Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process
First Claim
1. An apparatus to remove water and solids from a bitumen froth comprising:
- (i) a bitumen froth processing circuit having a circuit inlet to receive bitumen froth to be processed, a circuit product outlet to provide bitumen product and a circuit tails outlet to provide material removed from the bitumen froth to be processed;
(ii) a primary inclined plate separator stage having a primary IPS input coupled to said circuit inlet, a primary IPS overflow output coupled to said circuit product outlet and a primary IPS underflow output;
(iii) a recycle path coupled to said primary IPS input;
(iv) a primary cyclone stage having a primary HCS input coupled to said primary IPS underflow output, a primary HCS overflow output and a primary HCS underflow output;
(v) means to couple said primary HCS overflow output to said recycle path;
(vi) a secondary cyclone stage having a secondary HCS input coupled to said primary HCS underflow output, a secondary HCS overflow output coupled to said recycle path and a secondary HCS underflow output; and
(vii) means to couple said secondary HCS underflow output to said circuit tails outlet.
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Accused Products
Abstract
Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separates the bitumen into an overflow stream providing a bitumen product output from the circuit and a bitumen depleted underflow stream. A primary cyclone stage, a secondary inclined plate separator stage and a secondary cyclone stage further process the underflow stream to produce a secondary bitumen recovery product stream and a recycle stream. The secondary bitumen recovery product steam is incorporated into and becomes part of the circuit bitumen product output stream. The recycle stream is incorporated into the bitumen froth feed stream for reprocessing by the circuit.
83 Citations
24 Claims
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1. An apparatus to remove water and solids from a bitumen froth comprising:
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(i) a bitumen froth processing circuit having a circuit inlet to receive bitumen froth to be processed, a circuit product outlet to provide bitumen product and a circuit tails outlet to provide material removed from the bitumen froth to be processed; (ii) a primary inclined plate separator stage having a primary IPS input coupled to said circuit inlet, a primary IPS overflow output coupled to said circuit product outlet and a primary IPS underflow output; (iii) a recycle path coupled to said primary IPS input; (iv) a primary cyclone stage having a primary HCS input coupled to said primary IPS underflow output, a primary HCS overflow output and a primary HCS underflow output; (v) means to couple said primary HCS overflow output to said recycle path; (vi) a secondary cyclone stage having a secondary HCS input coupled to said primary HCS underflow output, a secondary HCS overflow output coupled to said recycle path and a secondary HCS underflow output; and (vii) means to couple said secondary HCS underflow output to said circuit tails outlet. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus to remove water and solids from a bitumen froth comprising:
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(i) a bitumen froth processing circuit having a circuit inlet to receive bitumen froth to be processed, a circuit product outlet to provide bitumen product and a circuit tails outlet to provide material removed from the bitumen froth to be processed; (ii) a primary inclined plate separator stage having a primary IPS input coupled to said circuit inlet, a primary IPS overflow output coupled to said circuit product outlet and a primary IPS underflow output; (iii) a recycle path coupled to said primary IPS input; (iv) a primary cyclone stage having a primary HCS input coupled to said primary IPS underflow output, a primary HCS overflow output and a primary HCS underflow output; (v) a secondary inclined plate separator stage having a secondary IPS input coupled to said primary HCS overflow output, a secondary IPS overflow output coupled to said circuit product outlet and a secondary IPS underflow output; (vi) means to couple said primary HCS overflow output to said secondary IPS input; (vii) a secondary cyclone stage having a secondary HCS input, a secondary HCS overflow output coupled to said recycle path and a secondary HCS underflow output; (viii) means to couple said primary HCS underflow output and said secondary IPS underflow output to said secondary HCS input; and (ix) means to couple said secondary HCS underflow output to said circuit tails outlet. - View Dependent Claims (7, 8)
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9. A process to remove water and mineral from a bitumen froth comprising the steps of:
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(i) supplying a bitumen froth to a processing circuit, said processing circuit having a circuit inlet to receive said bitumen froth, a circuit product outlet to provide bitumen product and a circuit tails outlet to provide material removed from the bitumen froth; (ii) mixing said bitumen froth with a recycled froth stream producing a mixed bitumen froth; (iii) passing the mixed bitumen froth through a primary inclined plate separator stage to produce a primary IPS overflow stream and a primary IPS underflow stream, (iv) supplying said primary IPS overflow stream to said circuit product outlet; (v) passing said primary IPS underflow stream through a primary cyclone stage to produce a primary HCS overflow stream and a primary HCS underflow stream; (vi) supplying said primary HCS overflow stream to said recycled froth stream; (vii) passing said primary HCS underflow stream through a secondary cyclone stage to produce a secondary HCS overflow stream and a secondary HCS underflow stream; (viii) supplying said secondary HCS underflow stream to said circuit tails outlet; and (ix) supplying said secondary HCS overflow stream to said recycled froth stream. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A process to remove water and mineral from a bitumen froth comprising the steps of:
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(i) supplying a bitumen froth to a processing circuit, said processing circuit having a circuit inlet to receive said bitumen froth, a circuit product outlet to provide bitumen product and a circuit tails outlet to provide material removed from the bitumen froth; (ii) mixing said bitumen froth with a recycled froth stream producing a mixed bitumen froth; (iii) passing the mixed bitumen froth through a primary inclined plate separator stage to produce a primary IPS overflow stream and a primary IPS underflow stream, (iv) supplying said primary IPS overflow stream to said circuit product outlet; (v) passing said primary IPS underflow stream through a primary cyclone stage to produce a primary HCS overflow stream and a primary HCS underflow stream; (vi) passing at least a portion of said primary HCS overflow stream through a secondary inclined plate separator to produce a secondary IPS overflow stream and a secondary IPS underflow stream; (vii) supplying said secondary IPS overflow stream to said circuit product outlet; (viii) passing said primary HCS underflow stream and said secondary IPS underflow stream through a secondary cyclone stage to produce a secondary HCS overflow stream and a secondary HCS underflow stream; (ix) supplying said secondary HCS underflow stream to said circuit tails outlet; and (x) recycling said secondary HCS overflow stream as said recycled froth stream. - View Dependent Claims (21, 22, 23, 24)
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Specification