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oa Agriprobe - Incorporating biogas into South African farming practices

Volume 8, Issue 1
  • ISSN : 1810-9799

 

Abstract

Farm scale biogas plants typically consist of two or three digesters, each retaining the feedstock for a specified period. Retention time varies between 3 and 50 days depending on the type of feedstock used. Some digesters are stirred with mechanised stirrers to ensure that the feedstock is optimally exposed to the bacteria. Digesters are often heated to maintain the appropriate temperatures (approximately °C) at which the process takes place. In 2008, the average capacity of farm-scale German biogas plants was 350 kW, but larger plants of around 5 MW are also found (Siemens Limited, 2010).

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/content/agriprob/8/1/EJC19041
2011-03-01
2019-11-13

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