Effect of dairy manure to switchgrass co-digestion ratio on methane production and the bacterial community in batch anaerobic digestion

Zheng, Zicheng; Wang, Jinhuan; Yuan, Xufeng; Wang, Xiaofen; Zhu, Wanbin; Yang, Fan; Cui, Zongjun

doi:10.1016/j.apenergy.2015.04.078

Cited by 142 publications

(58 citation statements)

References 44 publications

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“…Until recently, various biomass wastes such as crop waste , forestry waste (Zheng et al, 2015), fruit waste (Dias et al, 2014), vegetable waste (Belle et al, 2015), food waste (Zarkadas et al, 2015;El-Mashad and Zhang, 2010), and municipal solid wastes (Macias-Corral et al, 2008) have been used to perform a anaerobic co-digestion with DM. The codigestion of DM with three crop straw residues (SRs) under five mass mixing ratios (SRs/DM) demonstrated that a high methane content and the highest cumulative biogas yield were achieved at the SRs/DM mass mixing ratios 1:9 and ratio 5:5, respectively .…”

Section: Introductionmentioning

confidence: 99%

Mesophilic anaerobic co-digestion of aloe peel waste with dairy manure in the batch digester: Focusing on mixing ratios and digestate stability

Huang

Yun

Zhu

et al. 2016

Bioresource Technology

117

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Section: Introductionmentioning

confidence: 99%

Mesophilic anaerobic co-digestion of aloe peel waste with dairy manure in the batch digester: Focusing on mixing ratios and digestate stability

Huang

Yun

Zhu

et al. 2016

Bioresource Technology

117

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“…The AD of the organic fraction of municipal solid waste (OFMSW) [4][5][6], sewage sludge [7][8][9][10] and food waste [11][12][13] is by far one of the most rational solutions to manage this waste, this matrix is of the most used feedstock for biogas production: nevertheless, for what concern the agricultural and agro-industry sectors the suitable feedstock are several. Besides energy crops (e.g., cereals, grass, mischantus, switchgrass and sunflower) specifically cultivated, animal slurry and manure as well as waste (e.g., pomace, vegetable residues, tomato peel and skin, slaughterhouse waste) and by-products (from winery and distilleries, from biodiesel production, from cereal mill) of the main agro-industries can be digested [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Agricultural anaerobic digestion plants: What LCA studies pointed out and what can be done to make them more environmentally sustainable

et al. 2016

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Anaerobic Digestion (AD) has been recognized as a viable solution to produce renewable energy and to reduce global warming especially when secondary feedstock and/or wastes are used. Several LCA studies analysed the environmental performances of biogas production systems. The results of this review highlight that the goal, scope, life cycle impact assessment (LCIA) methodology, feedstocks and geographical regions covered by the studies vary widely. Most studies are based in Europe, several in China and few in South and North America and in Africa. To better highlight how the choices on the feeding mix, the digestate storage, the surplus heat valorisation as well as the plant size can affect the environmental performances of agricultural AD plants four plants have been analyzed in this study. The results suggest that the energy crops production and the operation of anaerobic digesters, including digestate emission from open tanks, are the main contributors to the impacts from biogas electricity. This entails that it is environmentally better to have smaller plants using slurry and waste rather than bigger plants fed with energy crops. Recovering heat waste as well as covering of digestate tank would improve significantly the environmental sustainability of biogas electricity, and particularly the global warming category. We are pleased to enclose the revised version of our original manuscript of our paper entitled "Agricultural anaerobic digestion plants: What LCA studies pointed out and what can be done to make them more environmentally sustainable" which can hopefully be published in Applied Energy.Many thanks to the reviewers for their comments; they helped us to improve the manuscript.We hope that the manuscript in the revised form is appropriate for publication in Applied Energy.On behalf of all the Authors, as corresponding Author, yours sincerely, Cover Letter Title: Agricultural anaerobic digestion plants: What LCA studies pointed out and what can be done to make them more sustainable Dear Editor, we would like to thank you for the reviewers' comments. We are grateful to all the reviewers for devoting their time to review our manuscript. As you can see, we have taken most of them into consideration to modify the paper. We hope that the paper in this current revised version can be accepted for publication. Below, we enclose an explanation of how we have addressed the questions raised. Reviewer #1The manuscript is working on the review of the environmental impacts of biogas production. It includes good results, an interesting methodology, and related to the scope of this Journal. I suggest to accept it after some minor revisions. Thank you for your positive comments and for useful suggestions.The authors should write about the difference between their study and the following research: * Hijazi, O., Munro, S., Zerhusen, B. and Effenberger, M., 2016. Review of life cycle assessment for biogas production in Europe. Renewable and Sustainable Energy Reviews, 54, 1291-300. Done, we specified in the int...

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“…The methane yields in run 6 and run 8 are 171 mL of CH 4 /g VS added and 196 mL of CH 4 /g VS added , respectively. The corresponding methane yields are higher than the reported methane yield for mono‐digestion of CM (126 mL of CH 4 /g VS added ) and co‐digestion (1:1 ratio) of switchgrass and dairy manure (158 mL of CH 4 /g VS added ) . The C/N ratio in corresponding high biogas produced co‐digestion mixes are 33 (run 6) and 16 (run 8).…”

Section: Resultsmentioning

confidence: 72%

“…Moreover, the total solid loading (TS %) of each substrate acts as a key operational factor in influencing biogas production . The high total solid loading (TS %) results in accumulation of volatile fatty acids (VFAs), total ammonical nitrogen (TAN), and free ammonia, subsequently unstable process and poor degradation . There exist some research gaps to understand the co‐digetion behavior especially operational factors such as total solid loading in multi‐substrate co‐digestion .…”

Section: Introductionmentioning

confidence: 99%

Multi‐substrate anaerobic co‐digestion of citrus pulp, lawn grass, and chicken manure—A batch study

Sukhesh

Muske

Rao

2019

Env Prog and Sustain Energy

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Anaerobic digestion of organic waste is a promising alternative to landfilling and is being encouraged by current policies in India. However, nutritional imbalance of single waste as a substrate in anaerobic digestion is limiting the effective degradation in biogas production. Co‐digestion of multiple organic wastes where the digestion of two or more substrates is carried out in a single digester is a promising method to enhance the nutritional balance. The present study investigated the possibilities of improving biogas production with co‐digestion of citrus pulp (CP), lawn grass (LG), and chicken manure (CM) based on the total solid loading (TS %). The design of experiments and analysis of the co‐digestion effect were carried out with central composite design (CCD) and response surface methodology (RSM), respectively. Biogas production was found to vary more with respect to total solid loading (TS %) than C/N ratio of the co‐digestion mix. The low influence of C/N ratio may be due to prevalence of optimal C/N ratio of 16–33 in all co‐digestion mixes. The adopted central composite design–response surface methodology (CCD–RSM) led to maximum biogas production of 688 mL at CP of 0.28 (TS %), LG of 9.4 (TS %), and CM of 4 (TS %). The CCD–RSM is a suitable approach to maximize the biogas production in multi‐substrate anaerobic co‐digestion. © 2019 American Institute of Chemical Engineers Environ Prog, 38:e13146, 2019

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Effect of dairy manure to switchgrass co-digestion ratio on methane production and the bacterial community in batch anaerobic digestion

Cited by 142 publications

References 44 publications

Mesophilic anaerobic co-digestion of aloe peel waste with dairy manure in the batch digester: Focusing on mixing ratios and digestate stability

Mesophilic anaerobic co-digestion of aloe peel waste with dairy manure in the batch digester: Focusing on mixing ratios and digestate stability

Agricultural anaerobic digestion plants: What LCA studies pointed out and what can be done to make them more environmentally sustainable

Multi‐substrate anaerobic co‐digestion of citrus pulp, lawn grass, and chicken manure—A batch study

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