abstract |
FIELD: process engineering. n SUBSTANCE: invention relates to cleaning of fluid production equipment, particularly, to cleaning of membrane filters. Said equipment is brought in contact with periodate solution. In compliance with first version, said solution represents an acid liquor. In compliance with first version, said solution represents an alkaline solution. Preferably, said process should be carried out at 15-90°C. n EFFECT: higher efficiency. n 13 cl, 7 ex |