PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier
This study applied electrokinetic (EK) in situ soil remediation for perfluorooctanoic acid (PFOA) removal from kaolinite soil. The kaolinite soil was spiked with 10 mg/kg PFOA for the EK treatment using Sodium Cholate bio-surfactant coupled with Activated Carbon (AC) or iron-coated Activated Carbon...
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| مؤلفون آخرون: | , , , , , , , |
| التنسيق: | article |
| منشور في: |
2024
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| الوصول للمادة أونلاين: | http://dx.doi.org/10.1016/j.jconhyd.2024.104425 https://www.sciencedirect.com/science/article/pii/S0169772224001293 http://hdl.handle.net/10576/64283 |
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| _version_ | 1857415085963608064 |
|---|---|
| author | Ganbat, Namuun |
| author2 | Altaee, Ali Hamdi, Faris M. Zhou, John Chowdhury, Mahedy Hasan Zaidi, Syed Javaid Samal, Akshaya K. Almalki, Raed Tapas, Marie Joshua |
| author2_role | author author author author author author author author |
| author_facet | Ganbat, Namuun Altaee, Ali Hamdi, Faris M. Zhou, John Chowdhury, Mahedy Hasan Zaidi, Syed Javaid Samal, Akshaya K. Almalki, Raed Tapas, Marie Joshua |
| author_role | author |
| dc.creator.none.fl_str_mv | Ganbat, Namuun Altaee, Ali Hamdi, Faris M. Zhou, John Chowdhury, Mahedy Hasan Zaidi, Syed Javaid Samal, Akshaya K. Almalki, Raed Tapas, Marie Joshua |
| dc.date.none.fl_str_mv | 2024-11-30 2025-04-20T05:39:21Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://dx.doi.org/10.1016/j.jconhyd.2024.104425 01697722 https://www.sciencedirect.com/science/article/pii/S0169772224001293 http://hdl.handle.net/10576/64283 267 1873-6009 |
| dc.language.none.fl_str_mv | en |
| dc.publisher.none.fl_str_mv | Elsevier |
| dc.rights.none.fl_str_mv | http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
| dc.subject.none.fl_str_mv | PFOA remediation Soil decontamination Electrokinetic Surfactant enhancement |
| dc.title.none.fl_str_mv | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier |
| dc.type.none.fl_str_mv | Article info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
| description | This study applied electrokinetic (EK) in situ soil remediation for perfluorooctanoic acid (PFOA) removal from kaolinite soil. The kaolinite soil was spiked with 10 mg/kg PFOA for the EK treatment using Sodium Cholate bio-surfactant coupled with Activated Carbon (AC) or iron-coated Activated Carbon (FeAC) permeable reactive barrier (PRB). The study also evaluated the impact of AC and FeAC PRBs' position on the EK process performance. In the EK with the PRB in the middle section, PFOA removal from kaolinite was 52.35 % in the AC-EK tests and 59.55 % in the FeAC-EK. Experimental results showed the accumulation of PFOA near the cathode region in FeAC PRB tests, hypothesising that Fe from the PRB formed a complex with PFOA ions and transported it to the cathode region. Spent PRBs were regenerated with methanol for PFOA extraction and reuse in the EK experiments. Although FeAC PRB achieved better PFOA removal than AC PRB, the EK tests with regenerated AC-EK and FeAC-EK PRBs achieved 40.37 % and 20.62 % PFOA removal. For EK with FeAC PRB near the anode, PFOA removal was 21.96 %. Overall, using PRB in conjunction with the EK process can further enhance the removal efficiency. This concept could be applied to enhance the removal of various PFAS compounds from contaminated soils by combining a suitable PRB with the EK process. It also emphasizes the feasibility of in-situ soil remediation technologies for forever chemical treatment. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | qu_ea290e620cc2443afeaa874a0052585c |
| identifier_str_mv | 01697722 267 1873-6009 |
| language_invalid_str_mv | en |
| network_acronym_str | qu |
| network_name_str | Qatar University repository |
| oai_identifier_str | oai:qspace.qu.edu.qa:10576/64283 |
| publishDate | 2024 |
| publisher.none.fl_str_mv | Elsevier |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | http://creativecommons.org/licenses/by/4.0/ |
| spelling | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrierGanbat, NamuunAltaee, AliHamdi, Faris M.Zhou, JohnChowdhury, Mahedy HasanZaidi, Syed JavaidSamal, Akshaya K.Almalki, RaedTapas, Marie JoshuaPFOA remediationSoil decontaminationElectrokineticSurfactant enhancementThis study applied electrokinetic (EK) in situ soil remediation for perfluorooctanoic acid (PFOA) removal from kaolinite soil. The kaolinite soil was spiked with 10 mg/kg PFOA for the EK treatment using Sodium Cholate bio-surfactant coupled with Activated Carbon (AC) or iron-coated Activated Carbon (FeAC) permeable reactive barrier (PRB). The study also evaluated the impact of AC and FeAC PRBs' position on the EK process performance. In the EK with the PRB in the middle section, PFOA removal from kaolinite was 52.35 % in the AC-EK tests and 59.55 % in the FeAC-EK. Experimental results showed the accumulation of PFOA near the cathode region in FeAC PRB tests, hypothesising that Fe from the PRB formed a complex with PFOA ions and transported it to the cathode region. Spent PRBs were regenerated with methanol for PFOA extraction and reuse in the EK experiments. Although FeAC PRB achieved better PFOA removal than AC PRB, the EK tests with regenerated AC-EK and FeAC-EK PRBs achieved 40.37 % and 20.62 % PFOA removal. For EK with FeAC PRB near the anode, PFOA removal was 21.96 %. Overall, using PRB in conjunction with the EK process can further enhance the removal efficiency. This concept could be applied to enhance the removal of various PFAS compounds from contaminated soils by combining a suitable PRB with the EK process. It also emphasizes the feasibility of in-situ soil remediation technologies for forever chemical treatment.This research is made possible by a food security research award (MME04-0607-230061) from the Qatar National Research Fund (QNRF) in partnership with the Ministry of Municipality. The statements made herein are solely the responsibility of the authors.Elsevier2025-04-20T05:39:21Z2024-11-30Articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://dx.doi.org/10.1016/j.jconhyd.2024.10442501697722https://www.sciencedirect.com/science/article/pii/S0169772224001293http://hdl.handle.net/10576/642832671873-6009enhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:qspace.qu.edu.qa:10576/642832025-04-20T19:07:47Z |
| spellingShingle | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier Ganbat, Namuun PFOA remediation Soil decontamination Electrokinetic Surfactant enhancement |
| status_str | publishedVersion |
| title | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier |
| title_full | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier |
| title_fullStr | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier |
| title_full_unstemmed | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier |
| title_short | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier |
| title_sort | PFOA remediation from kaolinite soil by electrokinetic process coupled with activated carbon/iron coated activated carbon - permeable reactive barrier |
| topic | PFOA remediation Soil decontamination Electrokinetic Surfactant enhancement |
| url | http://dx.doi.org/10.1016/j.jconhyd.2024.104425 https://www.sciencedirect.com/science/article/pii/S0169772224001293 http://hdl.handle.net/10576/64283 |