FIELD: antifreezes. SUBSTANCE: antifreeze solution is treated in three-chamber electrodialyzer with ion-exchange membranes using circulation of antifreeze being regenerated through middle space with velocity from 0.3 to 50 m/s at 20 to 50 C and voltage on electrodes 10 to 50 V. EFFECT: enhanced regeneration efficiency. 1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD OF REFINING AND ISOLATING WATER-GLYCOL SOLUTION FROM EXHAUSTED ANTIFREEZES | 2003 |
|
RU2237648C1 |
METHOD OF REMOVING METAL SALTS FROM WASH WATERS | 1997 |
|
RU2133708C1 |
METHOD OF PREPARING LITHIUM HYDROXIDE | 1993 |
|
RU2071819C1 |
METHOD OF PURIFYING ANTIFREEZE BASED ON WATER-ETHYLENE GLYCOL SOLUTION TO REMOVE ETHYLENE GLYCOL OXIDATION PRODUCTS, CORROSION PRODUCTS, AND SUSPENDED IMPURITIES | 2002 |
|
RU2221766C1 |
RECOVERY METHOD OF LITHIUM CHLORIDE, DIMETHYLACETAMIDE AND ISOBUTYL ALCOHOL OR LITHIUM CHLORIDE AND DIMETHYLACETAMIDE FROM PROCESS SOLUTIONS FOR PRODUCTION OF PARA-ARAMID FIBRES | 2014 |
|
RU2601459C2 |
METHOD FOR OBTAINING THE TETRAMETHYLAMMONIUM HYDROXIDE | 2017 |
|
RU2647845C1 |
METHOD OF PREPARING XYLOSE FROM VEGETABLE RAW MATERIALS | 1994 |
|
RU2063442C1 |
METHOD OF RECUPERATION REVERSE-OSMOSIS PURIFICATION OF WASTE WATER TO REMOVE HEAVY METAL IONS | 1993 |
|
RU2088537C1 |
METHOD OF PRODUCING LITHIUM HYDROXIDE FROM BRINES AND PLANT FOR METHOD EMBODIMENT | 1998 |
|
RU2193008C2 |
METHOD OF ISOLATING SULFURIC ACID FROM SOLUTIONS | 0 |
|
SU1125001A1 |
Authors
Dates
1998-04-27—Published
1996-04-29—Filed