Study on the Adsorption of CuFe 2 O 4 -Loaded Corncob Biochar for Pb(II)
A series of the magnetic CuFe O -loaded corncob biochar (CuFe O @CCBC) materials was obtained by combining the two-step impregnation of the corncob biochar with the pyrolysis of oxalate. CuFe O @CCBC and the pristine corncob biochar (CCBC) were characterized using XRD, SEM, VSM, BET, as well as pH m...
Gespeichert in:
| Veröffentlicht in: | Molecules (Basel, Switzerland) Switzerland), 2020-07, Vol.25 (15) |
|---|---|
| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | 15 |
| container_start_page | |
| container_title | Molecules (Basel, Switzerland) |
| container_volume | 25 |
| creator | Zhao, Tianci Ma, Xiaolong Cai, Hao Ma, Zichuan Liang, Huifeng |
| description | A series of the magnetic CuFe
O
-loaded corncob biochar (CuFe
O
@CCBC) materials was obtained by combining the two-step impregnation of the corncob biochar with the pyrolysis of oxalate. CuFe
O
@CCBC and the pristine corncob biochar (CCBC) were characterized using XRD, SEM, VSM, BET, as well as pH
measurements. The results revealed that CuFe
O
had a face-centered cubic crystalline phase and was homogeneously coated on the surface of CCBC. The as-prepared CuFe
O
@CCBC(5%) demonstrated a specific surface area of 74.98 m
·g
, saturation magnetization of 5.75 emu·g
and pH
of 7.0. The adsorption dynamics and thermodynamic behavior of Pb(II) on CuFe
O
@CCBC and CCBC were investigated. The findings indicated that the pseudo-second kinetic and Langmuir equations suitably fitted the Pb(II) adsorption by CuFe
O
@CCBC or CCBC. At 30 °C and pH = 5.0, CuFe
O
@CCBC(5%) displayed an excellent performance in terms of the process rate and adsorption capacity towards Pb(II), for which the theoretical rate constant (k
) and maximum adsorption capacity (
) were 7.68 × 10
g·mg
·min
and 132.10 mg·g
separately, which were obviously higher than those of CCBC (4.38 × 10
g·mg
·min
and 15.66 mg·g
). The thermodynamic analyses exhibited that the adsorption reaction of the materials was endothermic and entropy-driven. The XPS and FTIR results revealed that the removal mechanism could be mainly attributed to the replacement of Pb
for H
in Fe/Cu-OH and -COOH to form the inner surface complexes. Overall, the magnetic CuFe
O
-loaded biochar presents a high potential for use as an eco-friendly adsorbent to eliminate the heavy metals from the wastewater streams. |
| format | Article |
| fullrecord | <record><control><sourceid>pubmed</sourceid><recordid>TN_cdi_pubmed_primary_32751355</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>32751355</sourcerecordid><originalsourceid>FETCH-pubmed_primary_327513553</originalsourceid><addsrcrecordid>eNqFjcsKgkAUQIcg0h6_EHdZC2GeRMuSxCAoqL2MzohGemVGF_59LWrd6nDgwJmQkElOI0HlPiBz75-UciaZmpFA8J1iQqmQpPd-MCNgC31l4WA8uq6vP4olxENigcMVJEQX1MYaiNG1BeZwrLGotIMSHdzyzfm8XZJpqV_err5ckHVyesRp1A15Y03WubrRbsx-a_E3eANICzYg</addsrcrecordid><sourcetype>Index Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Study on the Adsorption of CuFe 2 O 4 -Loaded Corncob Biochar for Pb(II)</title><source>MEDLINE</source><source>DOAJ Directory of Open Access Journals</source><source>MDPI - Multidisciplinary Digital Publishing Institute</source><source>EZB-FREE-00999 freely available EZB journals</source><source>PubMed Central</source><source>Free Full-Text Journals in Chemistry</source><creator>Zhao, Tianci ; Ma, Xiaolong ; Cai, Hao ; Ma, Zichuan ; Liang, Huifeng</creator><creatorcontrib>Zhao, Tianci ; Ma, Xiaolong ; Cai, Hao ; Ma, Zichuan ; Liang, Huifeng</creatorcontrib><description>A series of the magnetic CuFe
O
-loaded corncob biochar (CuFe
O
@CCBC) materials was obtained by combining the two-step impregnation of the corncob biochar with the pyrolysis of oxalate. CuFe
O
@CCBC and the pristine corncob biochar (CCBC) were characterized using XRD, SEM, VSM, BET, as well as pH
measurements. The results revealed that CuFe
O
had a face-centered cubic crystalline phase and was homogeneously coated on the surface of CCBC. The as-prepared CuFe
O
@CCBC(5%) demonstrated a specific surface area of 74.98 m
·g
, saturation magnetization of 5.75 emu·g
and pH
of 7.0. The adsorption dynamics and thermodynamic behavior of Pb(II) on CuFe
O
@CCBC and CCBC were investigated. The findings indicated that the pseudo-second kinetic and Langmuir equations suitably fitted the Pb(II) adsorption by CuFe
O
@CCBC or CCBC. At 30 °C and pH = 5.0, CuFe
O
@CCBC(5%) displayed an excellent performance in terms of the process rate and adsorption capacity towards Pb(II), for which the theoretical rate constant (k
) and maximum adsorption capacity (
) were 7.68 × 10
g·mg
·min
and 132.10 mg·g
separately, which were obviously higher than those of CCBC (4.38 × 10
g·mg
·min
and 15.66 mg·g
). The thermodynamic analyses exhibited that the adsorption reaction of the materials was endothermic and entropy-driven. The XPS and FTIR results revealed that the removal mechanism could be mainly attributed to the replacement of Pb
for H
in Fe/Cu-OH and -COOH to form the inner surface complexes. Overall, the magnetic CuFe
O
-loaded biochar presents a high potential for use as an eco-friendly adsorbent to eliminate the heavy metals from the wastewater streams.</description><identifier>EISSN: 1420-3049</identifier><identifier>PMID: 32751355</identifier><language>eng</language><publisher>Switzerland</publisher><subject>Adsorption ; Algorithms ; Cations - chemistry ; Charcoal - chemistry ; Copper - chemistry ; Ferrous Compounds - chemistry ; Hydrogen-Ion Concentration ; Kinetics ; Lead - chemistry ; Models, Chemical ; Osmolar Concentration ; Spectroscopy, Fourier Transform Infrared ; Thermodynamics ; X-Ray Diffraction</subject><ispartof>Molecules (Basel, Switzerland), 2020-07, Vol.25 (15)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-7998-1088</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32751355$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhao, Tianci</creatorcontrib><creatorcontrib>Ma, Xiaolong</creatorcontrib><creatorcontrib>Cai, Hao</creatorcontrib><creatorcontrib>Ma, Zichuan</creatorcontrib><creatorcontrib>Liang, Huifeng</creatorcontrib><title>Study on the Adsorption of CuFe 2 O 4 -Loaded Corncob Biochar for Pb(II)</title><title>Molecules (Basel, Switzerland)</title><addtitle>Molecules</addtitle><description>A series of the magnetic CuFe
O
-loaded corncob biochar (CuFe
O
@CCBC) materials was obtained by combining the two-step impregnation of the corncob biochar with the pyrolysis of oxalate. CuFe
O
@CCBC and the pristine corncob biochar (CCBC) were characterized using XRD, SEM, VSM, BET, as well as pH
measurements. The results revealed that CuFe
O
had a face-centered cubic crystalline phase and was homogeneously coated on the surface of CCBC. The as-prepared CuFe
O
@CCBC(5%) demonstrated a specific surface area of 74.98 m
·g
, saturation magnetization of 5.75 emu·g
and pH
of 7.0. The adsorption dynamics and thermodynamic behavior of Pb(II) on CuFe
O
@CCBC and CCBC were investigated. The findings indicated that the pseudo-second kinetic and Langmuir equations suitably fitted the Pb(II) adsorption by CuFe
O
@CCBC or CCBC. At 30 °C and pH = 5.0, CuFe
O
@CCBC(5%) displayed an excellent performance in terms of the process rate and adsorption capacity towards Pb(II), for which the theoretical rate constant (k
) and maximum adsorption capacity (
) were 7.68 × 10
g·mg
·min
and 132.10 mg·g
separately, which were obviously higher than those of CCBC (4.38 × 10
g·mg
·min
and 15.66 mg·g
). The thermodynamic analyses exhibited that the adsorption reaction of the materials was endothermic and entropy-driven. The XPS and FTIR results revealed that the removal mechanism could be mainly attributed to the replacement of Pb
for H
in Fe/Cu-OH and -COOH to form the inner surface complexes. Overall, the magnetic CuFe
O
-loaded biochar presents a high potential for use as an eco-friendly adsorbent to eliminate the heavy metals from the wastewater streams.</description><subject>Adsorption</subject><subject>Algorithms</subject><subject>Cations - chemistry</subject><subject>Charcoal - chemistry</subject><subject>Copper - chemistry</subject><subject>Ferrous Compounds - chemistry</subject><subject>Hydrogen-Ion Concentration</subject><subject>Kinetics</subject><subject>Lead - chemistry</subject><subject>Models, Chemical</subject><subject>Osmolar Concentration</subject><subject>Spectroscopy, Fourier Transform Infrared</subject><subject>Thermodynamics</subject><subject>X-Ray Diffraction</subject><issn>1420-3049</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFjcsKgkAUQIcg0h6_EHdZC2GeRMuSxCAoqL2MzohGemVGF_59LWrd6nDgwJmQkElOI0HlPiBz75-UciaZmpFA8J1iQqmQpPd-MCNgC31l4WA8uq6vP4olxENigcMVJEQX1MYaiNG1BeZwrLGotIMSHdzyzfm8XZJpqV_err5ckHVyesRp1A15Y03WubrRbsx-a_E3eANICzYg</recordid><startdate>20200729</startdate><enddate>20200729</enddate><creator>Zhao, Tianci</creator><creator>Ma, Xiaolong</creator><creator>Cai, Hao</creator><creator>Ma, Zichuan</creator><creator>Liang, Huifeng</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><orcidid>https://orcid.org/0000-0002-7998-1088</orcidid></search><sort><creationdate>20200729</creationdate><title>Study on the Adsorption of CuFe 2 O 4 -Loaded Corncob Biochar for Pb(II)</title><author>Zhao, Tianci ; Ma, Xiaolong ; Cai, Hao ; Ma, Zichuan ; Liang, Huifeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-pubmed_primary_327513553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adsorption</topic><topic>Algorithms</topic><topic>Cations - chemistry</topic><topic>Charcoal - chemistry</topic><topic>Copper - chemistry</topic><topic>Ferrous Compounds - chemistry</topic><topic>Hydrogen-Ion Concentration</topic><topic>Kinetics</topic><topic>Lead - chemistry</topic><topic>Models, Chemical</topic><topic>Osmolar Concentration</topic><topic>Spectroscopy, Fourier Transform Infrared</topic><topic>Thermodynamics</topic><topic>X-Ray Diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Tianci</creatorcontrib><creatorcontrib>Ma, Xiaolong</creatorcontrib><creatorcontrib>Cai, Hao</creatorcontrib><creatorcontrib>Ma, Zichuan</creatorcontrib><creatorcontrib>Liang, Huifeng</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><jtitle>Molecules (Basel, Switzerland)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Tianci</au><au>Ma, Xiaolong</au><au>Cai, Hao</au><au>Ma, Zichuan</au><au>Liang, Huifeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on the Adsorption of CuFe 2 O 4 -Loaded Corncob Biochar for Pb(II)</atitle><jtitle>Molecules (Basel, Switzerland)</jtitle><addtitle>Molecules</addtitle><date>2020-07-29</date><risdate>2020</risdate><volume>25</volume><issue>15</issue><eissn>1420-3049</eissn><abstract>A series of the magnetic CuFe
O
-loaded corncob biochar (CuFe
O
@CCBC) materials was obtained by combining the two-step impregnation of the corncob biochar with the pyrolysis of oxalate. CuFe
O
@CCBC and the pristine corncob biochar (CCBC) were characterized using XRD, SEM, VSM, BET, as well as pH
measurements. The results revealed that CuFe
O
had a face-centered cubic crystalline phase and was homogeneously coated on the surface of CCBC. The as-prepared CuFe
O
@CCBC(5%) demonstrated a specific surface area of 74.98 m
·g
, saturation magnetization of 5.75 emu·g
and pH
of 7.0. The adsorption dynamics and thermodynamic behavior of Pb(II) on CuFe
O
@CCBC and CCBC were investigated. The findings indicated that the pseudo-second kinetic and Langmuir equations suitably fitted the Pb(II) adsorption by CuFe
O
@CCBC or CCBC. At 30 °C and pH = 5.0, CuFe
O
@CCBC(5%) displayed an excellent performance in terms of the process rate and adsorption capacity towards Pb(II), for which the theoretical rate constant (k
) and maximum adsorption capacity (
) were 7.68 × 10
g·mg
·min
and 132.10 mg·g
separately, which were obviously higher than those of CCBC (4.38 × 10
g·mg
·min
and 15.66 mg·g
). The thermodynamic analyses exhibited that the adsorption reaction of the materials was endothermic and entropy-driven. The XPS and FTIR results revealed that the removal mechanism could be mainly attributed to the replacement of Pb
for H
in Fe/Cu-OH and -COOH to form the inner surface complexes. Overall, the magnetic CuFe
O
-loaded biochar presents a high potential for use as an eco-friendly adsorbent to eliminate the heavy metals from the wastewater streams.</abstract><cop>Switzerland</cop><pmid>32751355</pmid><orcidid>https://orcid.org/0000-0002-7998-1088</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 1420-3049 |
| ispartof | Molecules (Basel, Switzerland), 2020-07, Vol.25 (15) |
| issn | 1420-3049 |
| language | eng |
| recordid | cdi_pubmed_primary_32751355 |
| source | MEDLINE; DOAJ Directory of Open Access Journals; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Adsorption Algorithms Cations - chemistry Charcoal - chemistry Copper - chemistry Ferrous Compounds - chemistry Hydrogen-Ion Concentration Kinetics Lead - chemistry Models, Chemical Osmolar Concentration Spectroscopy, Fourier Transform Infrared Thermodynamics X-Ray Diffraction |
| title | Study on the Adsorption of CuFe 2 O 4 -Loaded Corncob Biochar for Pb(II) |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-01T12%3A49%3A53IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-pubmed&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Study%20on%20the%20Adsorption%20of%20CuFe%202%20O%204%20-Loaded%20Corncob%20Biochar%20for%20Pb(II)&rft.jtitle=Molecules%20(Basel,%20Switzerland)&rft.au=Zhao,%20Tianci&rft.date=2020-07-29&rft.volume=25&rft.issue=15&rft.eissn=1420-3049&rft_id=info:doi/&rft_dat=%3Cpubmed%3E32751355%3C/pubmed%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/32751355&rfr_iscdi=true |