TU Hamburg

Low-tech options for chicken manure treatment and application possibilities in agriculture

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Courtesy of TU Hamburg

SUMMARY: Problems related to chicken manure disposal are a relevant issue in many countries of Asia due to the constantly increasing demand for chicken products. An application without treatment or non-appropriate disposal can become risky for environment and humans. Simple treatment techniques which convert the manure into valuable fertilizer are needed. A low-tech option is currently under development at Hamburg University of Technology. It is a simple approach for the production of manure pellets within a small vessel which is equipped with stirrers. By adjusting the parameters moisture content, rotation speed, aeration and temperature, pellets of almost spherical shape can be formed within hours. Pelletising should be combined with a further treatment step including drying and hygienising. In this work pellet properties
were analysed with respect to important application parameters for a fertilizer such as nutrient content. Distribution properties were characterised by a strength test and by analysing the shape of the pellets. The work was carried out in frame of the ASIA-PRO-ECO project “CHIMATRA”, financed by the European Union and the City of Hamburg.

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