Assessment of pretreatment and digestion temperature on anaerobic digestion of whiskey byproducts and microbial taxonomy

doi:10.1016/j.enconman.2021.114331

GIEC OpenIR

	Assessment of pretreatment and digestion temperature on anaerobic digestion of whiskey byproducts and microbial taxonomy
	Kang, Xihui 1,3; Lin, Richen 1,3; Li, Lianhua2 ; Wu, Benteng 1,3; Deng, Chen 1,3; O'Shea, Richard 1,3; Sun, Yongming2 ; Murphy, Jerry D.1,3
	2021-09-01
发表期刊	ENERGY CONVERSION AND MANAGEMENT
ISSN	0196-8904
卷号	243 页码:12
通讯作者	Lin, Richen(richen.lin@ucc.ie)
摘要	The effects of steam and sulfuric acid pretreatment on anaerobic digestion (AD) of whiskey byproducts (including draff, thin and thick stillage) were investigated in order to improve the digestion performance under both mesophilic and thermophilic temperatures. The results of biomethane potential assays suggested that thermophilic AD facilitated the release of free ammonia (ca. 1200 mg/L) from byproducts, resulting in strong ammonia inhibition and volatile fatty acid accumulation. In contrast, no free ammonia inhibition (ca. 700 mg/L) was observed under mesophilic AD; the methane yield from mesophilic AD was between 375.3 +/- 13.6 mL/g volatile solid (VS; acid-treated sample) and 389.1 +/- 8.5 mL/g VS (untreated sample). Although acid pretreatment (2% acid under 135 degrees C for 15 min) did not improve the methane yield from mesophilic AD, it reduced the digestion time by 14.3% compared to that of the untreated sample. Microbial community analysis showed that irrelevant of pretreatment, hydrogenotrophic methanogens of Methanobrevibacter (28.9%-49.8% in abundance) and Methanoculleus (26.0%-55.9% in abundance) were the dominant archaeal genus under mesophilic AD. In comparison, hydrogenotrophic Methanothermobacter (over 97% in abundance) were dominant in thermophilic AD. This study could be exploited to aid in decarbonizing the whiskey industry by optimizing the biogas process in a circular economy system.
关键词	Whiskey byproducts Pretreatment Anaerobic digestion Ammonia inhibition Microbial community
DOI	10.1016/j.enconman.2021.114331
关键词[WOS]	SYNTROPHIC ACETATE OXIDATION ; ORGANIC LOADING RATE ; METHANE PRODUCTION ; BIOGAS PRODUCTION ; CO-DIGESTION ; GEN. NOV. ; BIOMETHANE PRODUCTION ; AMMONIA INHIBITION ; ACID PRETREATMENT ; PENNISETUM-HYBRID
收录类别	SCI
语种	英语
资助项目	China Scholarship Council ; Science Foundation Ireland (SFI) through the MaREI centre for energy, climate and marine[12/RC/2302_P2] ; Science Foundation Ireland (SFI) through the MaREI centre for energy, climate and marine[16/SP/3829] ; Environmental Protection Agency -Ireland[2018-RE-MS13] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21050400] ; European Regional Development Fund under the Interreg NWE Project BioWILL[NWE 964] ; IDL Pernod Ricard through the MaREI centre ; Gas Networks Ireland through the Gas Innovation Group
WOS研究方向	Thermodynamics ; Energy & Fuels ; Mechanics
项目资助者	China Scholarship Council ; Science Foundation Ireland (SFI) through the MaREI centre for energy, climate and marine ; Environmental Protection Agency -Ireland ; Strategic Priority Research Program of the Chinese Academy of Sciences ; European Regional Development Fund under the Interreg NWE Project BioWILL ; IDL Pernod Ricard through the MaREI centre ; Gas Networks Ireland through the Gas Innovation Group
WOS类目	Thermodynamics ; Energy & Fuels ; Mechanics
WOS记录号	WOS:000685052600005
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计	被引频次：12[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/33637
专题	中国科学院广州能源研究所
通讯作者	Lin, Richen
作者单位	1.Univ Coll Cork, MaREI Ctr, Environm Res Inst, Cork, Ireland 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 3.Univ Coll Cork, Sch Engn, Cork, Ireland
推荐引用方式 GB/T 7714	Kang, Xihui,Lin, Richen,Li, Lianhua,et al. Assessment of pretreatment and digestion temperature on anaerobic digestion of whiskey byproducts and microbial taxonomy[J]. ENERGY CONVERSION AND MANAGEMENT,2021,243:12.
APA	Kang, Xihui.,Lin, Richen.,Li, Lianhua.,Wu, Benteng.,Deng, Chen.,...&Murphy, Jerry D..(2021).Assessment of pretreatment and digestion temperature on anaerobic digestion of whiskey byproducts and microbial taxonomy.ENERGY CONVERSION AND MANAGEMENT,243,12.
MLA	Kang, Xihui,et al."Assessment of pretreatment and digestion temperature on anaerobic digestion of whiskey byproducts and microbial taxonomy".ENERGY CONVERSION AND MANAGEMENT 243(2021):12.