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Improvement of Solid-State Anaerobic Digestion of Yard Waste by Co-digestion and pH Adjustment
Zhang, Guangyi1; Zhang, Zhikai2; Li, Chunxing3
2018-02-01
发表期刊WASTE AND BIOMASS VALORIZATION
ISSN1877-2641
卷号9期号:2页码:211-221
摘要To make clear the feasibility of controlled anaerobic digestion (AD) of organic fraction of municipal solid waste being implemented at transfer stations prior to their final disposal, the performance of solid-state AD (SSAD) of yard waste (YW) as well as the improvement by its co-digestion with food waste (FW) in combination with the aid of pH adjustment were investigated by conducting batch SSAD experiments. The results showed that AD of YW with high solid contents easily caused difficulties in the initiation stage due to accumulation of volatile fatty acids. Even with the aid of alkali to successfully initiate the initiation stage, the AD of YW with the high solid content of 29% generated such a low biogas yield as 207 mL/g VS. By contrast, co-digestion of YW and FW with pH adjustment gave the highest biogas and methane yields of 306 and 180 mL/g VS, 47.8 and 40.3% higher than those for AD of YW alone, respectively. A sufficiently long acidogenesis duration was helpful for biogas production, while the inhibitions from excessively high ammonia nitrogen concentrations and organic loading rates were apt to happen after extremely long acidogenesis durations. For co-digestion of YW and FW, adding proper amounts of alkali (CaO) on the 3rd days resluted in the best performance.
关键词Solid-state Anaerobic Digestion Yard Waste Food Waste Biogas Methane
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s12649-016-9798-4
收录类别SCI
语种英语
关键词[WOS]BIOGAS PRODUCTION ; AMMONIA INHIBITION ; DRY DIGESTION ; KINETIC-MODEL ; FOOD WASTE ; METHANE ; GENERATION ; FERMENTATION ; OPTIMIZATION ; PRETREATMENT
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
项目资助者National Natural Science Foundation of China-China(21161140329) ; Japanese-China Research Cooperative Program-China(S2016G6267) ; National Key Technology Research and Development Program-China(2012BAC03B05)
WOS记录号WOS:000423154900005
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23584
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Hebei GEO Univ, Sch Water Resources & Environm, Shijiazhuang 050031, Hebei, Peoples R China
3.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Pollutant Convers, Xiamen 36102, Fujian, Peoples R China
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Zhang, Guangyi,Zhang, Zhikai,Li, Chunxing. Improvement of Solid-State Anaerobic Digestion of Yard Waste by Co-digestion and pH Adjustment[J]. WASTE AND BIOMASS VALORIZATION,2018,9(2):211-221.
APA Zhang, Guangyi,Zhang, Zhikai,&Li, Chunxing.(2018).Improvement of Solid-State Anaerobic Digestion of Yard Waste by Co-digestion and pH Adjustment.WASTE AND BIOMASS VALORIZATION,9(2),211-221.
MLA Zhang, Guangyi,et al."Improvement of Solid-State Anaerobic Digestion of Yard Waste by Co-digestion and pH Adjustment".WASTE AND BIOMASS VALORIZATION 9.2(2018):211-221.
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