Abstract：
:From the distillation process after butanol fermentation, wastewaters mainly consisted of organic acids and residual sugars and with high COD (usually >20,000 mg/L) are generated. Without any pretreatment and adding other nutrients (nitrogen sources and trace elements), these wastewaters were used as substrate for microbial oil production by oleaginous yeast Trichosporon coremiiforme. After 5 days' lipid fermentation, all the sugars and organic acids measured were totally utilized by T. coremiiforme and a 68% of COD degradation could be obtained. The highest biomass and lipid content of T. coremiiforme on the wastewaters were 5.8 g/L and 19.1%, respectively. This work shows that T. coremiiforme is a promising strain for microbial oil production on the wastewaters after butanol fermentation.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Chen XF,Huang C,Xiong L,Chen XD,Chen Y,Ma LLdoi
10.1016/j.biortech.2012.05.023subject
Has Abstractpub_date
2012-08-01 00:00:00pages
594-7eissn
0960-8524issn
1873-2976pii
S0960-8524(12)00766-3journal_volume
118pub_type
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