion of Sb(V) may replace Fe(III) within converted iron minerals. However, the combination of relatively high adsorption capacity and significantly lower desorption rates makes adsorbed FH-HA complexes promising candidates for sustained Sb adsorption over extended periods. These findings enhance our understanding of Sb(V) behavior and offer insights for effective remediation strategies in complex environmental systems. |
| doi_str_mv | 10.3390/ma17174172 |
| format | Article |
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This study investigates the adsorption behavior, stability, and mechanism of FH and FH-humic acid (FH-HA) complexes on Sb(V), along with the fate of adsorbed Sb(V) during FH aging. Batch adsorption experiments reveal that initial pH and concentration significantly influence Sb(V) sorption. Lower pH levels decrease adsorption, while higher concentrations enhance it. Sb(V) adsorption increases with prolonged contact time, with FH exhibiting a higher adsorption capacity than FH-HA complexes. Incorporating HA onto FH surfaces reduces reactive adsorption sites, decreasing Sb(V) adsorption. Adsorbed FH-HA complexes exhibit a higher specific surface area than co-precipitated FH-HA, demonstrating stronger Sb(V) adsorption capacity under various conditions. X-ray photoelectron spectroscopy (XPS) confirms that Sb(V) adsorption primarily occurs through ligand exchange, forming Fe-O-Sb complexes. HA inhibits the migration of Sb(V), thereby enhancing its retention within the FH and FH-HA complexes. During FH transformation, a portion of Sb(V) may replace Fe(III) within converted iron minerals. However, the combination of relatively high adsorption capacity and significantly lower desorption rates makes adsorbed FH-HA complexes promising candidates for sustained Sb adsorption over extended periods. These findings enhance our understanding of Sb(V) behavior and offer insights for effective remediation strategies in complex environmental systems.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma17174172</identifier><identifier>PMID: 39274562</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Acids ; Adsorption ; Antimony ; Carbon ; Humic acids ; Hydroxyapatite ; Influence ; Investigations ; Iron ; Mineralogy ; Minerals ; Nitrates ; Organic matter ; Photoelectrons ; Pollutants ; Remediation ; Retention ; Sediments ; Soil remediation ; Soil water ; Surface chemistry ; X ray photoelectron spectroscopy</subject><ispartof>Materials, 2024-08, Vol.17 (17), p.4172</ispartof><rights>2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-1295-3389</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39274562$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ding, Wei</creatorcontrib><creatorcontrib>Bao, Shenxu</creatorcontrib><creatorcontrib>Zhang, Yimin</creatorcontrib><creatorcontrib>Chen, Bo</creatorcontrib><creatorcontrib>Wang, Zhanhao</creatorcontrib><title>Antimony(V) Adsorption and Partitioning by Humic Acid-Modified Ferrihydrite: Insights into Environmental Remediation and Transformation Processes</title><title>Materials</title><addtitle>Materials (Basel)</addtitle><description>Antimony (Sb) migration in soil and water systems is predominantly governed by its adsorption onto ferrihydrite (FH), a process strongly influenced by natural organic matter. This study investigates the adsorption behavior, stability, and mechanism of FH and FH-humic acid (FH-HA) complexes on Sb(V), along with the fate of adsorbed Sb(V) during FH aging. Batch adsorption experiments reveal that initial pH and concentration significantly influence Sb(V) sorption. Lower pH levels decrease adsorption, while higher concentrations enhance it. Sb(V) adsorption increases with prolonged contact time, with FH exhibiting a higher adsorption capacity than FH-HA complexes. Incorporating HA onto FH surfaces reduces reactive adsorption sites, decreasing Sb(V) adsorption. Adsorbed FH-HA complexes exhibit a higher specific surface area than co-precipitated FH-HA, demonstrating stronger Sb(V) adsorption capacity under various conditions. X-ray photoelectron spectroscopy (XPS) confirms that Sb(V) adsorption primarily occurs through ligand exchange, forming Fe-O-Sb complexes. HA inhibits the migration of Sb(V), thereby enhancing its retention within the FH and FH-HA complexes. During FH transformation, a portion of Sb(V) may replace Fe(III) within converted iron minerals. However, the combination of relatively high adsorption capacity and significantly lower desorption rates makes adsorbed FH-HA complexes promising candidates for sustained Sb adsorption over extended periods. These findings enhance our understanding of Sb(V) behavior and offer insights for effective remediation strategies in complex environmental systems.</description><subject>Acids</subject><subject>Adsorption</subject><subject>Antimony</subject><subject>Carbon</subject><subject>Humic acids</subject><subject>Hydroxyapatite</subject><subject>Influence</subject><subject>Investigations</subject><subject>Iron</subject><subject>Mineralogy</subject><subject>Minerals</subject><subject>Nitrates</subject><subject>Organic matter</subject><subject>Photoelectrons</subject><subject>Pollutants</subject><subject>Remediation</subject><subject>Retention</subject><subject>Sediments</subject><subject>Soil remediation</subject><subject>Soil water</subject><subject>Surface chemistry</subject><subject>X ray photoelectron spectroscopy</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkMtKAzEUhoMottRufAAJuKmL0cllLnFXSmsLFYtUtyWTZNqUTlKTjDCP4Rs7pVXEszkXPn7-8wNwjeJ7Qlj8UHGUoYyiDJ-BLmIsjRCj9PzP3AF977dxW4SgHLNL0CEMZzRJcRd8DU3QlTXN4P0ODqW3bh-0NZAbCRfcBX3YtFnDooHTutICDoWW0bOVutRKwolyTm8a6XRQj3BmvF5vgofaBAvH5lM7ayplAt_BV1Upqfmv-tJx40vrquNp4axQ3it_BS5KvvOqf-o98DYZL0fTaP7yNBsN59Eex0mIElLQjJdEIcFzTpM4xxSJMkUJkyXOixLJXJA8SVOZSk5EpkQs4rKgNMVU4oz0wOCou3f2o1Y-rCrthdrtuFG29iuCYppQRJK8RW__oVtbO9O6O1CE5ayNv6VuTlRdtK-u9k5X3DWrn7DJN7djgvk</recordid><startdate>20240823</startdate><enddate>20240823</enddate><creator>Ding, Wei</creator><creator>Bao, Shenxu</creator><creator>Zhang, Yimin</creator><creator>Chen, Bo</creator><creator>Wang, Zhanhao</creator><general>MDPI AG</general><scope>NPM</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-1295-3389</orcidid></search><sort><creationdate>20240823</creationdate><title>Antimony(V) Adsorption and Partitioning by Humic Acid-Modified Ferrihydrite: Insights into Environmental Remediation and Transformation Processes</title><author>Ding, Wei ; Bao, Shenxu ; Zhang, Yimin ; Chen, Bo ; Wang, Zhanhao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p205t-53b47af3e1ca8a4508241cf6159df28bf1d8c38566d6da3c7ec0c0fb44624d273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Acids</topic><topic>Adsorption</topic><topic>Antimony</topic><topic>Carbon</topic><topic>Humic acids</topic><topic>Hydroxyapatite</topic><topic>Influence</topic><topic>Investigations</topic><topic>Iron</topic><topic>Mineralogy</topic><topic>Minerals</topic><topic>Nitrates</topic><topic>Organic matter</topic><topic>Photoelectrons</topic><topic>Pollutants</topic><topic>Remediation</topic><topic>Retention</topic><topic>Sediments</topic><topic>Soil remediation</topic><topic>Soil water</topic><topic>Surface chemistry</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ding, Wei</creatorcontrib><creatorcontrib>Bao, Shenxu</creatorcontrib><creatorcontrib>Zhang, Yimin</creatorcontrib><creatorcontrib>Chen, Bo</creatorcontrib><creatorcontrib>Wang, Zhanhao</creatorcontrib><collection>PubMed</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ding, Wei</au><au>Bao, Shenxu</au><au>Zhang, Yimin</au><au>Chen, Bo</au><au>Wang, Zhanhao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antimony(V) Adsorption and Partitioning by Humic Acid-Modified Ferrihydrite: Insights into Environmental Remediation and Transformation Processes</atitle><jtitle>Materials</jtitle><addtitle>Materials (Basel)</addtitle><date>2024-08-23</date><risdate>2024</risdate><volume>17</volume><issue>17</issue><spage>4172</spage><pages>4172-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>Antimony (Sb) migration in soil and water systems is predominantly governed by its adsorption onto ferrihydrite (FH), a process strongly influenced by natural organic matter. This study investigates the adsorption behavior, stability, and mechanism of FH and FH-humic acid (FH-HA) complexes on Sb(V), along with the fate of adsorbed Sb(V) during FH aging. Batch adsorption experiments reveal that initial pH and concentration significantly influence Sb(V) sorption. Lower pH levels decrease adsorption, while higher concentrations enhance it. Sb(V) adsorption increases with prolonged contact time, with FH exhibiting a higher adsorption capacity than FH-HA complexes. Incorporating HA onto FH surfaces reduces reactive adsorption sites, decreasing Sb(V) adsorption. Adsorbed FH-HA complexes exhibit a higher specific surface area than co-precipitated FH-HA, demonstrating stronger Sb(V) adsorption capacity under various conditions. X-ray photoelectron spectroscopy (XPS) confirms that Sb(V) adsorption primarily occurs through ligand exchange, forming Fe-O-Sb complexes. HA inhibits the migration of Sb(V), thereby enhancing its retention within the FH and FH-HA complexes. During FH transformation, a portion of Sb(V) may replace Fe(III) within converted iron minerals. However, the combination of relatively high adsorption capacity and significantly lower desorption rates makes adsorbed FH-HA complexes promising candidates for sustained Sb adsorption over extended periods. These findings enhance our understanding of Sb(V) behavior and offer insights for effective remediation strategies in complex environmental systems.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>39274562</pmid><doi>10.3390/ma17174172</doi><orcidid>https://orcid.org/0000-0003-1295-3389</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Acids Adsorption Antimony Carbon Humic acids Hydroxyapatite Influence Investigations Iron Mineralogy Minerals Nitrates Organic matter Photoelectrons Pollutants Remediation Retention Sediments Soil remediation Soil water Surface chemistry X ray photoelectron spectroscopy |
| title | Antimony(V) Adsorption and Partitioning by Humic Acid-Modified Ferrihydrite: Insights into Environmental Remediation and Transformation Processes |
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