Process for upgrading tar sand bitumen
Patent
·
OSTI ID:5918514
A process is described for upgrading a charge of a tar sand bitumen concentrate containing mineral matter including fine particles which comprises contacting the charge in a riser in the presence of a low boiling organic solvent diluent with finely divided attrition-resistant particles of a hot fluidizable substantially catalytically inert solid which is substantially chemically inert to a solution of mineral acid. The contact of the charge with the particles is at high temperature and short contact time to vaporize the high hydrogen containing components of the bitumen, the period of time being less than that which induces substantial thermal cracking of the charge, at the end of the time separating the vaporizing product from the fluidizable particles. The fluidizable particles now bear a deposit of both combustible solid, adherent particles of fine particles of mineral matter and metals. The particles of inert solid are passed with deposit of combustibles and fine particles of mineral matter to a regenerator to oxidize the combustible portion of the deposits, removing at least a portion of deposit of mineral matter and metals by removing the inert solid from the regenerator and contacting removed inert solid with a hot mineral acid, and recirculating fluidizable solid depleted at least in part of deposited mineral matter to contact with incoming charge of tar sand bitumen concentrate and diluent.
- Assignee:
- Engelhard Corp., Menlo Park, NJ
- Patent Number(s):
- US 4818373
- OSTI ID:
- 5918514
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
040403* -- Oil Shales & Tar Sands-- Refining
ACIDIFICATION
BITUMENS
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
DEMINERALIZATION
MINERALS
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
OTHER ORGANIC COMPOUNDS
PARTICLES
PARTICULATES
PROCESSING
PYROLYSIS
REFINING
REMOVAL
SEPARATION PROCESSES
SOLUTES
SOLVENTS
TAR
THERMAL CRACKING
THERMOCHEMICAL PROCESSES
040403* -- Oil Shales & Tar Sands-- Refining
ACIDIFICATION
BITUMENS
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
DEMINERALIZATION
MINERALS
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
OTHER ORGANIC COMPOUNDS
PARTICLES
PARTICULATES
PROCESSING
PYROLYSIS
REFINING
REMOVAL
SEPARATION PROCESSES
SOLUTES
SOLVENTS
TAR
THERMAL CRACKING
THERMOCHEMICAL PROCESSES