Adsorption of Pb(II) in Water by Niobate/Titanate Nanoflakes
A niobate/titanat nanoflakes (Nb/TiNFs) composite was synthesized via the hydrothermal method and used to remove Pb(II) from water. XRD, TEM, and SEM results indicate that Nb/TiNFs appear as nanoflakes, of which the primary crystal phase is tri-titanate. Nb/TiNFs show rapid adsorption kinetics and t...
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| Veröffentlicht in: | Journal of Wuhan University of Technology. Materials science edition 2020-08, Vol.35 (4), p.726-732 |
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| creator | Ding, Qingwei Sui, Rui Liu, Xiaona Qian, Tianwei |
| description | A niobate/titanat nanoflakes (Nb/TiNFs) composite was synthesized via the hydrothermal method and used to remove Pb(II) from water. XRD, TEM, and SEM results indicate that Nb/TiNFs appear as nanoflakes, of which the primary crystal phase is tri-titanate. Nb/TiNFs show rapid adsorption kinetics and the result fits well with the pseudo-second order model. The key mechanism of adsorption is ion-exchange between metal and -ONa/H. According to the Langmuir isotherm model, the maximum capacity of Pb(II) is 488.323 mg·g
−1
. The relatively low
R
L
values indicate that Nb/TiNFs exhibit favorable adsorption of Pb(II). Nb/TiNFs indicate high adsorption capacity over a broad pH range. Co-existing inorganic ions (Na
+
and Ca
2+
) have a slight inhibition effect on adsorption, and HA moderately inhibits the adsorption of Pb(II) on Nb/TiNFs. Because of the simple method of synthesis and high removal efficiency for heavy metals, Nb/TiNFs are a promising material in remediation of heavy metal polluted water. |
| doi_str_mv | 10.1007/s11595-020-2314-5 |
| format | Article |
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−1
. The relatively low
R
L
values indicate that Nb/TiNFs exhibit favorable adsorption of Pb(II). Nb/TiNFs indicate high adsorption capacity over a broad pH range. Co-existing inorganic ions (Na
+
and Ca
2+
) have a slight inhibition effect on adsorption, and HA moderately inhibits the adsorption of Pb(II) on Nb/TiNFs. Because of the simple method of synthesis and high removal efficiency for heavy metals, Nb/TiNFs are a promising material in remediation of heavy metal polluted water.</description><identifier>ISSN: 1000-2413</identifier><identifier>EISSN: 1993-0437</identifier><identifier>DOI: 10.1007/s11595-020-2314-5</identifier><language>eng</language><publisher>Wuhan: Wuhan University of Technology</publisher><subject>Adsorption ; Advanced Materials ; Calcium ions ; Chemistry and Materials Science ; Heavy metals ; Hydrothermal crystal growth ; Ion exchange ; Lead ; Materials Science ; Niobates</subject><ispartof>Journal of Wuhan University of Technology. Materials science edition, 2020-08, Vol.35 (4), p.726-732</ispartof><rights>Wuhan University of Technology and Springer-Verlag GmbH Germany, Part of Springer Nature 2020</rights><rights>Wuhan University of Technology and Springer-Verlag GmbH Germany, Part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-e020789ca429584299775ff2648119349258066e50fa1ec344da9a0baf5bca103</citedby><cites>FETCH-LOGICAL-c316t-e020789ca429584299775ff2648119349258066e50fa1ec344da9a0baf5bca103</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/s11595-020-2314-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11595-020-2314-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Ding, Qingwei</creatorcontrib><creatorcontrib>Sui, Rui</creatorcontrib><creatorcontrib>Liu, Xiaona</creatorcontrib><creatorcontrib>Qian, Tianwei</creatorcontrib><title>Adsorption of Pb(II) in Water by Niobate/Titanate Nanoflakes</title><title>Journal of Wuhan University of Technology. Materials science edition</title><addtitle>J. Wuhan Univ. Technol.-Mat. Sci. Edit</addtitle><description>A niobate/titanat nanoflakes (Nb/TiNFs) composite was synthesized via the hydrothermal method and used to remove Pb(II) from water. XRD, TEM, and SEM results indicate that Nb/TiNFs appear as nanoflakes, of which the primary crystal phase is tri-titanate. Nb/TiNFs show rapid adsorption kinetics and the result fits well with the pseudo-second order model. The key mechanism of adsorption is ion-exchange between metal and -ONa/H. According to the Langmuir isotherm model, the maximum capacity of Pb(II) is 488.323 mg·g
−1
. The relatively low
R
L
values indicate that Nb/TiNFs exhibit favorable adsorption of Pb(II). Nb/TiNFs indicate high adsorption capacity over a broad pH range. Co-existing inorganic ions (Na
+
and Ca
2+
) have a slight inhibition effect on adsorption, and HA moderately inhibits the adsorption of Pb(II) on Nb/TiNFs. Because of the simple method of synthesis and high removal efficiency for heavy metals, Nb/TiNFs are a promising material in remediation of heavy metal polluted water.</description><subject>Adsorption</subject><subject>Advanced Materials</subject><subject>Calcium ions</subject><subject>Chemistry and Materials Science</subject><subject>Heavy metals</subject><subject>Hydrothermal crystal growth</subject><subject>Ion exchange</subject><subject>Lead</subject><subject>Materials Science</subject><subject>Niobates</subject><issn>1000-2413</issn><issn>1993-0437</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1UE1LAzEUDKJgrf4AbwEveoh9Lx-7G_BSxI9CqR4qHkN2m8jWuqnJ9tB_b8oKnry8N_Bm5g1DyCXCLQKUk4SotGLAgXGBkqkjMkKtBQMpyuOMAfJFojglZymtASSIohiRu-kqhbjt29DR4OlrfT2b3dC2o--2d5HWe7poQ53xZNn2tsuALmwX_MZ-unROTrzdJHfxu8fk7fFhef_M5i9Ps_vpnDUCi565nKqsdGMl16rKQ5el8p4XskLUQmquKigKp8BbdI2QcmW1hdp6VTcWQYzJ1eC7jeF751Jv1mEXu_zScCkBuIISMwsHVhNDStF5s43tl417g2AOJZmhJJPjmENJRmUNHzQpc7sPF_-c_xf9AFSJZnI</recordid><startdate>20200801</startdate><enddate>20200801</enddate><creator>Ding, Qingwei</creator><creator>Sui, Rui</creator><creator>Liu, Xiaona</creator><creator>Qian, Tianwei</creator><general>Wuhan University of Technology</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20200801</creationdate><title>Adsorption of Pb(II) in Water by Niobate/Titanate Nanoflakes</title><author>Ding, Qingwei ; Sui, Rui ; Liu, Xiaona ; Qian, Tianwei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-e020789ca429584299775ff2648119349258066e50fa1ec344da9a0baf5bca103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adsorption</topic><topic>Advanced Materials</topic><topic>Calcium ions</topic><topic>Chemistry and Materials Science</topic><topic>Heavy metals</topic><topic>Hydrothermal crystal growth</topic><topic>Ion exchange</topic><topic>Lead</topic><topic>Materials Science</topic><topic>Niobates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ding, Qingwei</creatorcontrib><creatorcontrib>Sui, Rui</creatorcontrib><creatorcontrib>Liu, Xiaona</creatorcontrib><creatorcontrib>Qian, Tianwei</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of Wuhan University of Technology. Materials science edition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ding, Qingwei</au><au>Sui, Rui</au><au>Liu, Xiaona</au><au>Qian, Tianwei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption of Pb(II) in Water by Niobate/Titanate Nanoflakes</atitle><jtitle>Journal of Wuhan University of Technology. Materials science edition</jtitle><stitle>J. Wuhan Univ. Technol.-Mat. Sci. Edit</stitle><date>2020-08-01</date><risdate>2020</risdate><volume>35</volume><issue>4</issue><spage>726</spage><epage>732</epage><pages>726-732</pages><issn>1000-2413</issn><eissn>1993-0437</eissn><abstract>A niobate/titanat nanoflakes (Nb/TiNFs) composite was synthesized via the hydrothermal method and used to remove Pb(II) from water. XRD, TEM, and SEM results indicate that Nb/TiNFs appear as nanoflakes, of which the primary crystal phase is tri-titanate. Nb/TiNFs show rapid adsorption kinetics and the result fits well with the pseudo-second order model. The key mechanism of adsorption is ion-exchange between metal and -ONa/H. According to the Langmuir isotherm model, the maximum capacity of Pb(II) is 488.323 mg·g
−1
. The relatively low
R
L
values indicate that Nb/TiNFs exhibit favorable adsorption of Pb(II). Nb/TiNFs indicate high adsorption capacity over a broad pH range. Co-existing inorganic ions (Na
+
and Ca
2+
) have a slight inhibition effect on adsorption, and HA moderately inhibits the adsorption of Pb(II) on Nb/TiNFs. Because of the simple method of synthesis and high removal efficiency for heavy metals, Nb/TiNFs are a promising material in remediation of heavy metal polluted water.</abstract><cop>Wuhan</cop><pub>Wuhan University of Technology</pub><doi>10.1007/s11595-020-2314-5</doi><tpages>7</tpages></addata></record> |
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| issn | 1000-2413 1993-0437 |
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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Adsorption Advanced Materials Calcium ions Chemistry and Materials Science Heavy metals Hydrothermal crystal growth Ion exchange Lead Materials Science Niobates |
| title | Adsorption of Pb(II) in Water by Niobate/Titanate Nanoflakes |
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