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学科主题物理化学
Energy efficiency evaluation of lipid production by oleaginous yeast Rhodosporidium toruloides
Zhou, Wenwen1; Li, Yonghong1; Zhang, Yongkui1; Zhao, Zongbao2; Li YH(李永红)
关键词Mass-energy Balance Elementary Analysis Combustion Heat Biodiesel Oleaginous Yeast
刊名JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
2012-04-01
DOI10.1007/s10973-011-1659-6
108期:1页:119-126
收录类别SCI
文章类型Article
部门归属18
项目归属1816
产权排名2,4
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical ; Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]ELEMENTAL COMPOSITION ; RHODOTORULA-GLUTINIS ; BIODIESEL PRODUCTION ; MICROORGANISMS ; CAPACITY ; BIOMASS ; ACCUMULATION ; LIQUEFACTION ; COMBUSTION ; ENTHALPY
英文摘要Mass-energy balance of lipid fermentation by oleaginous yeast Rhodosporidium toruloides Y4 with glucose as sole carbon source was investigated. The elemental composition of the freeze-dried cell samples obtained at different time points was determined using a Vario EL3 analyzer to estimate the biomass energetic yield (eta). Then this work established the biomass energetic yield (eta) to sets of biochemical variables and a new equation was developed to determine eta without elemental composition of biomass. Biomass energetic yield estimated by the new equation was highly in accordance with that based on elemental composition. Bomb-calorimetric measurements were shown to be a direct method of quantifying the energy content of oleaginous yeasts. Combustion heat (Q(c)) of biomass determined experimentally was in consistent with those calculated according to its elementary contents. The relationship between lipid content and Q(c) of the cells was simulated and a new practical equation was developed based on lipid content (Y-L/S) to evaluate Q(c) of biomass. Biomass energetic yield of R. toruloides Y4 could reach higher than 0.8. Combustion heat of biomass obtained after 116 h was 33 (kJ g(-1)) that was about 73% of the combustion heat of diesel. The results revealed that R. toruloides Y4 was an efficient "energy-converter" in lipid production with glucose as the substrate. The results also implied the approaches to estimating eta of fermentation, and Q(c) of single oil cells developed in this study should be valuable to address the overall techno-economical analysis of bio-energy production.
语种英语
WOS记录号WOS:000302704500016
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/118302
专题中国科学院大连化学物理研究所
通讯作者Li YH(李永红)
作者单位1.Sichuan Univ, Dept Pharmaceut & Biol Engn, Sch Chem Engn, Chengdu 610065, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Biotechnol, Dalian 116023, Peoples R China
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GB/T 7714
Zhou, Wenwen,Li, Yonghong,Zhang, Yongkui,et al. Energy efficiency evaluation of lipid production by oleaginous yeast Rhodosporidium toruloides[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2012,108(1):119-126.
APA Zhou, Wenwen,Li, Yonghong,Zhang, Yongkui,Zhao, Zongbao,&李永红.(2012).Energy efficiency evaluation of lipid production by oleaginous yeast Rhodosporidium toruloides.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,108(1),119-126.
MLA Zhou, Wenwen,et al."Energy efficiency evaluation of lipid production by oleaginous yeast Rhodosporidium toruloides".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 108.1(2012):119-126.
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