Small Scale Biodigester (PA Technology)

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Name of technology example: Type
Small Scale Biodigester
Small Scale Biodigester.jpg
☐ Energy Efficiency
Renewable Energy
☐ Alternative Methodology
Description Anaerobic digestion is a collection of processes by which microorganisms break down biodegradable material in the absence of oxygen. The process is used for industrial or domestic purposes to manage waste and/or to produce fuels. Much of the fermentation used industrially to produce food and drink products, as well as home fermentation, uses anaerobic digestion.

Anaerobic digestion is already widely used in agriculture as a source of renewable energy.

Technology for the Application of
☐ Solar Biomass ☐ Biofuel
☐ Biogas ☐ Wind ☐ Geo-Thermal
☐ Hydro ☐ Energy Efficiency
☐ Other: /
Primarily Relevant for the following Agricultural Value Chain Steps
☐ Mechanization ☐ Efficiency of Operation ☐ Processing
☐ Transportation ☐ Controlled Atmosphere ☐ Controlled Temperature
☐ Mechanical Sorting ☐ Preservation
Other: All steps in which heat, lighting, fertilizer and bio mass waste management are required;
Primarily Relevant for the following Agricultural Value Chain Activities
☐ Grinding ☐ Hauling and conveying ☐ Sorting
☐ Seedbed Preparation ☐ Milling ☐ Tearing
☐ Planting ☐ Washing ☐ Mixing
☐ Pumping ☐ Heating ☐ Drying
☐ Irrigation ☐ Cooling ☐ Animal feeding
☐ Fertilizing ☐ Venting ☐ Animal health and Welfare
☐ Pest Management ☐ Lighting ☐ Packing and branding
☐ Cutting ☐ Sanitation
Other: all actions in which heat, lighting, fertilizer and bio mass waste management are required;
Primarily Implemented in the following Commodity Groups
☐ Cereals ☐ Fruits and vegetables ☐ Nuts and berries
☐ Forage ☐ Dairy products ☐ Meat products
☐ Oil Seeds ☐ Roots and Tubers ☐ Eggs
☐ Pulses ☐ Fiber Crops ☐ Forestry
☐ Sugars ☐ Stimulants ☐ Spices
Other: All commidity groups with heating, drying and lighting as well as bio mass waste management are required;
Region & Country of
Development
Worldwide

Africa
South Asia
East Asia & The Pacific
Europe & Central Asia
Latin America & The Caribbean
Middle East & North Africa
North America
☐ N/A: /
Region & Country of
Current Deployment
Worldwide

Africa
South Asia
East Asia & The Pacific
Europe & Central Asia
Latin America & The Caribbean
Middle East & North Africa
North America
☐ N/A: /
Region & Country of
Potential Deployment
Worldwide

Africa
South Asia
East Asia & The Pacific
Europe & Central Asia
Latin America & The Caribbean
Middle East & North Africa
North America
☐ N/A: /
Manufacturers Puxin: http://puxinkj.oinsite1.cn/_d269998419.htm Tinytech: http://www.tinytechindia.com/Template/index.php?id=59&Title=BIO%20GAS%20PLANTS
Economics
Technology Development Level Well established regional use;
Required Maintenance Technical Level Low: Technology to be maintained through its life cycle requires less common tools and/or training is required for maintenance;
Required Infrastructure for Deployment Low: Technology can be developed with less common tools, low development level supporting technologies and moderately trained personnel;
Required Resources during manufacture Cement, metal, plastics;
Required Resources during operation Bio mass;
Deployment
Level
Country-wide use;
Deployment Capability and Potential The technology can be widely deployed, limited only by education;
Requirements for Deployment Know-how transfer;
Relevance for Autonomy and Food Security Energy independent: operates with onsite renewables, requires supporting tech and services;
Environment Impacts (emissions) Low: no direct emissions but indirect emissions; Small scale biodigester operation is considered to be a zero sum operation. Emissions are related to the manufacture, assembly and distribution of system materials. These are primarily cement and petroleum industry related materials. Leakages, although repairable, are possible, which could create groundwater contamination issues or methane gas emissions.
Conformity with Bio- Cybernetic System Rules This technology primarily conforms with Bio Cybernetic Rules. Its operation is synchronous with typical small farm operation and supports farm family cooking, heating and lighting needs. The technology is operation oriented, provides multiple uses and manages waste streams. The technology, however, does require materials which are not biological or compostable.
Additional information / Comments No comments.
Internal Reference
Additional Links

https://energypedia.info/wiki/Portal:Biogas

http://en.wikipedia.org/wiki/Biogas

http://www.naturalbuildingblog.com/small-scale-biogas-plants/

http://csanr.wsu.edu/anaerobic-digestion/small-scale-biogas-technology/

http://www.youtube.com/watch?v=UdLYJiaVUl4

https://www.globalmethane.org/expo-docs/india10/postexpo/ag_kishore.pdf

http://www.biogas.cn/CN/B_Technology.aspx?tid=45017753-fd39-436c-a120-e254e8681916&tnme=%E6%88%B7%E7%94%A8%E6%B2%BC%E6%B0%94

http://www.youtube.com/watch?v=LJXuqNVxaDg

http://puxinkj.oinsite1.cn/_d269998419.htm

http://practicalaction.org/biodigester-construction-manual

"Renewable Energy," is not in the list (Energy Efficiency, Renewable Energy, Alternative Methodology) of allowed values for the "PAT Type" property.