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dc.contributor.authorCHICATTO, J. A.
dc.contributor.authorGONÇALVES, M. J.
dc.contributor.authorTIMM, T. G.
dc.contributor.authorHELM, C. V.
dc.contributor.authorALTMAJER-VAZ, D.
dc.contributor.authorTAVARES, L. B. B.
dc.date.accessioned2026-06-11T17:48:24Z-
dc.date.available2026-06-11T17:48:24Z-
dc.date.created2026-05-18
dc.date.issued2026
dc.identifier.citationActa Scientiarum. Technology, v. 48, e74839, 2026.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1186936-
dc.descriptionThis study presents the scale-up of the discoloration process of the dye Remazol Brilliant Blue R (RBBR) by the white-rot fungus Ganoderma lucidum. Experiments were initially conducted in a 2-L lab-scale bioreactor and subsequently scaled up to a 45-L packed-bed bioreactor operated in batch mode under nonsterile conditions. The dye solution (150 mg L-1) was recirculated through the packed bed, which supported the growth of G. lucidum on an inert and biodegradable carrier — peach palm waste. Discoloration, enzyme activity, pH, and microbial community composition were analyzed. In the lab-scale system, discoloration reached 80%, with laccase activity measured at 847.2 IU mL-1. Upon scale-up, discoloration reached 91%, with laccase identified as the main factor contributing to biodecoloration. The bacterial community was initially dominated by the phylum Proteobacteria (93.4%), followed by an increase in Acidobacteria, Actinobacteria, and Bacteroidetes. Among eukaryotes, Opisthokonta represented over 96% of the community. These results suggest that G. lucidum is a promising agent for the industrial-scale biodegradation of RBBR dye.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectDiscolorization
dc.subjectLigninolytic enzymes
dc.subjectSolid-state fermentation
dc.titleBiodegradation of a textile dye by Ganoderma lucidum: scale-up into packed-bed bioreactors.
dc.typeArtigo de periódico
dc.subject.thesagroBactris Gasipaes
dc.subject.thesagroDescoloração
dc.subject.thesagroEnzima
dc.subject.thesagroResíduo Orgânico
dc.subject.thesagroPupunha
dc.subject.thesagroFermentação
dc.subject.nalthesaurusGanoderma lucidum
dc.subject.nalthesaurusOrganic wastes
riaa.ainfo.id1186936
riaa.ainfo.lastupdate2026-06-11
dc.identifier.doihttps://doi.org/10.4025/actascitechnol.v48i1.74839
dc.contributor.institutionJULIANE ANDRESSA CHICATTO, UNIVERSIDADE REGIONAL DE BLUMENAU; MARCEL JEFFERSON GONÇALVES, UNIVERSIDADE REGIONAL DE BLUMENAU; THAYNÃ GONÇALVES TIMM, UNIVERSIDADE REGIONAL DE BLUMENAU; CRISTIANE VIEIRA HELM, CNPF; DEISI ALTMAJER-VAZ, UNIVERSITY OF GRANADA; LORENA BENATHAR BALLOD TAVARES, UNIVERSIDADE REGIONAL DE BLUMENAU.
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