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Bioslurry = Brown gold?

A review of scientific literature on the co-product of biogas production

Year of publication 2013

Author De Groot, L.; Bogdanski, A.;Climate, Energy and Tenure Division

Product type Book (stand-alone)

Series title Environment and Natural Resources Management Working Paper

Series number 9789251071502|2226-6062

Edition 1

Synopsis (short abstract) In recent years, there has been an increasing interest in anaerobic digestion of farm and household residues in many parts of the world. Smallholder biogas digesters and community biogas plants can be found all throughout Asia, but also progressively in Latin America and Africa. Anaerobic digestion produces two main outputs: biogas and bioslurry, the digestate or digester effluent. While biogas is used to produce energy, the large potential of bioslurry has often been overlooked. A l arge part of both the scientific and grey literature focuses on the production of energy alone, but does not venture into the multiple uses and intricacies of bioslurry use. Technical organizations such as NGOs, extension services and local universities and, last but not least, smallholders themselves, are often not fully aware of the multiple benefits of bioslurry use, nor do they know of the risks associated with handling and applying it on their farm.This review therefore attempts t o synthesize the findings of the growing peer-reviewed literature on bioslurry to provide a sound and scientific basis for bioslurry use. At the same time, it sets out to identify the various research gaps related to bioslurry.

Language English

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