摘要 |
<p>A digestion plant for the treatment of animal dejections comprises a fermentation bed (20) of inert material, in which in the upper portion (22) an aerobic fermentation occurs and in the lower portion (24) an anaerobic fermentation takes place, the dejections being admixed with the surface layer (26) of the fermentation bed which is sprayed with an activating nutrient composition. <IMAGE></p> |