Publication:
The effect of enzymatic hydrolysis of pretreated wastepaper for bioethanol production

Simple item page
dc.citedby2
dc.contributor.authorHossain N.en_US
dc.contributor.authorHoong L.L.en_US
dc.contributor.authorBarua P.en_US
dc.contributor.authorSoudagar M.E.M.en_US
dc.contributor.authorMahlia T.M.I.en_US
dc.contributor.authorid57193137546en_US
dc.contributor.authorid57350790800en_US
dc.contributor.authorid41860949000en_US
dc.contributor.authorid57194384501en_US
dc.contributor.authorid56997615100en_US
dc.date.accessioned2023-05-29T09:05:21Z
dc.date.available2023-05-29T09:05:21Z
dc.date.issued2021
dc.description.abstractEnzymatic hydrolysis of waste biomass for bioethanol production is considered a decades old traditional, inexpensive, and energy-effective approach. In this study, waste office paper was pretreated with diluted sulfuric acid (H2SO4) and hydrolyzed with one of the most available and cost-effective enzymes, cellulase derived from Trichoderma reesei, under submerged static condition. Three different pretreatment approaches�cut into 2 cm2, blended with distilled water, and pretreated with diluted H2SO4�have been implemented, and pretreatment with diluted H2SO4 was the most effective. Hydrolysis with different concentrations�0.5 M, 1.0 M, 1.5 M, 2.0 M of H2SO4�was performed. The maximum glucose content was obtained at 2.0 M H2SO4 at 90 min reaction time, and glucose yield was 0.11 g glucose/g wastepaper. The cut paper, wet-blended, and acid-treated wastepaper was hydrolyzed with cellulase enzyme for 2, 4, and 5 consecutive days with 5 mg, 10 mg, 15 mg, and 20 mg enzyme loadings. The maximum glucose content obtained was 9.75 g/l from acid-treated wastepaper, after 5 days of enzymatic hydrolysis with 20 mg enzyme loading and a glucose yield of a 0.5 g glucose/g wastepaper. The wastepaper hydrolysate was further fermented for 6, 8, and 10 hours continuously with Saccharomyces cerevisiae (yeast), and at 10 hours of fermentation, the maximum glucose consumption was 0.18 g by yeast. Further, HPLC analysis of the fermented medium presented a strong peak of bioethanol content at 16.12 min. The distillation of bioethanol by rotary evaporator presented 0.79 ml bioethanol/fermented solution, which indicated the conversion efficiency of 79%. � 2021, The Korean Institute of Chemical Engineers.en_US
dc.description.natureFinalen_US
dc.identifier.doi10.1007/s11814-021-0914-1
dc.identifier.epage2499
dc.identifier.issue12
dc.identifier.scopus2-s2.0-85119691305
dc.identifier.spage2493
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85119691305&doi=10.1007%2fs11814-021-0914-1&partnerID=40&md5=50ed9f730c3eb6716e339ceb97125058
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/25869
dc.identifier.volume38
dc.publisherSpringeren_US
dc.sourceScopus
dc.sourcetitleKorean Journal of Chemical Engineering
dc.titleThe effect of enzymatic hydrolysis of pretreated wastepaper for bioethanol productionen_US
dc.typeArticleen_US
dspace.entity.typePublication
Files
Collections
SCOPUS