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Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens

This study was conducted to evaluate the potential of filamentous fungi for fresh palm oil mill effluent (POME) biodegradation. Two strains of filamentous fungi namely Aspergillus niger and Trichoderma virens were utilized and their performance in fresh POME biodegradation were studied and compared....

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Main Author: Jalaludin, Noorbaizura
Format: Thesis
Language:English
Published: 2013
Subjects:
QP Physiology
Online Access:http://eprints.utm.my/id/eprint/42073/1/NoorbaizuraJalaludinMFKK2013.pdf
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spelling my.utm.420732017-06-15T02:52:27Z http://eprints.utm.my/id/eprint/42073/ Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens Jalaludin, Noorbaizura QP Physiology This study was conducted to evaluate the potential of filamentous fungi for fresh palm oil mill effluent (POME) biodegradation. Two strains of filamentous fungi namely Aspergillus niger and Trichoderma virens were utilized and their performance in fresh POME biodegradation were studied and compared. The results of preliminary study showed that A. niger demonstrated high capacity in enhancing the biodegradation process of fresh POME in terms of reduction of total suspended solids (TSS) (340 mg/l), turbidity (110 NTU) and chemical oxygen demand (COD) (3200 mg/l) than T. virens (TSS: 720 mg/l; turbidity: 224 NTU; COD: 3520 mg/l). Additionally, considerable amount of biosolids enriched with fungal biomass corresponding to higher protein yield was achieved in fungal treated fresh POME as greater amount was obtained in fresh POME treated by A. niger (13.9 g/l/3.09 g/l) as compared to T. virens (9.95 g/l/2.33 g/l). Effects of inoculum size (%), agitation rate (rpm) and temperature (oC) on the biodegradation process of the fresh POME by both fungal strains were examined using response surface methodology (RSM). Fresh POME treated by A. niger was more predictable compared to T. virens as high reduction of TSS and specific resistance to filtration (SRF) with greater recovery of biosolids enriched with fungal biomass (50.40 g/l) and protein (12.9 g/l) were achieved at optimal operating conditions. Monod kinetic model was utilized to define the biodegradation kinetic of fresh POME by both strains. High maximum specific growth rate (µmax) (0.81 h -1) revealed in fresh POME treated by A. niger thus signify that A. niger has the fastest growth rate and thus would be most effective in reducing the pollutant levels of fresh POME compared to T. virens (0.009 h-1) 2013 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/42073/1/NoorbaizuraJalaludinMFKK2013.pdf Jalaludin, Noorbaizura (2013) Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens. Masters thesis, Universiti Teknologi Malaysia, Faculty of Chemical Engineering. http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:79566?queryType=vitalDismax&query=Biodegradation+of+fresh+palm+oil+mill+effluent+and+fungal+biomass+protein+recovery+by+aspergillus+niger+and+trichoderma+virens&public=true
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic QP Physiology
spellingShingle QP Physiology
Jalaludin, Noorbaizura
Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens
description This study was conducted to evaluate the potential of filamentous fungi for fresh palm oil mill effluent (POME) biodegradation. Two strains of filamentous fungi namely Aspergillus niger and Trichoderma virens were utilized and their performance in fresh POME biodegradation were studied and compared. The results of preliminary study showed that A. niger demonstrated high capacity in enhancing the biodegradation process of fresh POME in terms of reduction of total suspended solids (TSS) (340 mg/l), turbidity (110 NTU) and chemical oxygen demand (COD) (3200 mg/l) than T. virens (TSS: 720 mg/l; turbidity: 224 NTU; COD: 3520 mg/l). Additionally, considerable amount of biosolids enriched with fungal biomass corresponding to higher protein yield was achieved in fungal treated fresh POME as greater amount was obtained in fresh POME treated by A. niger (13.9 g/l/3.09 g/l) as compared to T. virens (9.95 g/l/2.33 g/l). Effects of inoculum size (%), agitation rate (rpm) and temperature (oC) on the biodegradation process of the fresh POME by both fungal strains were examined using response surface methodology (RSM). Fresh POME treated by A. niger was more predictable compared to T. virens as high reduction of TSS and specific resistance to filtration (SRF) with greater recovery of biosolids enriched with fungal biomass (50.40 g/l) and protein (12.9 g/l) were achieved at optimal operating conditions. Monod kinetic model was utilized to define the biodegradation kinetic of fresh POME by both strains. High maximum specific growth rate (µmax) (0.81 h -1) revealed in fresh POME treated by A. niger thus signify that A. niger has the fastest growth rate and thus would be most effective in reducing the pollutant levels of fresh POME compared to T. virens (0.009 h-1)
format Thesis
author Jalaludin, Noorbaizura
author_facet Jalaludin, Noorbaizura
author_sort Jalaludin, Noorbaizura
title Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens
title_short Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens
title_full Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens
title_fullStr Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens
title_full_unstemmed Biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens
title_sort biodegradation of fresh palm oil mill effluent and fungal biomass protein recovery by aspergillus niger and trichoderma virens
publishDate 2013
url http://eprints.utm.my/id/eprint/42073/1/NoorbaizuraJalaludinMFKK2013.pdf
http://eprints.utm.my/id/eprint/42073/
http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:79566?queryType=vitalDismax&query=Biodegradation+of+fresh+palm+oil+mill+effluent+and+fungal+biomass+protein+recovery+by+aspergillus+niger+and+trichoderma+virens&public=true
_version_ 1643650790253920256
score 13.211869

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