NDLI: Study on the effect factors of butyric acid content in the process of high-concentration hydrolysis and acidogenesis of dairy manure

Content Provider	IEEE Xplore Digital Library
Author	Yang Yinsheng Wang Lili
Copyright Year	2012
Description	Author affiliation: College of Biological and Agricultural Engineering, Jilin University, Changchun, China (Wang Lili) \|\| College of Biological and Agricultural Engineering and Key Laboratory of Bionic Engineering of Ministry of Education, Jilin University, Changchun, China (Yang Yinsheng)
Abstract	In order to improve the butyric acid content of hydrolysis and acidogenesis, high-concentration anaerobic fermentation of dairy manure was investigated by anaerobic batch reactors under laboratory conditions at 20°C. In this present study, butyric acid content was used as response function, and three factors, namely, temperature, liquor concentration and retention time were selected as input variables in the process of hydrolysis and acidogenesis of dairy manure using a central composite rotatable orthogonal experimental design. Experimental results showed that butyric acid content was greatly influenced by retention time, temperature was second to it and liquor concentration was the least. Butyric acid content was more than 15% under the condition of 25°C to 27°C, concentration 9% to 10% and retention time 9 to 11 days. Butyric acid content was less than 13% under the condition of 28°C to 31°C, concentration 7% to 8% and retention time 3 to 7 days.
Starting Page	1
Ending Page	4
File Size	212089
Page Count	4
File Format	PDF
ISBN	9781467344975
ISSN	21544824
e-ISBN	9781889334479
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-24
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	TSI Press
Subject Keyword	Temperature Time frequency analysis Materials Educational institutions Ethanol Biology Equations butyric acid content dairy manure high concentration hydrolysis and acidogenesis
Content Type	Text
Resource Type	Article

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