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ISHS Acta Horticulturae 302: International Symposium on Compost Recycling of Wastes

EMISSIONS FROM COMPOSTING PLANTS

Author:   Dr. W. Bidlingmaier
Abstract:
Every technical composting process sets emissions free, regardless of the materials being treated. These emissions can be classified according to at least three paths they can take:
  • water (leachates, condensates)
  • soil (compost)
  • air (odours)

The different relevant emissions, their analysis and their treatment are related to these paths. The locations and/or the place of generation of the emissions are determined by the processes shown in the flow sheet of a composting plant.

receiving area - leachates, odours

pre-treatment - leachates, (e.g. rotting dew) (elimination of metals, condensates from exhaust mixing, homogenizing treatment, odours screening)

post-treatment - odours, dust (screening, elimination of glass etc.)

end product - heavy metals, org. pollutant (compost)

In the following the results of an investigation of the effects of a composting plant on the environment, arising from emissions via the water, soil and air paths will be discussed.

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