Mineral oils: processes and products – Treatment of refining sludge
Patent
1987-08-12
1988-10-04
Sneed, H. M. S.
Mineral oils: processes and products
Treatment of refining sludge
208299, 585240, 44 61, 110346, C10G 1700
Patent
active
047754575
ABSTRACT:
Crude oil sludges and other relatively heavy hydrocarbon liquid sludges are mixed with diatomaceous earth or perlite to form a friable and flowable solids mixture which is conveyed to a combustion unit, such as rotary kiln, calciner or lift pipe type combustor, wherein combustion of the hydrocarbons is carried out to provide gaseous combustion products and a substantially hydrocarbon free solids mixture. The solids discharged from the combustion unit may be recycled for use in the mixing process to reduce the sludge to a friable material for introduction to the combustion unit and excess solids may be discharged for disposal.
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Beer Gary L.
Li Ying H.
Atlantic Richfield Company
Martin Michael E.
Myers Helane
Sneed H. M. S.
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