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Article: Wet scrubber coupled with heterogeneous UV/Fenton for enhanced VOCs oxidation over Fe/ZSM-5 catalyst

TitleWet scrubber coupled with heterogeneous UV/Fenton for enhanced VOCs oxidation over Fe/ZSM-5 catalyst
Authors
KeywordsVOCs removal
Heterogeneous UV/Fenton
Fe/ZSM-5
Toluene oxidation
Issue Date2019
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/chemosphere
Citation
Chemosphere, 2019, v. 227, p. 401-408 How to Cite?
AbstractThe traditional treatment processes for volatile organic compounds (VOCs) removal generally suffered several disadvantages, such as secondary air-pollutants. To overcome these issues, wet scrubber coupled with heterogeneous UV/Fenton was developed for gaseous VOCs (i.e. toluene) removal. ZSM-5 supported iron oxide (Fe/ZSM-5) was prepared as a multifunctional catalyst for activation of H2O2 and enhancement of gas-liquid mass transfer. Toluene was removed efficiently by this coupled process with the removal efficiency of 85% during 120 min. Many intermediates were detected in the solution by GC-MS while no intermediates were observed in the outlet gas, suggesting that wet scrubber coupled with heterogeneous UV/Fenton could significantly reduce secondary air pollutants. The possible mechanism of toluene oxidation was proposed including the physical adsorption by Fe/ZSM-5 and OH oxidation. This study provides an environmentally benign and highly efficient chemical scrubbing process for gaseous VOCs removal.
Persistent Identifierhttp://hdl.handle.net/10722/284078
ISSN
2019 Impact Factor: 5.778
2015 SCImago Journal Rankings: 1.536

 

DC FieldValueLanguage
dc.contributor.authorXie, R-
dc.contributor.authorLiu, G-
dc.contributor.authorLiu, D-
dc.contributor.authorLiang, S-
dc.contributor.authorLei, D-
dc.contributor.authorDong, H-
dc.contributor.authorHuang, H-
dc.contributor.authorLeung, DYC-
dc.date.accessioned2020-07-20T05:55:55Z-
dc.date.available2020-07-20T05:55:55Z-
dc.date.issued2019-
dc.identifier.citationChemosphere, 2019, v. 227, p. 401-408-
dc.identifier.issn0045-6535-
dc.identifier.urihttp://hdl.handle.net/10722/284078-
dc.description.abstractThe traditional treatment processes for volatile organic compounds (VOCs) removal generally suffered several disadvantages, such as secondary air-pollutants. To overcome these issues, wet scrubber coupled with heterogeneous UV/Fenton was developed for gaseous VOCs (i.e. toluene) removal. ZSM-5 supported iron oxide (Fe/ZSM-5) was prepared as a multifunctional catalyst for activation of H2O2 and enhancement of gas-liquid mass transfer. Toluene was removed efficiently by this coupled process with the removal efficiency of 85% during 120 min. Many intermediates were detected in the solution by GC-MS while no intermediates were observed in the outlet gas, suggesting that wet scrubber coupled with heterogeneous UV/Fenton could significantly reduce secondary air pollutants. The possible mechanism of toluene oxidation was proposed including the physical adsorption by Fe/ZSM-5 and OH oxidation. This study provides an environmentally benign and highly efficient chemical scrubbing process for gaseous VOCs removal.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/chemosphere-
dc.relation.ispartofChemosphere-
dc.subjectVOCs removal-
dc.subjectHeterogeneous UV/Fenton-
dc.subjectFe/ZSM-5-
dc.subjectToluene oxidation-
dc.titleWet scrubber coupled with heterogeneous UV/Fenton for enhanced VOCs oxidation over Fe/ZSM-5 catalyst-
dc.typeArticle-
dc.identifier.emailLeung, DYC: ycleung@hku.hk-
dc.identifier.authorityLeung, DYC=rp00149-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.chemosphere.2019.03.160-
dc.identifier.pmid31003124-
dc.identifier.scopuseid_2-s2.0-85064511207-
dc.identifier.hkuros311339-
dc.identifier.volume227-
dc.identifier.spage401-
dc.identifier.epage408-
dc.publisher.placeUnited Kingdom-

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