Mineral oils: processes and products – Refining – Sulfur removal
Patent
1978-06-12
1980-05-27
Crasanakis, George
Mineral oils: processes and products
Refining
Sulfur removal
208 89, 208246, 252419, C10G 2916, C10G 2906, C10G 2904
Patent
active
042049474
ABSTRACT:
Thiol impurities are absorbed and removed from hydrocarbon oils by contacting the oil in the absence of molecular oxygen with a scavenger at a temperature in the range of about 120.degree. to 400.degree. C. The scavenger is a composite having a copper component and an inorganic porous carrier component and having a surface area in the range 20 to 1000 square meters per gram. The contacting must be discontinued when the thiol impurity content of the effluent product exceeds about 0.3 ppm.
REFERENCES:
patent: 2755227 (1956-07-01), Lucas
patent: 4113606 (1978-09-01), Mulaskey
Gibson Kirk R.
Jacobson Robert L.
Chevron Research Company
Crasanakis George
Davies R. H.
Evans R. H.
Newell D. A.
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