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Latest Inventions  Prospecting, production activity and waste handling of minerals Refining METHOD OF REGENERATING EXHAUSTED MINERAL OILS AND THEIR MIXTURES
METHOD OF REGENERATING EXHAUSTED MINERAL
OILS AND THEIR MIXTURES
FIELD: lubricants.
SUBSTANCE: exhausted mineral
oils and their mixtures are treated with 15-20% aqueous solution of sodium
metasilicate (modulus 0.5-0.9) in amount 5-7% of the weight of exhausted oil
during 25-30 min, after which emulsion is settled, centrifuged, and thus
obtained oil is vacuumized at 80-90 C and absolute pressure 100 mm Hg during
20-30 min.
EFFECT: simplified regeneration technology. 1 tbl, 3 ex
Mikheeva Eh.A.
Patent number: 2206606
Publishing date: July 29, 2003
To make the order on reception of the complete information under the invention, interesting for you
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