METHOD FOR GRANULATION OF BIOCHAR WITH IMMOBILIZED MICROORGANISMS AND GRANULES OBTAINED BY SAID METHOD Russian patent published in 2019 - IPC C05G5/00 C05G3/00 C05F3/00 

FIELD: agriculture.

SUBSTANCE: inventions relate to agriculture. Method for biochar granulation from poultry manure with immobilized consortium of microorganisms is characterized by the fact that into granulator biochar is supplied in amount of 1 kg with moisture content of up to 5 %, with average linear size of biochar particles of not more than 2 mm±0.5 mm, added to 1 kg of biochar with immobilized microorganisms 500 ml of plasticizer, which is water solution of Clydezol «LAYXIL®» 40-AL in ratio of silica sol:water=4:1, then performing granulation process at temperature 40 °C±10 °C and atmospheric pressure to produce the target product in form of granules with size of 4 mm, then granules are dried at room temperature for 2 hours. Biochar granules have macropore size of not less than 5 mcm, specific surface area of not less than 10 m²/kg, toxicity (Cr₁₀) with respect to P. caudatum of not more than 5 and D. magna not more than 20, content by dry substance of carbon of not less than 40 wt%, nitrogen not less than 3.5 wt%, phosphorus not less than 1.5 wt%, potassium not less than 4 wt%.

EFFECT: inventions allow maintaining content of basic biogenic elements for a long period of time, low toxicity, hygroscopicity, size and distribution of pores, excluding caking of granulated fertilizer.

2 cl, 8 dwg, 7 ex