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Описание: Invention deals with cleaning of domestic excremental sewage and oil-grease traps from polluting deposits, and acid waste waters from oil-greasy contaminationMethod includes preliminary mechanical cleaning of the traps and sewage from deposits, washing out of reservoirs and pipeline of the
sewage system from contamination, along with acid solutions with oil-greasy pollutants. Oil-greasy products are collected
from the surface of the solutions; solutions go into the sewage with content of pollutants less than maximum concentration limit.
At the start of the washing off cycle contaminating impurities are activated by means of hot activated solution of an all
- purpose washing technical substance, received from dilution of all - purpose washing technical substance with hot service
water for domestic - excremental sewage in the ratio 1:100, for oil-grease traps and acid solutions with oil - greasy contamination in
the
ratio 1:10 with consecutive stirring within 10-20 minutes and exposing for activation within 45 minutes. Reservoirs of the
traps, pipe lines of the sewage get filled with the solution; it is as well added to contaminated acid solutions in the ratio 2:1 by volume.
Then,washing is conducted exposing contaminated objects to the action of this activated solution.
Present method ensures high efficiency of sewage system treatment, extends service life of the pipe lines, reduces recourse and
power consumption and enables to receive aditionally disposed of oil and greasy products.
EFFECT: high efficiency of sewage system treatment, extended service life of pipe lines, reduced recourse and power
consumption and additional getting disposed of oil and greasy products.