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Enhancement of lipid productivity of Rhodosporidium toruloides in distillery wastewater by increasing cell density
Ling JY; Nip S; Shim H
2013-10
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume146Pages:301-309
Abstract

This study is to improve the process of producing lipid convertible to biodiesel, from distillery wastewater while simultaneously removing organics and nutrients efficiently by inoculating oleaginous yeast Rhodosporidium toruloides in the presence of indigenous microorganisms. The lipid productivity of R. toruloides was studied using real wastewater obtained from distillery and local municipal wastewater treatment plants. Under the conditions of mix rate of 1:1 with domestic wastewater, initial soluble chemical oxygen demand (SCOD) over 20,000mg/L and initial cell density of 2×107cells/mL at 30°C, lipid content and lipid yield achieved were 43.65±1.74% and 3.54±0.04g/L, with the associated removal efficiencies for COD, total nitrogen (TN), and total phosphorus (TP), 86.11±0.41%, 57.81±0.29%, and 67.69±0.73%, respectively, after three days of cultivation in real distillery wastewater without pH adjustment. The pH of wastewater increased from 3.71 to over 8 in 7days of cultivation.

KeywordBiolipid Distillery Wastewater High Initial Cell Density Rhodosporidium Toruloides
DOI10.1016/j.biortech.2013.07.023
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000325442600040
PublisherELSEVIER SCI LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Scopus ID2-s2.0-84882653049
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Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorShim H
AffiliationDepartment of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau SAR, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Ling JY,Nip S,Shim H. Enhancement of lipid productivity of Rhodosporidium toruloides in distillery wastewater by increasing cell density[J]. BIORESOURCE TECHNOLOGY, 2013, 146, 301-309.
APA Ling JY., Nip S., & Shim H (2013). Enhancement of lipid productivity of Rhodosporidium toruloides in distillery wastewater by increasing cell density. BIORESOURCE TECHNOLOGY, 146, 301-309.
MLA Ling JY,et al."Enhancement of lipid productivity of Rhodosporidium toruloides in distillery wastewater by increasing cell density".BIORESOURCE TECHNOLOGY 146(2013):301-309.
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