biogas

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biogas

[′bī·ō‚gas]
(materials)
A mixture of methane and carbon dioxide generated from the bacterial decomposition of animal and vegetable wastes.
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student Diana Rodriguez Alberto, from the Dominican Republic, who is trying to create a substance from the biogas digester's waste stream that can bind needed nutrients in the soil instead of allowing them to wash away and potentially create runoff problems.
It also runs a portable biogas digester for household and community use that is able to treat three kilos of domestic waste per day.
In this study, the soil body is regarded as a viscoelastic body with fractional-derivative properties and the exact expression of the displacement and stress of the infinite fractional-derivative viscoelastic soil surrounding the biogas digester is deduced based on the viscoelastic theory.
Of the overall cost per meal, the largest cost is allocated to the labour at 92% while only 8% is allocated to the cost of the plastic biogas digester. In the rural context of Moshi, feedstock processing for biogas production contributes 8% of the total life cycle costs along this value chain, which is wholly allocated to cost of the VACVINA digester.
Med shot, Sakphouseth showing Cracco a biogas digester
Its texture may cause scum formation in biogas digesters and inhibit the process.
Two manure management systems, one with a biogas digester and one without, are compared (Figure 1).
Africa: Waterford Kamhlaba United World College of Southern Africa in Swaziland will install solar panels and wind turbines to reduce reliance on grid electricity, while also setting up a biogas digester for cooking.
One major limiting factor of the practicality of biogas technology is the relatively high installation cost of the biogas digester [9].
Icecairo has so far produced a solar water heater with locally affordable materials, and a biogas digester. Products expected in the near future are air-filtration masks, a vertical wind turbine and a mini-green-house.
It can be produced inside a biogas digester which is essentially an airtight container in which organic waste such as cow dung and plant material is decomposed to produce biogas.
For example, food waste generated in the on-site cafeteria will be broken down in a biogas digester, producing nutrients that, when mixed with soil, will grow fresh vegetables for the residents.