Mineral oils: processes and products – Refining – Purifying used oil
Patent
1987-08-10
1988-12-06
Sneed, H. M.
Mineral oils: processes and products
Refining
Purifying used oil
208177, 208290, 210727, 210729, 252 51, C10M 1100
Patent
active
047894601
ABSTRACT:
A process for filtering contaminants from oil is provided. A polyalkoxyalkylamine is admixed with the oil in an amount sufficient to improve the filtration rate thereof. The polyalkoxyalkylamine is particularly suitable for use in processes for removing impurities from used lubricating oil wherein the oil is admixed with a treating agent to form a precipitate of the impurities and the impurities are filtered from the oil.
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Pamphlet by Rohm & Haas Company entitled Triton RW-Surfactants, No. CS-450 (Jul., 1982).
Johnson Marvin M.
Tabler Donald C.
Myers Helane
Phillips Petroleum Company
Sneed H. M.
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