发明名称 |
Treatment of tumbler reject |
摘要 |
In the hot water process wherein tar sand is slurried in a tumbler with hot water and sodium hydroxide, oversized material, rejected from the tumbler, is mixed with a portion of slurry flood water in a second slurrying device and subjected therein to heating and dispersal of bitumen associated with the rejects. A bitumen-containing slurry is produced from the second device and this slurry is combined with the tumbler slurry and subsequently subjected to flotation to recover bitumen.
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申请公布号 |
US4131535(A) |
申请公布日期 |
1978.12.26 |
申请号 |
US19770768358 |
申请日期 |
1977.02.14 |
申请人 |
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF ENERGY, MINES AND RESOURCES |
发明人 |
PORTEOUS, KENNETH |
分类号 |
C10G1/04;(IPC1-7):C10G1/04 |
主分类号 |
C10G1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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