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The Integration of Autotrophic and H...

Zhong, Yingkui.

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The Integration of Autotrophic and Heterotrophic Microbial Processes for Biofuel Production.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Integration of Autotrophic and Heterotrophic Microbial Processes for Biofuel Production./
作者:	Zhong, Yingkui.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:	98 p.
附註:	Source: Masters Abstracts International, Volume: 56-06.
Contained By:	Masters Abstracts International56-06(E).
標題:	Bioengineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10615777
ISBN:	9780355219340

The Integration of Autotrophic and Heterotrophic Microbial Processes for Biofuel Production.
Zhong, Yingkui.

The Integration of Autotrophic and Heterotrophic Microbial Processes for Biofuel Production. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 98 p.

Source: Masters Abstracts International, Volume: 56-06.

Thesis (M.S.)--Michigan State University, 2017.

Biofuel is an alternative energy source that has drawn much attention. Microbes that can utilize various types of carbon sources are considered as potential biofuel producers. Umbelopsis isabellina, a fungal strain that consumes sugars in a corn hydrolysate in the presence of inhibitors, showed excellent potential for biofuel production in our previous study. However, some disadvantages in this energy production process still exist, such as costly nitrogen sources for fungal culture and the lack of an efficient lipid extraction method. To address these problems, this study has developed two processes that could make large scale production using this strain more feasible. First, in order to further reduce the substrate cost, algal biomass was added to a corn stover hydrolysis process to eliminate the cost of the yeast extract used for fungal culture. The addition of the algal biomass had the same effect as the addition of yeast extract on biomass accumulation and lipid yield after hydrolysis. The algal hydrolysate could also be prepared separately and used for fungal culture. In addition to reducing the substrate cost of the fungal culture, this process also provides another use for the algal biomass, which could help to further shrink the cost of the algae-based biofuel. After fungal biomass accumulation, lipid extraction is another critical step in biofuel production. The traditional Bligh & Dyer method, which uses a highly toxic and dangerous solvent system (methanol and chloroform) was considered the best method for fungal lipid extraction. Instead of using that solvent system, the less toxic solvent hexane was selected in this study as an alternative, and a three-stage lipid extraction method for the fungus Umbelopsis isabellina was developed. When applied to 1 g of biomass, this method extracted the same amount of lipids as the Bligh & Dyer method, and the lipid profile was similar.

ISBN: 9780355219340Subjects--Topical Terms:

657580
Bioengineering.

The Integration of Autotrophic and Heterotrophic Microbial Processes for Biofuel Production.
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