METHOD OF PROCESSING LIQUID MANURE INTO FERTILISER, ELECTRICAL AND THERMAL ENERGY AND BIOENERGY UNIT FOR ITS IMPLEMENTATION Russian patent published in 2014 - IPC C05F3/00 

FIELD: agriculture.

SUBSTANCE: method of processing liquid manure into fertiliser, electrical and thermal energy, according to which the original manure is consistently subjected to preliminary preparing in a unit equipped with agitation means, anaerobic treatment to biogas and bioshlam in digester, equipped with means of stabilizing the temperature mode, the bioshlam is subjected to mechanical dewatering to obtain liquid and solid fractions, the solid fraction is dried in a convection dryer using energy of combustion of biogas and obtaining dry fraction and the humid gas, the dry fraction is used for the preparation of fertilisers, the humid gas is used to stabilise the temperature mode of the digester, the liquid fraction is subjected to gravity separation in a sediment basin to obtain thickened fraction and the supernatant, the thickened fraction is directed to the machine of preliminary preparation, the supernatant is directed to the subsequent purification, and the biogas is accumulated in the gas storage and burned in a cogeneration plant with obtaining electric and thermal energy. The bioenergetic system for implementing the method of processing liquid manure into fertiliser.

EFFECT: inventions enable to improve the energy efficiency of the process, to improve the quality of fertilisers.

2 cl, 1 dwg