METHOD OF REMOVING FORMALDEHYDE FORM EMISSION GASES Russian patent published in 2000 - IPC

FIELD: gas treatment. SUBSTANCE: invention can be used for cleaning gases at enterprises manufacturing particle boards. Method is implemented by contacting gas supplied at flow rate 0.5-0.7 m/s with mixed microorganism culture Methylobacterium capsulatus/Arthrobacter sidecocapsulatus/yeast family Hansenula DL-1 (3:2:1) with concentration of biomass (for solid material) 500 to 1000 g per 1 cu.m of biofilter, which culture is immobilized on a fibrous charge sprinkled with nutrient solution for 2 min at 20 min intervals. EFFECT: increased degree of purification and reduced power and water consumption. 4 cl, 20 ex