METHOD OF NEUTRALIZATION OF INDUSTRIAL SEWAGE CONTAINING OIL PRODUCTS AND ORGANIC COMPONENTS Russian patent published in 2002 - IPC

FIELD: methods of neutralization of industrial sewage of oil and gas producing industry and enterprises using oil products. SUBSTANCE: method includes flotation, addition of flocculants or coagulants and settling of neutralization products. Neutralization is carried out in working zone of apparatus with rotating electromagnetic field. Flocculants or coagulants are added to industrial sewage after sewage leaving of apparatus with rotating electromagnetic field. Added to obtained sludge after settling are used oils or other oil products so that water content in obtained mixture amounts from 5 to 30%. Obtained mixture is processed into liquid furnace fuel in working zone of apparatus with rotating electromagnetic field. EFFECT: transformation of multistage process line into single-stage one, considerable reduction of material, power consumption and labor input and working areas. 2 dwg, 2 tbl, 1 ex