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Chloramphenicol and methylene blue adsorption by modestly treated paper sewage sludge-based activated carbon

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cris.author.scopus-author-id 57222015801
cris.author.scopus-author-id 55389539900
cris.author.scopus-author-id 57219159320
cris.virtual.department Universiti Malaysia Perlis
cris.virtualsource.department a01f189f-ada3-4d91-b102-d1e0c059d515
dc.contributor.author Azrina Aziz
dc.contributor.author Huzairy Hassan
dc.contributor.author Mohd Azmier Ahmad
dc.date.accessioned 2024-09-27T04:21:17Z
dc.date.available 2024-09-27T04:21:17Z
dc.date.issued 2023
dc.description.abstract Refractory pollutants like pharmaceuticals and dyes have become excessively prevalent in most Malaysian water bodies because of the growing textile and pharmaceutical industries. Hence, this work employed activated carbon prepared from freely available paper mill sewage sludge for removing chloramphenicol (CAP) and methylene blue (MB). Modest treatment of low-temperature carbonisation assisted with a short activation time of microwave radiation had been used. Analysis of variance of central composite design resulted in the optimum conditions of 440-W radiation power and 3-min activation time for optimum removal of 70% CAP and 51% MB. The surface area of the paper mill sewage sludge activated carbon (PMSSAC) improved greatly from 1.14 to 412 m2/g, with the highest adsorption capacity of 13 mg/g. The scanning electron microscope images demonstrated the efficiency of microwave radiation treatment, where more cavities and pores were observed on activated carbon for improved adsorbate penetration. The Freundlich isotherm and the pseudo-second-order model appeared to best fit the kinetic data. Furthermore, the high affinity of adsorbate towards the PMSSAC surface could be the plausible mechanism, as indicated by the high amount of adsorption within the initial stage of adsorption. Thus, it is envisaged that our PMSSAC could be effectively employed in actual wastewater systems, as evidenced by excellent CAP and MB removal.
dc.identifier.doi 10.1007/s11696-023-03052-3
dc.identifier.uri https://link.springer.com/article/10.1007/s11696-023-03052-3
dc.identifier.uri https://link.springer.com/
dc.language.iso en
dc.relation.funding Universiti Sains Malaysia
dc.relation.grantno 304/PJKIMIA/6315247
dc.relation.ispartof Chemical Papers
dc.relation.issn 03666352
dc.subject Activated carbon
dc.subject Adsorption
dc.subject Chloramphenicol
dc.subject Methylene blue
dc.subject Paper sewage sludge
dc.title Chloramphenicol and methylene blue adsorption by modestly treated paper sewage sludge-based activated carbon
dc.type Journal
dspace.entity.type Publication
oaire.citation.endPage 7561
oaire.citation.issue 12
oaire.citation.startPage 7551
oaire.citation.volume 77
oairecerif.affiliation.orgunit Universiti Sains Malaysia
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Universiti Sains Malaysia
oairecerif.author.affiliation Universiti Sains Malaysia
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Sains Malaysia
person.identifier.orcid #PLACEHOLDER_PARENT_METADATA_VALUE#
person.identifier.orcid 0009-0009-7985-1337
person.identifier.orcid #PLACEHOLDER_PARENT_METADATA_VALUE#
person.identifier.scopus-author-id 57222015801
person.identifier.scopus-author-id 55389539900
person.identifier.scopus-author-id 57219159320
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