To reduce the costs of the use of closed rooms and flooring of reinforced concrete, it is enough to prepare the required area only for fermentation during the first month, when the most frequent mixing is performed. For subsequent stages of fermentation, the material can be laid without much damage in a heap of greater height, thus reducing the occupied space.
In any case, fermentation in heaps in the open air with periodic mixing can only be used in the installations of small and medium performance. In large installations, the efficiency of the method is reduced, since a large area and a significant number of workers for mixing are required.
The method of fermentation in air conditioned conditions is used on large installations, when it is unprofitable to use the enzyme in the open air. In the second case, the so -called autoclaves or bio -shoes are used, which, when rotating, evenly and continuously move the scum for one or more days. Then the discharges are again laid in heaps to complete the biological process of maturation.
Often mistakenly argue that the material coming out of the bio -baraban is ready for fertilizer. Within a few days, complete maturation of the material cannot end. This provision is confirmed by practice; In the material that has emerged from the bio -baraban and laid in heaps, an active enzymatic process continues, accompanied by an increase in temperature.
Fermentation in conditioned conditions does not accelerate the process of transformation, but only makes it possible to automatically replace mixing with shovels.
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