FIELD: chemistry.
SUBSTANCE: method involves installation and mounting of said equipment, e.g., a pressure release device, onto process apparatus, e.g., a fractionation column, near the wetted region in the process apparatus, containing a flowing liquid-phase medium such that the mobile flowing liquid-phase medium at least periodically gets into contact with the equipment and washes off it at least one group comprising deposits of polymerisable material, a condensate containing said material and a polymer. The disclosed apparatus has a reservoir having at least one wall which forms an inner space which, when carrying out the process in the process apparatus, includes at least one wetted region with a flowing liquid-phase medium; and equipment attached to said wall near the wetted region.
EFFECT: providing safe prolonged use of processing apparatus for fractionation.
20 cl, 9 dwg, 2 ex
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