FIELD: oil extracting industry. SUBSTANCE: compound has ingredients at following ratio of per cents of mass: sodium silicate 5-15, hydrolyzed polyacrylonitrile 1-10, wood flour 0.1-5, compound stabilizer-surfactant 0.01-1, water - the rest. EFFECT: higher efficiency. 3 tbl
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Authors
Dates
2004-06-10—Published
2002-07-29—Filed