Low-temperature hydrothermal synthesis of α-Fe/Fe3O4 nanocomposite for fast Congo red removal
A facile low-temperature hydrothermal process to synthesize α-Fe/Fe 3 O 4 nanocomposite is reported. TEM and HRTEM revealed that the α-Fe/Fe 3 O 4 nanocomposite was composed of catenulate α-Fe and lamellar structured Fe 3 O 4 . The weight ratio of α-Fe in the α-Fe/Fe 3 O 4 nanocomposite is 35.6%. Th...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2013-02, Vol.42 (7), p.2572-2579 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
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| creator | Wang, Lixia Li, Jianchen Wang, Zhitao Zhao, Lijun Jiang, Qing |
| description | A facile low-temperature hydrothermal process to synthesize α-Fe/Fe
3
O
4
nanocomposite is reported. TEM and HRTEM revealed that the α-Fe/Fe
3
O
4
nanocomposite was composed of catenulate α-Fe and lamellar structured Fe
3
O
4
. The weight ratio of α-Fe in the α-Fe/Fe
3
O
4
nanocomposite is 35.6%. The α-Fe/Fe
3
O
4
nanocomposite demonstrates an extremely high Congo red (CR) removal efficiency from waste water showing almost complete removal within 3 min. For 100 mg L
−1
of CR aqueous solution, the maximum CR removal can reach 1297.06 mg g
−1
. The large saturation magnetization (80.5 emu g
−1
) of the nanocomposite allows fast separation of α-Fe/Fe
3
O
4
nanoparticles loaded with CR from the liquid suspension. The synergistic effect of the nanocomposite may contribute to the enhanced CR removal ability, because the CR can be removed by reduction reaction and adsorption at the same time. Based on the degradation products identified by UV-Vis spectra, XRD and FTIR spectra, a possible degradation mechanism of CR on the α-Fe/Fe
3
O
4
composite was proposed. The significantly reduced treatment time required to remove the CR and the simple, low-cost and pollution-free preparation method make α-Fe/Fe
3
O
4
nanocomposite promising for highly efficient removal of dyes from waste water.
A facile low-temperature hydrothermal process to synthesize α-Fe/Fe
3
O
4
nanocomposite is reported. |
| doi_str_mv | 10.1039/c2dt32245e |
| format | Article |
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3
O
4
nanocomposite is reported. TEM and HRTEM revealed that the α-Fe/Fe
3
O
4
nanocomposite was composed of catenulate α-Fe and lamellar structured Fe
3
O
4
. The weight ratio of α-Fe in the α-Fe/Fe
3
O
4
nanocomposite is 35.6%. The α-Fe/Fe
3
O
4
nanocomposite demonstrates an extremely high Congo red (CR) removal efficiency from waste water showing almost complete removal within 3 min. For 100 mg L
−1
of CR aqueous solution, the maximum CR removal can reach 1297.06 mg g
−1
. The large saturation magnetization (80.5 emu g
−1
) of the nanocomposite allows fast separation of α-Fe/Fe
3
O
4
nanoparticles loaded with CR from the liquid suspension. The synergistic effect of the nanocomposite may contribute to the enhanced CR removal ability, because the CR can be removed by reduction reaction and adsorption at the same time. Based on the degradation products identified by UV-Vis spectra, XRD and FTIR spectra, a possible degradation mechanism of CR on the α-Fe/Fe
3
O
4
composite was proposed. The significantly reduced treatment time required to remove the CR and the simple, low-cost and pollution-free preparation method make α-Fe/Fe
3
O
4
nanocomposite promising for highly efficient removal of dyes from waste water.
A facile low-temperature hydrothermal process to synthesize α-Fe/Fe
3
O
4
nanocomposite is reported.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/c2dt32245e</identifier><identifier>PMID: 23223415</identifier><language>eng</language><publisher>England</publisher><subject>Adsorption ; Congo Red - isolation & purification ; Ferrosoferric Oxide - chemistry ; Iron - chemistry ; Nanocomposites - chemistry ; Particle Size ; Surface Properties ; Temperature ; Waste Water - chemistry</subject><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2013-02, Vol.42 (7), p.2572-2579</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27911,27912</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23223415$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Lixia</creatorcontrib><creatorcontrib>Li, Jianchen</creatorcontrib><creatorcontrib>Wang, Zhitao</creatorcontrib><creatorcontrib>Zhao, Lijun</creatorcontrib><creatorcontrib>Jiang, Qing</creatorcontrib><title>Low-temperature hydrothermal synthesis of α-Fe/Fe3O4 nanocomposite for fast Congo red removal</title><title>Dalton transactions : an international journal of inorganic chemistry</title><addtitle>Dalton Trans</addtitle><description>A facile low-temperature hydrothermal process to synthesize α-Fe/Fe
3
O
4
nanocomposite is reported. TEM and HRTEM revealed that the α-Fe/Fe
3
O
4
nanocomposite was composed of catenulate α-Fe and lamellar structured Fe
3
O
4
. The weight ratio of α-Fe in the α-Fe/Fe
3
O
4
nanocomposite is 35.6%. The α-Fe/Fe
3
O
4
nanocomposite demonstrates an extremely high Congo red (CR) removal efficiency from waste water showing almost complete removal within 3 min. For 100 mg L
−1
of CR aqueous solution, the maximum CR removal can reach 1297.06 mg g
−1
. The large saturation magnetization (80.5 emu g
−1
) of the nanocomposite allows fast separation of α-Fe/Fe
3
O
4
nanoparticles loaded with CR from the liquid suspension. The synergistic effect of the nanocomposite may contribute to the enhanced CR removal ability, because the CR can be removed by reduction reaction and adsorption at the same time. Based on the degradation products identified by UV-Vis spectra, XRD and FTIR spectra, a possible degradation mechanism of CR on the α-Fe/Fe
3
O
4
composite was proposed. The significantly reduced treatment time required to remove the CR and the simple, low-cost and pollution-free preparation method make α-Fe/Fe
3
O
4
nanocomposite promising for highly efficient removal of dyes from waste water.
A facile low-temperature hydrothermal process to synthesize α-Fe/Fe
3
O
4
nanocomposite is reported.</description><subject>Adsorption</subject><subject>Congo Red - isolation & purification</subject><subject>Ferrosoferric Oxide - chemistry</subject><subject>Iron - chemistry</subject><subject>Nanocomposites - chemistry</subject><subject>Particle Size</subject><subject>Surface Properties</subject><subject>Temperature</subject><subject>Waste Water - chemistry</subject><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp90L1OwzAQB3ALgWgpLOwgs7GE-it1MqKKAlKlLrASOfGZBiVxsB1QH4sX4Zmw1FI2htOddD-d9D-Ezim5oYTn04rpwBkTKRygMRVSJjnj4nA_s9kInXj_RghjJGXHaMQi54KmY_SytJ9JgLYHp8LgAK832tmwBteqBvtNF0dfe2wN_v5KFjBdAF8J3KnOVrbtra8DYGMdNsoHPLfdq8UOdKzWfqjmFB0Z1Xg42_UJel7cPc0fkuXq_nF-u0x6muUh4WkK3OgZxDhAjeIgSKZKU1ItmFSl5FTJmJBJzatMmQyI5kaWuSlVVuacT9D19m7v7PsAPhRt7StoGtWBHXxBmeQyl7NcRHq5o0PZgi56V7fKbYrfn0RwtQXOV_vt34-LXptoLv4z_AfOynne</recordid><startdate>20130221</startdate><enddate>20130221</enddate><creator>Wang, Lixia</creator><creator>Li, Jianchen</creator><creator>Wang, Zhitao</creator><creator>Zhao, Lijun</creator><creator>Jiang, Qing</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20130221</creationdate><title>Low-temperature hydrothermal synthesis of α-Fe/Fe3O4 nanocomposite for fast Congo red removal</title><author>Wang, Lixia ; Li, Jianchen ; Wang, Zhitao ; Zhao, Lijun ; Jiang, Qing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p189t-355e3fd6e039e1fa3e408abfb1d427ab731a722427d3c8af8e0d3f7b9fba8b933</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adsorption</topic><topic>Congo Red - isolation & purification</topic><topic>Ferrosoferric Oxide - chemistry</topic><topic>Iron - chemistry</topic><topic>Nanocomposites - chemistry</topic><topic>Particle Size</topic><topic>Surface Properties</topic><topic>Temperature</topic><topic>Waste Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Lixia</creatorcontrib><creatorcontrib>Li, Jianchen</creatorcontrib><creatorcontrib>Wang, Zhitao</creatorcontrib><creatorcontrib>Zhao, Lijun</creatorcontrib><creatorcontrib>Jiang, Qing</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Lixia</au><au>Li, Jianchen</au><au>Wang, Zhitao</au><au>Zhao, Lijun</au><au>Jiang, Qing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low-temperature hydrothermal synthesis of α-Fe/Fe3O4 nanocomposite for fast Congo red removal</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><addtitle>Dalton Trans</addtitle><date>2013-02-21</date><risdate>2013</risdate><volume>42</volume><issue>7</issue><spage>2572</spage><epage>2579</epage><pages>2572-2579</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>A facile low-temperature hydrothermal process to synthesize α-Fe/Fe
3
O
4
nanocomposite is reported. TEM and HRTEM revealed that the α-Fe/Fe
3
O
4
nanocomposite was composed of catenulate α-Fe and lamellar structured Fe
3
O
4
. The weight ratio of α-Fe in the α-Fe/Fe
3
O
4
nanocomposite is 35.6%. The α-Fe/Fe
3
O
4
nanocomposite demonstrates an extremely high Congo red (CR) removal efficiency from waste water showing almost complete removal within 3 min. For 100 mg L
−1
of CR aqueous solution, the maximum CR removal can reach 1297.06 mg g
−1
. The large saturation magnetization (80.5 emu g
−1
) of the nanocomposite allows fast separation of α-Fe/Fe
3
O
4
nanoparticles loaded with CR from the liquid suspension. The synergistic effect of the nanocomposite may contribute to the enhanced CR removal ability, because the CR can be removed by reduction reaction and adsorption at the same time. Based on the degradation products identified by UV-Vis spectra, XRD and FTIR spectra, a possible degradation mechanism of CR on the α-Fe/Fe
3
O
4
composite was proposed. The significantly reduced treatment time required to remove the CR and the simple, low-cost and pollution-free preparation method make α-Fe/Fe
3
O
4
nanocomposite promising for highly efficient removal of dyes from waste water.
A facile low-temperature hydrothermal process to synthesize α-Fe/Fe
3
O
4
nanocomposite is reported.</abstract><cop>England</cop><pmid>23223415</pmid><doi>10.1039/c2dt32245e</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1477-9226 |
| ispartof | Dalton transactions : an international journal of inorganic chemistry, 2013-02, Vol.42 (7), p.2572-2579 |
| issn | 1477-9226 1477-9234 |
| language | eng |
| recordid | cdi_rsc_primary_c2dt32245e |
| source | MEDLINE; Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Adsorption Congo Red - isolation & purification Ferrosoferric Oxide - chemistry Iron - chemistry Nanocomposites - chemistry Particle Size Surface Properties Temperature Waste Water - chemistry |
| title | Low-temperature hydrothermal synthesis of α-Fe/Fe3O4 nanocomposite for fast Congo red removal |
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