Study on removal of copper ions from aqueous phase by modified sepiolite flocs method
With the improvement of environmental protection and standards, the recovery and recycling of copper ions released from industrial wastewater discharge has aroused sufficient research interest. A new adsorbent (ABsep) derived from natural sepiolite (Sep) by modification technology of hexadecyltrimet...
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| Veröffentlicht in: | Environmental science and pollution research international 2022-10, Vol.29 (48), p.73492-73503 |
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| creator | Wei, Shanshan Wang, Li Wu, Yihai Liu, Hui |
| description | With the improvement of environmental protection and standards, the recovery and recycling of copper ions released from industrial wastewater discharge has aroused sufficient research interest. A new adsorbent (ABsep) derived from natural sepiolite (Sep) by modification technology of hexadecyltrimethoxysilane (HDTMS) or tetraethylorthosilicate (TEOS) and flocs separation method for adsorption of Cu
2+
in wastewater have been investigated in this paper. The changes of crystal structure and physicochemical properties of Sep during modification process showed that HDTMS and TEOS were loaded onto the Sep surface without inserting into the Sep interlayer structure. The adsorption experimental results presented a smaller amount of ABsep (1 g/L) achieved 97.5% removal of 50 mg/L Cu
2+
at pH 6 and temperature of 298 K within a shorter contact time (50 min). It is interesting the adsorption process of Cu
2+
on ABsep was spontaneous and exothermic, with physical adsorption dominating, as result of combination of physical adsorption, electrostatic gravitational force, and chemical reaction. Because of good physical–chemical adsorption performance of ABsep surface to Cu
2+
, high removal rates of Cu
2+
from aqueous phase could be achieved after three adsorption regeneration cycles, this indicated the ABsep was expected to be a promising adsorbent of Cu
2+
removal for wastewater treatment. |
| doi_str_mv | 10.1007/s11356-022-21045-9 |
| format | Article |
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2+
in wastewater have been investigated in this paper. The changes of crystal structure and physicochemical properties of Sep during modification process showed that HDTMS and TEOS were loaded onto the Sep surface without inserting into the Sep interlayer structure. The adsorption experimental results presented a smaller amount of ABsep (1 g/L) achieved 97.5% removal of 50 mg/L Cu
2+
at pH 6 and temperature of 298 K within a shorter contact time (50 min). It is interesting the adsorption process of Cu
2+
on ABsep was spontaneous and exothermic, with physical adsorption dominating, as result of combination of physical adsorption, electrostatic gravitational force, and chemical reaction. Because of good physical–chemical adsorption performance of ABsep surface to Cu
2+
, high removal rates of Cu
2+
from aqueous phase could be achieved after three adsorption regeneration cycles, this indicated the ABsep was expected to be a promising adsorbent of Cu
2+
removal for wastewater treatment.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-022-21045-9</identifier><identifier>PMID: 35624377</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Adsorbents ; Adsorption ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Chemical reactions ; Copper ; Crystal structure ; Earth and Environmental Science ; Ecotoxicology ; Electrostatic properties ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental protection ; Environmental science ; Exothermic reactions ; Gravity ; heat production ; Industrial wastes ; Industrial wastewater ; Interlayers ; Ions ; Physicochemical properties ; Research Article ; Sepiolite ; Surface chemistry ; temperature ; Waste Water Technology ; Wastewater discharges ; Wastewater treatment ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2022-10, Vol.29 (48), p.73492-73503</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022</rights><rights>2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.</rights><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c338t-4e089abf9c24262c5c4b70a0d8710faea3199d406d64574ce15d8bce34aac77c3</citedby><cites>FETCH-LOGICAL-c338t-4e089abf9c24262c5c4b70a0d8710faea3199d406d64574ce15d8bce34aac77c3</cites><orcidid>0000-0002-2192-5622</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-022-21045-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-022-21045-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35624377$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wei, Shanshan</creatorcontrib><creatorcontrib>Wang, Li</creatorcontrib><creatorcontrib>Wu, Yihai</creatorcontrib><creatorcontrib>Liu, Hui</creatorcontrib><title>Study on removal of copper ions from aqueous phase by modified sepiolite flocs method</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>With the improvement of environmental protection and standards, the recovery and recycling of copper ions released from industrial wastewater discharge has aroused sufficient research interest. A new adsorbent (ABsep) derived from natural sepiolite (Sep) by modification technology of hexadecyltrimethoxysilane (HDTMS) or tetraethylorthosilicate (TEOS) and flocs separation method for adsorption of Cu
2+
in wastewater have been investigated in this paper. The changes of crystal structure and physicochemical properties of Sep during modification process showed that HDTMS and TEOS were loaded onto the Sep surface without inserting into the Sep interlayer structure. The adsorption experimental results presented a smaller amount of ABsep (1 g/L) achieved 97.5% removal of 50 mg/L Cu
2+
at pH 6 and temperature of 298 K within a shorter contact time (50 min). It is interesting the adsorption process of Cu
2+
on ABsep was spontaneous and exothermic, with physical adsorption dominating, as result of combination of physical adsorption, electrostatic gravitational force, and chemical reaction. Because of good physical–chemical adsorption performance of ABsep surface to Cu
2+
, high removal rates of Cu
2+
from aqueous phase could be achieved after three adsorption regeneration cycles, this indicated the ABsep was expected to be a promising adsorbent of Cu
2+
removal for wastewater treatment.</description><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Chemical reactions</subject><subject>Copper</subject><subject>Crystal structure</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Electrostatic properties</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental protection</subject><subject>Environmental science</subject><subject>Exothermic reactions</subject><subject>Gravity</subject><subject>heat production</subject><subject>Industrial wastes</subject><subject>Industrial wastewater</subject><subject>Interlayers</subject><subject>Ions</subject><subject>Physicochemical properties</subject><subject>Research Article</subject><subject>Sepiolite</subject><subject>Surface chemistry</subject><subject>temperature</subject><subject>Waste Water Technology</subject><subject>Wastewater discharges</subject><subject>Wastewater treatment</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><issn>0944-1344</issn><issn>1614-7499</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqFkc1O3DAURq2qqDMMvACLylI33QSufxLHS4QoII3URcvacuwbCEri1E4qzdvj6UArsaArL3y-z_f6EHLG4JwBqIvEmCirAjgvOANZFvoDWbOKyUJJrT-SNWgpCyakXJHjlJ4AOGiuPpFVjnEplFqT-x_z4nc0jDTiEH7bnoaWujBNGGkXxkTbGAZqfy0YlkSnR5uQNjs6BN-1HXqacOpC381I2z64RAecH4M_IUet7ROevpwbcv_t-ufVbbH9fnN3dbktnBD1XEiEWtum1Y5LXnFXOtkosOBrxaC1aAXT2kuofCVLJR2y0teNQyGtdUo5sSFfD71TDHnENJuhSw773o77eQ1XXDBeQ172v2ilGFdl_rGMfnmDPoUljnmRXMg0lwq0yBQ_UC6GlCK2ZordYOPOMDB7P-bgx2Q_5o8fo3Po80v10gzo_0ZehWRAHICUr8YHjP_efqf2GSqImjQ</recordid><startdate>20221001</startdate><enddate>20221001</enddate><creator>Wei, 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on removal of copper ions from aqueous phase by modified sepiolite flocs method</title><author>Wei, Shanshan ; Wang, Li ; Wu, Yihai ; Liu, Hui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c338t-4e089abf9c24262c5c4b70a0d8710faea3199d406d64574ce15d8bce34aac77c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Adsorbents</topic><topic>Adsorption</topic><topic>Aquatic Pollution</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Chemical reactions</topic><topic>Copper</topic><topic>Crystal structure</topic><topic>Earth and Environmental Science</topic><topic>Ecotoxicology</topic><topic>Electrostatic properties</topic><topic>Environment</topic><topic>Environmental Chemistry</topic><topic>Environmental Health</topic><topic>Environmental protection</topic><topic>Environmental science</topic><topic>Exothermic 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Basic</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Environmental science and pollution research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wei, Shanshan</au><au>Wang, Li</au><au>Wu, Yihai</au><au>Liu, Hui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on removal of copper ions from aqueous phase by modified sepiolite flocs method</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2022-10-01</date><risdate>2022</risdate><volume>29</volume><issue>48</issue><spage>73492</spage><epage>73503</epage><pages>73492-73503</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>With the improvement of environmental protection and standards, the recovery and recycling of copper ions released from industrial wastewater discharge has aroused sufficient research interest. A new adsorbent (ABsep) derived from natural sepiolite (Sep) by modification technology of hexadecyltrimethoxysilane (HDTMS) or tetraethylorthosilicate (TEOS) and flocs separation method for adsorption of Cu
2+
in wastewater have been investigated in this paper. The changes of crystal structure and physicochemical properties of Sep during modification process showed that HDTMS and TEOS were loaded onto the Sep surface without inserting into the Sep interlayer structure. The adsorption experimental results presented a smaller amount of ABsep (1 g/L) achieved 97.5% removal of 50 mg/L Cu
2+
at pH 6 and temperature of 298 K within a shorter contact time (50 min). It is interesting the adsorption process of Cu
2+
on ABsep was spontaneous and exothermic, with physical adsorption dominating, as result of combination of physical adsorption, electrostatic gravitational force, and chemical reaction. Because of good physical–chemical adsorption performance of ABsep surface to Cu
2+
, high removal rates of Cu
2+
from aqueous phase could be achieved after three adsorption regeneration cycles, this indicated the ABsep was expected to be a promising adsorbent of Cu
2+
removal for wastewater treatment.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>35624377</pmid><doi>10.1007/s11356-022-21045-9</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-2192-5622</orcidid></addata></record> |
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| subjects | Adsorbents Adsorption Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Chemical reactions Copper Crystal structure Earth and Environmental Science Ecotoxicology Electrostatic properties Environment Environmental Chemistry Environmental Health Environmental protection Environmental science Exothermic reactions Gravity heat production Industrial wastes Industrial wastewater Interlayers Ions Physicochemical properties Research Article Sepiolite Surface chemistry temperature Waste Water Technology Wastewater discharges Wastewater treatment Water Management Water Pollution Control |
| title | Study on removal of copper ions from aqueous phase by modified sepiolite flocs method |
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