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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0431677 (1982-09-30) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 10 인용 특허 : 4 |
In a continuous process for the extraction of crude refinery stock from oil-bearing sand, miscella produced earlier in the process is returned and mixed with oil-bearing sand to provide a feed slurry which, after heating, is separated into two streams, one of which is comprised predominantly of the
In an apparatus for the continuous extraction of bitumen from oil sand having means for continuously producing a feed slurry by mixing said oil sand and a miscella comprising solvent and bitumen, and a means for separating the feed slurry into an overflow stream having primarily finer particles of f
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