FIELD: cleaning of car washing unit sewage water. SUBSTANCE: apparatus has first reservoir for receiving sewage water and second reservoir for receiving cleaned water. First reservoir is connected via first pipeline, which may be cutoff, to third reservoir, which is filled due to reduced pressure and is capable of self-emptying, when predetermined level is reached. Third reservoir is directly or indirectly connected with its side to second reservoir. Water-jet air pump is mounted in second reservoir containing cleaned water or in other reservoir. Pump suction side is connected with third reservoir via second pipeline, which may be cut-off and connected with slime receiving reservoir. Construction of apparatus allows separate slime pits to be eliminated from system. EFFECT: simplified construction and high-quality cleaning of sewage water. 14 cl, 5 dwg
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