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A method for purifying exhaust antifreeze based on aqueous solution of ethylene glycol oxidation products, corrosion products, and mechanical impurities
A method for purifying exhaust antifreeze based on aqueous solution of ethylene glycol oxidation products, corrosion products, and mechanical impurities
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机译:一种基于乙二醇氧化产物,腐蚀产物和机械杂质的水溶液的废气防冻剂的净化方法
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摘要
FIELD: special-destination fluids. SUBSTANCE: invention resides in adding in adding coagulant followed by separation of centrifuge and clarification on activated carbon, said coagulant being composed of alkali metal hydroxide, 75% orthophosphoric acid, and sodium polyphosphate and added in amounts providing mixture containing, wt %: sodium or potassium hydroxide 0.01-1.0, 75% orthophosphoric acid 0.02-1.6, sodium polyphosphate 0.01-1.5, glycols 40.0-90.0, water and oxidation and corrosion products - the balance. EFFECT: improved quality of purification and reduced power consumption. 3 tbl, 3 ex
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