Adsorption removal of fluoride from polluted drinking waters using Mn-Al-La oxide
Trimetal oxides have received high attention in treatment of fluoride-polluted drinking waters. In this study, Mn-Al-La (MAL) oxide with a mole ratio of 2:1:1 was successively prepared and characterized by XRD, FTIR, XPS, and TEM. It exhibited as cotton-like assemblages (500–800 nm of axial lengths)...
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| Veröffentlicht in: | Environmental science and pollution research international 2024-01, Vol.31 (5), p.7122-7137 |
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| description | Trimetal oxides have received high attention in treatment of fluoride-polluted drinking waters. In this study, Mn-Al-La (MAL) oxide with a mole ratio of 2:1:1 was successively prepared and characterized by XRD, FTIR, XPS, and TEM. It exhibited as cotton-like assemblages (500–800 nm of axial lengths), and BET specific surface area was 52 m
2
/g. It was used to study fluoride adsorptions in aqueous solutions by batch experiments, under different adsorbent/adsorbate levels, times, temperatures, pH and coexisting anions, and treat simulated groundwater (with 2.85 mg/L fluoride and pH 7.0) by batch and column tests. Adsorption data well fitted to pseudo-second-order rate model (
R
2
= 0.996–0.999), and Langmuir (
R
2
= 0.962 − 0.997) and Freundlich (
R
2
= 0.964–0.989) isothermal models. Their maximum adsorption capacities could reach 45–113 mg/g. Only H
2
PO
4
−
anions had a restrictive impact at pH 7.0, and there was a good removal ability at pH 3–9. Adsorption processes were spontaneous, endothermic, and random. Adsorption mechanisms were electrostatic interaction and ligand exchange at pH 7.0. Adsorption capacity could reach 73% of initial value at pH 7.0, after three cycles. All application data on the polluted groundwater treatments show MAL oxide is a potential adsorbent for fluoride removals. |
| doi_str_mv | 10.1007/s11356-023-31509-1 |
| format | Article |
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2
/g. It was used to study fluoride adsorptions in aqueous solutions by batch experiments, under different adsorbent/adsorbate levels, times, temperatures, pH and coexisting anions, and treat simulated groundwater (with 2.85 mg/L fluoride and pH 7.0) by batch and column tests. Adsorption data well fitted to pseudo-second-order rate model (
R
2
= 0.996–0.999), and Langmuir (
R
2
= 0.962 − 0.997) and Freundlich (
R
2
= 0.964–0.989) isothermal models. Their maximum adsorption capacities could reach 45–113 mg/g. Only H
2
PO
4
−
anions had a restrictive impact at pH 7.0, and there was a good removal ability at pH 3–9. Adsorption processes were spontaneous, endothermic, and random. Adsorption mechanisms were electrostatic interaction and ligand exchange at pH 7.0. Adsorption capacity could reach 73% of initial value at pH 7.0, after three cycles. All application data on the polluted groundwater treatments show MAL oxide is a potential adsorbent for fluoride removals.</description><identifier>ISSN: 1614-7499</identifier><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-023-31509-1</identifier><identifier>PMID: 38157167</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Adsorbents ; Adsorption ; Anions ; Aquatic Pollution ; Aqueous solutions ; Atmospheric Protection/Air Quality Control/Air Pollution ; Cotton ; Drinking ; Earth and Environmental Science ; Ecotoxicology ; Electrostatic properties ; Endothermic reactions ; Environment ; Environmental Chemistry ; Environmental Health ; Fluorides ; Groundwater ; Groundwater data ; Groundwater pollution ; Groundwater treatment ; pH effects ; Research Article ; Waste Water Technology ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2024-01, Vol.31 (5), p.7122-7137</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c326t-438fce84aa421a83d71c4096fe000b27834a5b79766b2a06aee201db44841b673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-023-31509-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-023-31509-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38157167$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Deng, Yilei</creatorcontrib><creatorcontrib>Wang, Shuyue</creatorcontrib><creatorcontrib>Shi, Kun</creatorcontrib><creatorcontrib>Xiong, Huixin</creatorcontrib><title>Adsorption removal of fluoride from polluted drinking waters using Mn-Al-La oxide</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>Trimetal oxides have received high attention in treatment of fluoride-polluted drinking waters. In this study, Mn-Al-La (MAL) oxide with a mole ratio of 2:1:1 was successively prepared and characterized by XRD, FTIR, XPS, and TEM. It exhibited as cotton-like assemblages (500–800 nm of axial lengths), and BET specific surface area was 52 m
2
/g. It was used to study fluoride adsorptions in aqueous solutions by batch experiments, under different adsorbent/adsorbate levels, times, temperatures, pH and coexisting anions, and treat simulated groundwater (with 2.85 mg/L fluoride and pH 7.0) by batch and column tests. Adsorption data well fitted to pseudo-second-order rate model (
R
2
= 0.996–0.999), and Langmuir (
R
2
= 0.962 − 0.997) and Freundlich (
R
2
= 0.964–0.989) isothermal models. Their maximum adsorption capacities could reach 45–113 mg/g. Only H
2
PO
4
−
anions had a restrictive impact at pH 7.0, and there was a good removal ability at pH 3–9. Adsorption processes were spontaneous, endothermic, and random. Adsorption mechanisms were electrostatic interaction and ligand exchange at pH 7.0. Adsorption capacity could reach 73% of initial value at pH 7.0, after three cycles. All application data on the polluted groundwater treatments show MAL oxide is a potential adsorbent for fluoride removals.</description><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Anions</subject><subject>Aquatic Pollution</subject><subject>Aqueous solutions</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Cotton</subject><subject>Drinking</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Electrostatic properties</subject><subject>Endothermic reactions</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Fluorides</subject><subject>Groundwater</subject><subject>Groundwater data</subject><subject>Groundwater pollution</subject><subject>Groundwater treatment</subject><subject>pH effects</subject><subject>Research Article</subject><subject>Waste Water Technology</subject><subject>Water 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Deng, Yilei</au><au>Wang, Shuyue</au><au>Shi, Kun</au><au>Xiong, Huixin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption removal of fluoride from polluted drinking waters using Mn-Al-La oxide</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2024-01-01</date><risdate>2024</risdate><volume>31</volume><issue>5</issue><spage>7122</spage><epage>7137</epage><pages>7122-7137</pages><issn>1614-7499</issn><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Trimetal oxides have received high attention in treatment of fluoride-polluted drinking waters. In this study, Mn-Al-La (MAL) oxide with a mole ratio of 2:1:1 was successively prepared and characterized by XRD, FTIR, XPS, and TEM. It exhibited as cotton-like assemblages (500–800 nm of axial lengths), and BET specific surface area was 52 m
2
/g. It was used to study fluoride adsorptions in aqueous solutions by batch experiments, under different adsorbent/adsorbate levels, times, temperatures, pH and coexisting anions, and treat simulated groundwater (with 2.85 mg/L fluoride and pH 7.0) by batch and column tests. Adsorption data well fitted to pseudo-second-order rate model (
R
2
= 0.996–0.999), and Langmuir (
R
2
= 0.962 − 0.997) and Freundlich (
R
2
= 0.964–0.989) isothermal models. Their maximum adsorption capacities could reach 45–113 mg/g. Only H
2
PO
4
−
anions had a restrictive impact at pH 7.0, and there was a good removal ability at pH 3–9. Adsorption processes were spontaneous, endothermic, and random. Adsorption mechanisms were electrostatic interaction and ligand exchange at pH 7.0. Adsorption capacity could reach 73% of initial value at pH 7.0, after three cycles. All application data on the polluted groundwater treatments show MAL oxide is a potential adsorbent for fluoride removals.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>38157167</pmid><doi>10.1007/s11356-023-31509-1</doi><tpages>16</tpages></addata></record> |
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| subjects | Adsorbents Adsorption Anions Aquatic Pollution Aqueous solutions Atmospheric Protection/Air Quality Control/Air Pollution Cotton Drinking Earth and Environmental Science Ecotoxicology Electrostatic properties Endothermic reactions Environment Environmental Chemistry Environmental Health Fluorides Groundwater Groundwater data Groundwater pollution Groundwater treatment pH effects Research Article Waste Water Technology Water Management Water Pollution Control |
| title | Adsorption removal of fluoride from polluted drinking waters using Mn-Al-La oxide |
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