Publication:
Photocatalytic Degradation of Sugarcane Vinasse Using ZnO Photocatalyst: Operating Parameters, Kinetic Studies, Phytotoxicity Assessments, and Reusability

cris.author.scopus-author-id 57222297345
cris.author.scopus-author-id 56004092100
cris.author.scopus-author-id 57201387782
cris.author.scopus-author-id 55793936400
cris.author.scopus-author-id 57198446841
cris.author.scopus-author-id 57222290582
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cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtualsource.department a804ba5b-6708-40e1-8055-583ce8aa7b25
cris.virtualsource.department 5f6a9591-97fb-464c-9fc1-bdf375d6825f
cris.virtualsource.department 339109b8-0f51-41cb-9ce1-5bb9735ae41b
cris.virtualsource.department cf309873-28fc-4978-a544-ef78d7c024e5
cris.virtualsource.department 3258d643-71c8-4b77-8490-4ed605329754
dc.contributor.author Kee W.C.
dc.contributor.author Wong Yee Shian
dc.contributor.author Ong Soon An
dc.contributor.author Nabilah Aminah Lutpi
dc.contributor.author Sam Sung Ting
dc.contributor.author Audrey Chai Yee Chieh
dc.contributor.author Eng K.M.
dc.date.accessioned 2024-10-03T12:45:20Z
dc.date.available 2024-10-03T12:45:20Z
dc.date.issued 2022-02-01
dc.description.abstract Abstract: Photocatalytic degradation performance is highly related to optimized operating parameters such as initial concentration, pH value, and catalyst dosage. In this study, the impact of various parameters on the photocatalytic degradation of anaerobically digested vinasse (AnVE) has been determined through decolourization and chemical oxygen demand (COD) reduction efficiency using zinc oxide (ZnO) photocatalyst. In this context, the application of photocatalytic degradation in treating sugarcane vinasse using ZnO is yet to be explored. The COD reduction efficiency and decolourization achieved 83.40% and 99.29%, respectively, under the conditions of 250 mg/L initial COD concentration, pH 10, and 2.0 g/L catalyst dosage. The phytotoxicity assessment was also conducted to determine the toxicity of AnVE before and after treatment using mung bean (Vigna radiata). The reduction of root length and the weight of mung bean indicated that the sugarcane vinasse contains enormous amounts of organic substances that affect the plant's growth. The toxicity reduction in the AnVE solution can be proved by UV–Vis absorption spectra. Furthermore, the catalyst recovery achieved 93% in the reusability test. However, the COD reduction efficiency and decolourization were reduced every cycle. It was due to the depletion of the active sites in the catalyst with the adsorption of organic molecules. Thus, it can be concluded that the photocatalytic degradation in the treatment of AnVE was effective in organic degradation, decolorization, toxicity reduction and can be reused after the recovery process. Graphical abstract: [Figure not available: see fulltext.].
dc.identifier.doi 10.1007/s41742-021-00382-6
dc.identifier.scopus 2-s2.0-85120907125
dc.identifier.uri https://hdl.handle.net/20.500.14170/8946
dc.language.iso en
dc.relation.grantno undefined
dc.relation.ispartof International Journal of Environmental Research
dc.relation.ispartofseries International Journal of Environmental Research
dc.relation.issn 17356865
dc.rights open access
dc.subject Photocatalytic degradation | Phytotoxicity assessment | Reusability | Vinasse | Zinc oxide
dc.title Photocatalytic Degradation of Sugarcane Vinasse Using ZnO Photocatalyst: Operating Parameters, Kinetic Studies, Phytotoxicity Assessments, and Reusability
dc.type Journal
dspace.entity.type Publication
oaire.citation.issue 1
oaire.citation.volume 16
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Kenep Resources (Asia) Sdn. Bhd.
oairecerif.author.affiliation #PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation #PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.citation.number 3
person.identifier.orcid 0000-0002-6862-8158
person.identifier.orcid 0000-0002-6238-5247
person.identifier.orcid 0000-0003-4821-4983
person.identifier.orcid 0000-0002-9898-2393
person.identifier.orcid 0000-0003-2916-0799
person.identifier.orcid 0000-0003-0427-2858
person.identifier.orcid #PLACEHOLDER_PARENT_METADATA_VALUE#
person.identifier.scopus-author-id 57222297345
person.identifier.scopus-author-id 56004092100
person.identifier.scopus-author-id 57201387782
person.identifier.scopus-author-id 55793936400
person.identifier.scopus-author-id 57198446841
person.identifier.scopus-author-id 57222290582
person.identifier.scopus-author-id 57368227200
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