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- Publisher Website: 10.1016/S1001-0742(08)62343-8
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- PMID: 19803085
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Article: Sorption of Triton X-100 on soil organic matter fractions: Kinetics and isotherms
Title | Sorption of Triton X-100 on soil organic matter fractions: Kinetics and isotherms |
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Authors | |
Keywords | isotherms kinetics nonionic surfactant soil organic matters sorption Triton X-100 |
Issue Date | 2009 |
Publisher | I O S Press. The Journal's web site is located at http://www.iospress.nl/html/10010742.php |
Citation | Journal Of Environmental Sciences, 2009, v. 21 n. 6, p. 795-800 How to Cite? |
Abstract | Kinetics and isotherms of Triton X-100 sorption on soil, base-extracted soil (BE), humic acid (HA) and humin (HM) were investigated respectively to get better understanding on characteristics of the surfactant sorption onto different soil organic matters (SOMs). It was demonstrated that the kinetics results could be satisfactorily described by the pseudo-second order model. The half of the time to reach equilibrium (t 1/2) for different sorbents followed the sequence of soil > HA > BE > HM. Furthermore, the calculated equilibrium sorption capacity (C eq) was found in the sequence of HA > BE > HM > soil, which agreed well with the experimental results. The isotherms of Triton X-100 sorption on soil and HA could be well described by the S-type isotherm, but BE and HM by the L-type. The isotherms of all the four sorbents were found reasonably fitted to the Langmuir equation. The K d value, defined as the ratio of Triton X-100 in sorbent and in the equilibrium solution for given concentrations, generally followed the order of HM > HA > soil > BE. Separated HM and HA showed high affinity for Triton X-100, but the HA and HM in soil and BE were tightly bounded by the minerals. Thus, the HA on the soil surface might dominate the sorption, whereas the bounded HM would play a key role upon the surfactants being penetrated inside the soil. © 2009 The Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences. |
Persistent Identifier | http://hdl.handle.net/10722/168381 |
ISSN | 2023 Impact Factor: 5.9 2023 SCImago Journal Rankings: 1.422 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zhang, G | en_US |
dc.contributor.author | Hu, H | en_US |
dc.contributor.author | Sun, W | en_US |
dc.contributor.author | Ni, J | en_US |
dc.date.accessioned | 2012-10-08T03:18:14Z | - |
dc.date.available | 2012-10-08T03:18:14Z | - |
dc.date.issued | 2009 | en_US |
dc.identifier.citation | Journal Of Environmental Sciences, 2009, v. 21 n. 6, p. 795-800 | en_US |
dc.identifier.issn | 1001-0742 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/168381 | - |
dc.description.abstract | Kinetics and isotherms of Triton X-100 sorption on soil, base-extracted soil (BE), humic acid (HA) and humin (HM) were investigated respectively to get better understanding on characteristics of the surfactant sorption onto different soil organic matters (SOMs). It was demonstrated that the kinetics results could be satisfactorily described by the pseudo-second order model. The half of the time to reach equilibrium (t 1/2) for different sorbents followed the sequence of soil > HA > BE > HM. Furthermore, the calculated equilibrium sorption capacity (C eq) was found in the sequence of HA > BE > HM > soil, which agreed well with the experimental results. The isotherms of Triton X-100 sorption on soil and HA could be well described by the S-type isotherm, but BE and HM by the L-type. The isotherms of all the four sorbents were found reasonably fitted to the Langmuir equation. The K d value, defined as the ratio of Triton X-100 in sorbent and in the equilibrium solution for given concentrations, generally followed the order of HM > HA > soil > BE. Separated HM and HA showed high affinity for Triton X-100, but the HA and HM in soil and BE were tightly bounded by the minerals. Thus, the HA on the soil surface might dominate the sorption, whereas the bounded HM would play a key role upon the surfactants being penetrated inside the soil. © 2009 The Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences. | en_US |
dc.language | eng | en_US |
dc.publisher | I O S Press. The Journal's web site is located at http://www.iospress.nl/html/10010742.php | en_US |
dc.relation.ispartof | Journal of Environmental Sciences | en_US |
dc.subject | isotherms | - |
dc.subject | kinetics | - |
dc.subject | nonionic surfactant | - |
dc.subject | soil organic matters | - |
dc.subject | sorption | - |
dc.subject | Triton X-100 | - |
dc.subject.mesh | Adsorption | en_US |
dc.subject.mesh | Detergents - Chemistry | en_US |
dc.subject.mesh | Humic Substances | en_US |
dc.subject.mesh | Octoxynol | en_US |
dc.subject.mesh | Soil | en_US |
dc.subject.mesh | Soil Pollutants - Chemistry | en_US |
dc.title | Sorption of Triton X-100 on soil organic matter fractions: Kinetics and isotherms | en_US |
dc.type | Article | en_US |
dc.identifier.email | HU, H:haohu@hku.hk | en_US |
dc.identifier.authority | HU, H=rp00707 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/S1001-0742(08)62343-8 | en_US |
dc.identifier.pmid | 19803085 | - |
dc.identifier.scopus | eid_2-s2.0-66949164783 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-66949164783&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 21 | en_US |
dc.identifier.issue | 6 | en_US |
dc.identifier.spage | 795 | en_US |
dc.identifier.epage | 800 | en_US |
dc.identifier.isi | WOS:000266943600015 | - |
dc.publisher.place | Netherlands | en_US |
dc.identifier.scopusauthorid | ZHANG, G=7405270543 | en_US |
dc.identifier.scopusauthorid | HU, H=7404097564 | en_US |
dc.identifier.scopusauthorid | SUN, W=38962293800 | en_US |
dc.identifier.scopusauthorid | NI, J=7201636727 | en_US |
dc.identifier.issnl | 1001-0742 | - |