Biogas system in rural China: Upgrading from decentralized to centralized?

Qiu, Chen; Liu, Tianbiao

doi:10.1016/j.rser.2017.04.113

Cited by 118 publications

(43 citation statements)

References 30 publications

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“…The technology has spread mainly in Asia (Chen & Liu, 2017;IRENA, 2017;Mittal et al, 2018) and only modestly in Africa (Amigun et al, 2012;Clemens et al, 2018;Roopnarain & Adeleke, 2017) and Latin America (Fundación Ecología y Desarrollo, 2016). Biogas from household-scale digesters is a feasible technology in LMICs with significant potential for expansion in rural areas with ready access to animal and agricultural waste, as well as water, to feed digesters.…”

Section: Biogasmentioning

confidence: 99%

“…Prefabricated digesters are increasingly popular in China (Chen & Liu, 2017) and Mexico (Fundación Ecología y Desarrollo, 2016). Fixed dome digesters have been promoted by donor agencies (e.g., the German GTZ, the Netherlands Development Organization (SNV)) as being robust and having a lifetime of 20 years or longer if properly maintained.…”

Section: Physical Infrastructurementioning

confidence: 99%

“…Biogas from household-scale digesters is a feasible technology in LMICs with significant potential for expansion in rural areas with ready access to animal and agricultural waste, as well as water, to feed digesters. The technology has spread mainly in Asia (Chen & Liu, 2017;IRENA, 2017;Mittal et al, 2018) and only modestly in Africa (Amigun et al, 2012;Clemens et al, 2018;Roopnarain & Adeleke, 2017) and Latin America (Fundación Ecología y Desarrollo, 2016).…”

Section: Biogasmentioning

confidence: 99%

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Supply Considerations for Scaling Up Clean Cooking Fuels for Household Energy in Low‐ and Middle‐Income Countries

et al. 2019

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Promoting access to clean household cooking energy is an important subject for policy making in low-and middle-income countries, in light of urgent and global efforts to achieve universal energy access by 2030 (Sustainable Development Goal 7). In 2014, the World Health Organization issued "Guidelines for Indoor Air Quality: Household Fuel Combustion", which recommended a shift to cleaner fuels rather than promotion of technologies that more efficiently combust solid fuels. This study fills an important gap in the literature on transitions to household use of clean cooking energy by reviewing supply chain considerations for clean fuel options in low-and middle-income countries. For the purpose of this study, we consider electricity, liquefied petroleum gas (LPG), alcohol fuels, biogas, and compressed biomass pellets burned in high performing gasifier stoves to be clean fuel options. Each of the clean fuels reviewed in this study, as well as the supply of electricity, presents both constraints and opportunities for enhanced production, supply, delivery, and long-term sustainability and scalability in resource-poor settings. These options are reviewed and discussed together with policy and regulatory considerations to help in making these fuel and energy choices available and affordable. Our hope is that researchers, government officials and policy makers, and development agencies and investors will be aided by our comparative analysis of these clean household energy choices.

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Section: Biogasmentioning

confidence: 99%

Section: Physical Infrastructurementioning

confidence: 99%

Section: Biogasmentioning

confidence: 99%

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Supply Considerations for Scaling Up Clean Cooking Fuels for Household Energy in Low‐ and Middle‐Income Countries

et al. 2019

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“…Worldwide, large amounts of livestock and poultry manure have become concentrated in certain areas over the last few decades, as agricultural land is not sufficient for their recycling via the soil‐plant system. This fact together with the inadequate management of these wastes, has caused serious land, water, and air pollution problems (Chen & Liu, ; Li, Liu, et al., ) that have received increased attention from environmentalists, economists, and policymakers (Li, Cheng, Yu, & Yang, ).…”

Section: Introductionmentioning

confidence: 99%

Methanogenic community during the anaerobic digestion of different substrates and organic loading rates

Kong

Zhang

et al. 2018

MicrobiologyOpen

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Three anaerobic reactors using pig manure (PM), maize straw (MS), and a mixture of the two as substrates were compared for archaeal community structure and diversity, and for methanogens response to increased organic loading rate (OLR, expressed in the mass of volatile solid (VS)). Methanogenic archaeal richness during codigestion of pig manure with maize straw (ACE: 2412) was greater than that during the others (ACE: 1225, 1467) at an OLR of 4 g L day , accompanied by high specific methane yield. Euryarchaeota and Crenarchaeota predominated during overall digestion of different substrates; with relative abundances of 63.5%-99.0% and 1.0%-36.3%, respectively. Methanosarcina was the predominant genus that accounted for 33.7%-79.8% of the archaeal community. The diversity in the PM digester decreased with increase in OLR, but increased in the MS digester. The diversity was stable during the codigestion with increased OLR. The relative abundances of hydrogenotrophic methanogens increased by 2.6 and 2.1 folds; the methanogenic community shifted from acetoclastic to hydrogenotrophic methanogens during digestion of MS, and of the mixture of MS and PM. Canonical correspondence analysis revealed a strong relationship between reactor parameters and methanogenic community.

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“…The analysis of global trends shows that this direction is and should gradually be developing, mainly due to environmental and economic factors [Safarzyńska and van den Bergh, 2017]. Additionally, in recent years there has been a significant development of agricultural biogas plants in comparison to other renewable energy sources (RES) [Chen and Liu, 2017;Kozłowski et al, 2017]. In Poland, excluding small and micro installations, there are 93 units with a total capacity of approximately 101 MW [http://www.arr.gov.pl], with a tendency of their dynamic development.…”

Section: Introductionmentioning

confidence: 99%

Agricultural Biogas Plants as a Chance for the Development of the Agri-Food Sector

Czekała¹

2018

J. Ecol. Eng.

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Agricultural biogas plants are an important source of energy, where the substrates from agricultural crops can be used. However, these plants need a daily input of biomass in the quantities up to several dozen tons. A few years ago, the most important substrate used for biogas production was maize silage. However, currently, there is a trend to limit the use of the afore-mentioned substrate. This is mainly due to the high cost of the substrate and the conflict over the rational use of valuable soils for biomass production for energy purposes. In the paper, the author undertook the attempts to discuss the possibility of limiting the use of raw vegetable materials for energy production, replacing them with agri-food production waste.

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Biogas system in rural China: Upgrading from decentralized to centralized?

Cited by 118 publications

References 30 publications

Supply Considerations for Scaling Up Clean Cooking Fuels for Household Energy in Low‐ and Middle‐Income Countries

Supply Considerations for Scaling Up Clean Cooking Fuels for Household Energy in Low‐ and Middle‐Income Countries

Methanogenic community during the anaerobic digestion of different substrates and organic loading rates

Agricultural Biogas Plants as a Chance for the Development of the Agri-Food Sector

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