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Kinetic and isotherm studies on adsorptive removal of sulfates by cotton shell derived biochar: Recovery of sulfates from marcasite soil

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dc.citedby4
dc.contributor.authorRumjit N.P.en_US
dc.contributor.authorSamsudin N.A.en_US
dc.contributor.authorLow F.W.en_US
dc.contributor.authorThomas P.en_US
dc.contributor.authorLai C.W.en_US
dc.contributor.authorVelayudhaperumal Chellam P.en_US
dc.contributor.authorBin Johan M.R.en_US
dc.contributor.authorLim Y.-C.en_US
dc.contributor.authorAmin N.en_US
dc.contributor.authorTiong S.K.en_US
dc.contributor.authorid57194015094en_US
dc.contributor.authorid57190525429en_US
dc.contributor.authorid56513524700en_US
dc.contributor.authorid57212516638en_US
dc.contributor.authorid54879860000en_US
dc.contributor.authorid55984646000en_US
dc.contributor.authorid57189047993en_US
dc.contributor.authorid57224785781en_US
dc.contributor.authorid7102424614en_US
dc.contributor.authorid15128307800en_US
dc.date.accessioned2023-05-29T09:08:02Z
dc.date.available2023-05-29T09:08:02Z
dc.date.issued2021
dc.descriptionsulfate; acid mine drainage; adsorption kinetics; Article; controlled study; degradation kinetics; economic aspect; isotherm; pH; priority journal; response surface method; waste component removalen_US
dc.description.abstractThis work illustrates the potential applications of the raw cotton shell (RCS) and cotton shell biochar (CSB) in the remediation of sulfate contaminants from aqueous solvents. Comprehensively, optimal batch and adsorption kinetics of sulfate by RCS and CSB were intensively analyzed and determined by varying the adsorption parameters. For RCS, the optimal series of parameters were at (pH-7, sulfate conc-150 mgL?1, adsorbent dose- 0.5 g and time-150 min). While for CSB optimum conditions were at (pH-9.8, sulfate conc-100 mgL?1, dosage- 0.1 g and time-90 min). The maximum adsorption efficiency for both RCS and CSB was achieved at 86.47% and 90.77%, respectively. Sulfate adsorption by RCS and CSB was examined by isotherm models and kinetic studies. The data are best suited to the Langmuir isotherm model with the highest RCS and CSB sulfate adsorption capability of 61.35 and 153.85 mg g?1 and followed pseudo-second-order kinetics. Box-Behnken design (BBD) based response surface methodology (RSM) model-based analysis of variance test has demonstrated optimum conditions and sulfate adsorption by both RCS and CSB. The recovery studies on sulfates from marcasite soil were evaluated at different doses of RCS and CSB. This study provides insights into the usage of the developed process towards the circular economy of the sulfates. � 2020 Elsevier B.V.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNo100361
dc.identifier.doi10.1016/j.scp.2020.100361
dc.identifier.scopus2-s2.0-85100382184
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85100382184&doi=10.1016%2fj.scp.2020.100361&partnerID=40&md5=36fad9fe6aa5a0c636ff2180bef78d64
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/26231
dc.identifier.volume20
dc.publisherElsevier B.V.en_US
dc.sourceScopus
dc.sourcetitleSustainable Chemistry and Pharmacy
dc.titleKinetic and isotherm studies on adsorptive removal of sulfates by cotton shell derived biochar: Recovery of sulfates from marcasite soilen_US
dc.typeArticleen_US
dspace.entity.typePublication
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