Retention Mechanisms of Citric Acid in Ternary Kaolinite-Fe(III)-Citrate Acid Systems Using Fe K-edge EXAFS and L3,2-edge XANES Spectroscopy.
Identifieur interne : 001745 ( PubMed/Checkpoint ); précédent : 001744; suivant : 001746Retention Mechanisms of Citric Acid in Ternary Kaolinite-Fe(III)-Citrate Acid Systems Using Fe K-edge EXAFS and L3,2-edge XANES Spectroscopy.
Auteurs : Jianjun Yang ; Jian Wang ; Weinan Pan ; Tom Regier ; Yongfeng Hu ; Cornelia Rumpel ; Nanthi Bolan [Australie] ; Donald SparksSource :
- Scientific reports [ 2045-2322 ] ; 2016.
Abstract
Organic carbon (OC) stability in tropical soils is strongly interlinked with multivalent cation interaction and mineral association. Low molecular weight organic acids (LMWOAs) represent the readily biodegradable OC. Therefore, investigating retention mechanisms of LMWOAs in mineral-cation-LMWOAs systems is critical to understanding soil C cycling. Given the general acidic conditions and dominance of kaolinite in tropical soils, we investigated the retention mechanisms of citric acid (CA) in kaolinite-Fe(III)-CA systems with various Fe/CA molar ratios at pH ~3.5 using Fe K-edge EXAFS and L3,2-edge XANES techniques. With Fe/CA molar ratios >2, the formed ferrihydrite mainly contributed to CA retention through adsorption and/or coprecipitation. With Fe/CA molar ratios from 2 to 0.5, ternary complexation of CA to kaolinite via a five-coordinated Fe(III) bridge retained higher CA than ferrihydrite-induced adsorption and/or coprecipitation. With Fe/CA molar ratios ≤0.5, kaolinite-Fe(III)-citrate complexation preferentially occurred, but less CA was retained than via outer-sphere kaolinite-CA complexation. This study highlighted the significant impact of varied Fe/CA molar ratios on CA retention mechanisms in kaolinite-Fe(III)-CA systems under acidic conditions, and clearly showed the important contribution of Fe-bridged ternary complexation on CA retention. These findings will enhance our understanding of the dynamics of CA and other LMWOAs in tropical soils.
DOI: 10.1038/srep26127
PubMed: 27212680
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Retention Mechanisms of Citric Acid in Ternary Kaolinite-Fe(III)-Citrate Acid Systems Using Fe K-edge EXAFS and L3,2-edge XANES Spectroscopy.</title><author><name sortKey="Yang, Jianjun" sort="Yang, Jianjun" uniqKey="Yang J" first="Jianjun" last="Yang">Jianjun Yang</name><affiliation><nlm:affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</nlm:affiliation><wicri:noCountry code="subField">19716</wicri:noCountry></affiliation></author><author><name sortKey="Wang, Jian" sort="Wang, Jian" uniqKey="Wang J" first="Jian" last="Wang">Jian Wang</name><affiliation><nlm:affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</nlm:affiliation><wicri:noCountry code="subField">S7N 2V3</wicri:noCountry></affiliation></author><author><name sortKey="Pan, Weinan" sort="Pan, Weinan" uniqKey="Pan W" first="Weinan" last="Pan">Weinan Pan</name><affiliation><nlm:affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</nlm:affiliation><wicri:noCountry code="subField">19716</wicri:noCountry></affiliation></author><author><name sortKey="Regier, Tom" sort="Regier, Tom" uniqKey="Regier T" first="Tom" last="Regier">Tom Regier</name><affiliation><nlm:affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</nlm:affiliation><wicri:noCountry code="subField">S7N 2V3</wicri:noCountry></affiliation></author><author><name sortKey="Hu, Yongfeng" sort="Hu, Yongfeng" uniqKey="Hu Y" first="Yongfeng" last="Hu">Yongfeng Hu</name><affiliation><nlm:affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</nlm:affiliation><wicri:noCountry code="subField">S7N 2V3</wicri:noCountry></affiliation></author><author><name sortKey="Rumpel, Cornelia" sort="Rumpel, Cornelia" uniqKey="Rumpel C" first="Cornelia" last="Rumpel">Cornelia Rumpel</name><affiliation><nlm:affiliation>CNRS, Institute of Ecology and Environment Paris, IEES, UMR (CNRS-INRA-UPMC-UPEC-IRD), Thiverval-Grignon, France, 78850.</nlm:affiliation><wicri:noCountry code="subField">78850</wicri:noCountry></affiliation></author><author><name sortKey="Bolan, Nanthi" sort="Bolan, Nanthi" uniqKey="Bolan N" first="Nanthi" last="Bolan">Nanthi Bolan</name><affiliation wicri:level="1"><nlm:affiliation>Global Centre for Environmental Remediation (GCER), University of Newcastle, NSW, 2308, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Global Centre for Environmental Remediation (GCER), University of Newcastle, NSW, 2308</wicri:regionArea><wicri:noRegion>2308</wicri:noRegion></affiliation></author><author><name sortKey="Sparks, Donald" sort="Sparks, Donald" uniqKey="Sparks D" first="Donald" last="Sparks">Donald Sparks</name><affiliation><nlm:affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</nlm:affiliation><wicri:noCountry code="subField">19716</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:27212680</idno><idno type="pmid">27212680</idno><idno type="doi">10.1038/srep26127</idno><idno type="wicri:Area/PubMed/Corpus">001F17</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001F17</idno><idno type="wicri:Area/PubMed/Curation">001E93</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">001E93</idno><idno type="wicri:Area/PubMed/Checkpoint">001E93</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">001E93</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Retention Mechanisms of Citric Acid in Ternary Kaolinite-Fe(III)-Citrate Acid Systems Using Fe K-edge EXAFS and L3,2-edge XANES Spectroscopy.</title><author><name sortKey="Yang, Jianjun" sort="Yang, Jianjun" uniqKey="Yang J" first="Jianjun" last="Yang">Jianjun Yang</name><affiliation><nlm:affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</nlm:affiliation><wicri:noCountry code="subField">19716</wicri:noCountry></affiliation></author><author><name sortKey="Wang, Jian" sort="Wang, Jian" uniqKey="Wang J" first="Jian" last="Wang">Jian Wang</name><affiliation><nlm:affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</nlm:affiliation><wicri:noCountry code="subField">S7N 2V3</wicri:noCountry></affiliation></author><author><name sortKey="Pan, Weinan" sort="Pan, Weinan" uniqKey="Pan W" first="Weinan" last="Pan">Weinan Pan</name><affiliation><nlm:affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</nlm:affiliation><wicri:noCountry code="subField">19716</wicri:noCountry></affiliation></author><author><name sortKey="Regier, Tom" sort="Regier, Tom" uniqKey="Regier T" first="Tom" last="Regier">Tom Regier</name><affiliation><nlm:affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</nlm:affiliation><wicri:noCountry code="subField">S7N 2V3</wicri:noCountry></affiliation></author><author><name sortKey="Hu, Yongfeng" sort="Hu, Yongfeng" uniqKey="Hu Y" first="Yongfeng" last="Hu">Yongfeng Hu</name><affiliation><nlm:affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</nlm:affiliation><wicri:noCountry code="subField">S7N 2V3</wicri:noCountry></affiliation></author><author><name sortKey="Rumpel, Cornelia" sort="Rumpel, Cornelia" uniqKey="Rumpel C" first="Cornelia" last="Rumpel">Cornelia Rumpel</name><affiliation><nlm:affiliation>CNRS, Institute of Ecology and Environment Paris, IEES, UMR (CNRS-INRA-UPMC-UPEC-IRD), Thiverval-Grignon, France, 78850.</nlm:affiliation><wicri:noCountry code="subField">78850</wicri:noCountry></affiliation></author><author><name sortKey="Bolan, Nanthi" sort="Bolan, Nanthi" uniqKey="Bolan N" first="Nanthi" last="Bolan">Nanthi Bolan</name><affiliation wicri:level="1"><nlm:affiliation>Global Centre for Environmental Remediation (GCER), University of Newcastle, NSW, 2308, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Global Centre for Environmental Remediation (GCER), University of Newcastle, NSW, 2308</wicri:regionArea><wicri:noRegion>2308</wicri:noRegion></affiliation></author><author><name sortKey="Sparks, Donald" sort="Sparks, Donald" uniqKey="Sparks D" first="Donald" last="Sparks">Donald Sparks</name><affiliation><nlm:affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</nlm:affiliation><wicri:noCountry code="subField">19716</wicri:noCountry></affiliation></author></analytic><series><title level="j">Scientific reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Organic carbon (OC) stability in tropical soils is strongly interlinked with multivalent cation interaction and mineral association. Low molecular weight organic acids (LMWOAs) represent the readily biodegradable OC. Therefore, investigating retention mechanisms of LMWOAs in mineral-cation-LMWOAs systems is critical to understanding soil C cycling. Given the general acidic conditions and dominance of kaolinite in tropical soils, we investigated the retention mechanisms of citric acid (CA) in kaolinite-Fe(III)-CA systems with various Fe/CA molar ratios at pH ~3.5 using Fe K-edge EXAFS and L3,2-edge XANES techniques. With Fe/CA molar ratios >2, the formed ferrihydrite mainly contributed to CA retention through adsorption and/or coprecipitation. With Fe/CA molar ratios from 2 to 0.5, ternary complexation of CA to kaolinite via a five-coordinated Fe(III) bridge retained higher CA than ferrihydrite-induced adsorption and/or coprecipitation. With Fe/CA molar ratios ≤0.5, kaolinite-Fe(III)-citrate complexation preferentially occurred, but less CA was retained than via outer-sphere kaolinite-CA complexation. This study highlighted the significant impact of varied Fe/CA molar ratios on CA retention mechanisms in kaolinite-Fe(III)-CA systems under acidic conditions, and clearly showed the important contribution of Fe-bridged ternary complexation on CA retention. These findings will enhance our understanding of the dynamics of CA and other LMWOAs in tropical soils.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">27212680</PMID><DateCreated><Year>2016</Year><Month>05</Month><Day>23</Day></DateCreated><DateRevised><Year>2017</Year><Month>02</Month><Day>20</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">2045-2322</ISSN><JournalIssue CitedMedium="Internet"><Volume>6</Volume><PubDate><Year>2016</Year><Month>May</Month><Day>23</Day></PubDate></JournalIssue><Title>Scientific reports</Title><ISOAbbreviation>Sci Rep</ISOAbbreviation></Journal><ArticleTitle>Retention Mechanisms of Citric Acid in Ternary Kaolinite-Fe(III)-Citrate Acid Systems Using Fe K-edge EXAFS and L3,2-edge XANES Spectroscopy.</ArticleTitle><Pagination><MedlinePgn>26127</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/srep26127</ELocationID><Abstract><AbstractText>Organic carbon (OC) stability in tropical soils is strongly interlinked with multivalent cation interaction and mineral association. Low molecular weight organic acids (LMWOAs) represent the readily biodegradable OC. Therefore, investigating retention mechanisms of LMWOAs in mineral-cation-LMWOAs systems is critical to understanding soil C cycling. Given the general acidic conditions and dominance of kaolinite in tropical soils, we investigated the retention mechanisms of citric acid (CA) in kaolinite-Fe(III)-CA systems with various Fe/CA molar ratios at pH ~3.5 using Fe K-edge EXAFS and L3,2-edge XANES techniques. With Fe/CA molar ratios >2, the formed ferrihydrite mainly contributed to CA retention through adsorption and/or coprecipitation. With Fe/CA molar ratios from 2 to 0.5, ternary complexation of CA to kaolinite via a five-coordinated Fe(III) bridge retained higher CA than ferrihydrite-induced adsorption and/or coprecipitation. With Fe/CA molar ratios ≤0.5, kaolinite-Fe(III)-citrate complexation preferentially occurred, but less CA was retained than via outer-sphere kaolinite-CA complexation. This study highlighted the significant impact of varied Fe/CA molar ratios on CA retention mechanisms in kaolinite-Fe(III)-CA systems under acidic conditions, and clearly showed the important contribution of Fe-bridged ternary complexation on CA retention. These findings will enhance our understanding of the dynamics of CA and other LMWOAs in tropical soils.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yang</LastName><ForeName>Jianjun</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Jian</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pan</LastName><ForeName>Weinan</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Regier</LastName><ForeName>Tom</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hu</LastName><ForeName>Yongfeng</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Canada, S7N 2V3.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rumpel</LastName><ForeName>Cornelia</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>CNRS, Institute of Ecology and Environment Paris, IEES, UMR (CNRS-INRA-UPMC-UPEC-IRD), Thiverval-Grignon, France, 78850.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bolan</LastName><ForeName>Nanthi</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Global Centre for Environmental Remediation (GCER), University of Newcastle, NSW, 2308, Australia.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Centre for Environmental Risk Assessment and Remediation (CERAR),University of South Australia, Mawson Lakes, Australia, SA 5095.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sparks</LastName><ForeName>Donald</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, USA, 19716.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>05</Month><Day>23</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Sci Rep</MedlineTA><NlmUniqueID>101563288</NlmUniqueID><ISSNLinking>2045-2322</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>J Am Chem Soc. 2003 Oct 22;125(42):12894-906</RefSource><PMID Version="1">14558838</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Environ Sci Technol. 2008 Aug 1;42(15):5449-54</RefSource><PMID Version="1">18754459</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Environ Sci Pollut Res Int. 2014 Feb;21(4):2943-54</RefSource><PMID Version="1">24170498</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Appl Environ Microbiol. 2010 Oct;76(19):6485-93</RefSource><PMID Version="1">20709838</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Anal Chem. 2011 Oct 15;83(20):7856-62</RefSource><PMID Version="1">21805976</PMID></CommentsCorrections><CommentsCorrections 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24;132(11):4006-15</RefSource><PMID Version="1">20187651</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Colloid Interface Sci. 2014 Oct 15;432:246-57</RefSource><PMID Version="1">25086719</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Sci Rep. 2015 Jun 10;5:11214</RefSource><PMID Version="1">26061259</PMID></CommentsCorrections></CommentsCorrectionsList><OtherID Source="NLM">PMC4876610</OtherID></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>02</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>04</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>5</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>5</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>5</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27212680</ArticleId><ArticleId IdType="pii">srep26127</ArticleId><ArticleId IdType="doi">10.1038/srep26127</ArticleId><ArticleId IdType="pmc">PMC4876610</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Australie</li></country></list><tree><noCountry><name sortKey="Hu, Yongfeng" sort="Hu, Yongfeng" uniqKey="Hu Y" first="Yongfeng" last="Hu">Yongfeng Hu</name><name sortKey="Pan, Weinan" sort="Pan, Weinan" uniqKey="Pan W" first="Weinan" last="Pan">Weinan Pan</name><name sortKey="Regier, Tom" sort="Regier, Tom" uniqKey="Regier T" first="Tom" last="Regier">Tom Regier</name><name sortKey="Rumpel, Cornelia" sort="Rumpel, Cornelia" uniqKey="Rumpel C" first="Cornelia" last="Rumpel">Cornelia Rumpel</name><name sortKey="Sparks, Donald" sort="Sparks, Donald" uniqKey="Sparks D" first="Donald" last="Sparks">Donald Sparks</name><name sortKey="Wang, Jian" sort="Wang, Jian" uniqKey="Wang J" first="Jian" last="Wang">Jian Wang</name><name sortKey="Yang, Jianjun" sort="Yang, Jianjun" uniqKey="Yang J" first="Jianjun" last="Yang">Jianjun Yang</name></noCountry><country name="Australie"><noRegion><name sortKey="Bolan, Nanthi" sort="Bolan, Nanthi" uniqKey="Bolan N" first="Nanthi" last="Bolan">Nanthi Bolan</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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