METHOD FOR DISTILLING SOLVENT AND DRY-CLEANING WASTE PURIFICATION Russian patent published in 1998 - IPC

Abstract RU 2120510 C1

FIELD: household chemistry. SUBSTANCE: distillation is performed by distilling off solvent/added water azeotrope from evaporator. Water is poured into evaporator before polluted solvent is poured in. During the distillation, water is connected returned into evaporator. EFFECT: reduced cost of operation on account of reduced water consumption. 1 dwg

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RU 2 120 510 C1

Authors

Nizhegorodtsev V.I.

Nizhegorodtseva S.V.

Nizhegorodtseva T.V.

Dates

1998-10-20Published

1995-04-20Filed