Experimental Comparison Between Over Ground and Underground Solar Thermostatic Biogas Digesters in Biogas-Producing Performances

doi:10.1166/jbmb.2018.1781

	Experimental Comparison Between Over Ground and Underground Solar Thermostatic Biogas Digesters in Biogas-Producing Performances
	Zhen, Xiaofei 1,2,4; Li, Jinping 1,2,4; Ren, Haiwei 1,2,4; Feng, Rong 3; Zhang, Xuemin 1,2,4; Kang, Jian 1,2,4
刊名	JOURNAL OF BIOBASED MATERIALS AND BIOENERGY
	2018-08
卷号	12 期号:4 页码:339-347
关键词	Solar-Energy Thermostatic Biogas Digester Anti-Interference Performance Biogas Production Solar Energy Agricultural Wastes
ISSN号	1556-6560
DOI	10.1166/jbmb.2018.1781
英文摘要	With the aim of developing the solar thermostatic biogas digester that is more suitable for public adoption, this study used pig manure and maize straws as test substrates for anaerobic digestion, and conducted tests on both above ground and underground solar thermostatic biogas digesters comparing operational temperature variation and biogas generation. Over an 89 day digestion, the ambient air temperature fluctuated within a range of -18.3-26.4 degrees C, and for both digesters, the fermentation temperature remained approximately constant (26 +/- 2.6) degrees C, despite adverse weather conditions. Under different weather conditions, the fermentation in the aboveground biogas digester varied within a temperature range of 1.8 degrees C, while the fermentation in underground biogas digester varied within a temperature range of 2.6 degrees C, suggesting that the former exhibited a more favorable performance with respect to process stability. During digestion, the average volume fractions of biogas produced from above ground and underground thermostatic biogas digesters reached up to 59.6% and 58.8% represent volume biogas production rates of 0.43 m(3)/(m(3) . d) and 0.41 m(3)/(m(3). d), respectively. It is apparent both digester designs can produce high-quality fuel gas, but the above ground biogas digester was found to be superior to the underground system in terms of biogas-producing performances. Additionally, in comparison with the underground biogas digester, the aboveground thermostatic digester exhibited other advantages, such as shorter construction period, broader application range, and more discharge efficiency. In conclusion, both solar thermostatic biogas digesters can efficiently recycle rural organic wastes and achieve stable biogas production; in particular, the aboveground solar constant-temperature biogas digester shows good potential for public adoption.
资助项目	Natural Science Foundation of Gansu Province[1508RJYA097]
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science
语种	英语
出版者	AMER SCIENTIFIC PUBLISHERS
WOS记录号	WOS:000437418800003
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/32541]
专题	能源与动力工程学院生命科学与工程学院研究生院
通讯作者	Li, Jinping
作者单位	1.Collaborat Innovat Ctr Key Technol Northwest Low, Lanzhou 730050, Gansu, Peoples R China 2.Lanzhou Univ Technol, Western China Energy & Environm Res Ctr, Lanzhou 730050, Gansu, Peoples R China 3.Shaanxi Univ Technol, Shaanxi Key Lab Ind Automat, Hanzhong 723000, Peoples R China 4.Key Lab Complementary Energy Syst Biomass & Solar, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Zhen, Xiaofei,Li, Jinping,Ren, Haiwei,et al. Experimental Comparison Between Over Ground and Underground Solar Thermostatic Biogas Digesters in Biogas-Producing Performances[J]. JOURNAL OF BIOBASED MATERIALS AND BIOENERGY,2018,12(4):339-347.
APA	Zhen, Xiaofei,Li, Jinping,Ren, Haiwei,Feng, Rong,Zhang, Xuemin,&Kang, Jian.(2018).Experimental Comparison Between Over Ground and Underground Solar Thermostatic Biogas Digesters in Biogas-Producing Performances.JOURNAL OF BIOBASED MATERIALS AND BIOENERGY,12(4),339-347.
MLA	Zhen, Xiaofei,et al."Experimental Comparison Between Over Ground and Underground Solar Thermostatic Biogas Digesters in Biogas-Producing Performances".JOURNAL OF BIOBASED MATERIALS AND BIOENERGY 12.4(2018):339-347.