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    • 4. 发明申请
    • Process and System For Recovery of Bitumen From Oil Sands
    • 油砂沥青回收工艺及系统
    • US20120305451A1
    • 2012-12-06
    • US13514023
    • 2010-11-15
    • Olusola B. AdeyinkaBrian C. SpeirsPayman Esmaeili
    • Olusola B. AdeyinkaBrian C. SpeirsPayman Esmaeili
    • C10G1/04C10C3/08
    • C10G1/04C10G2300/206C10G2300/301C10G2300/4006C10G2300/44C10G2300/80C10G2300/807
    • A process is described for bitumen extraction from oil sands. Solvent extraction is used, incorporating fines agglomeration to simplify subsequent separation. A high quality bitumen product is formed, having water and solids content that exceeds downstream processing and pipeline requirements. An embodiment of the process comprises combining a first solvent and a bituminous feed to form an initial slurry, which is optionally separated into fine solids and coarse solids. Solids are agglomerated to form an agglomerated slurry. A low solids bitumen extract from the agglomerated slurry is mixed with a second solvent to form a solvent-bitumen low solids mixture, the second solvent having a similar or lower boiling point than the first solvent. The mixture is separated to produce high grade and low grade bitumen extracts. The first and second solvents are recovered from the high grade bitumen extract, leaving a high grade bitumen product.
    • 描述了从油砂中提取沥青的方法。 使用溶剂萃取,结合细粉团聚以简化后续分离。 形成了高质量的沥青产品,具有超过下游处理和管道要求的水和固体含量。 该方法的一个实施方案包括组合第一溶剂和沥青进料以形成初始浆料,其任选分离成细固体和粗固体。 固体团聚以形成附聚浆料。 将来自附聚浆料的低固体沥青提取物与第二溶剂混合以形成溶剂 - 沥青低固体混合物,第二溶剂具有与第一溶剂相似或更低的沸点。 将混合物分离以产生高级和低级沥青提取物。 从高级沥青提取物中回收第一和第二种溶剂,留下高级沥青产品。
    • 8. 发明申请
    • Recovery of Hydrocarbon From Aqueous Streams
    • 从水流回收烃
    • US20110284428A1
    • 2011-11-24
    • US13081125
    • 2011-04-06
    • Olusola B. AdeyinkaRonald D. MyersMainak Ghosh
    • Olusola B. AdeyinkaRonald D. MyersMainak Ghosh
    • C10G1/04C10C3/08
    • C10G1/002B01D21/262C10G21/14C10G33/00C10G33/06C10G53/04C10G2300/206C10G2300/44
    • A process is described for pre-treating an aqueous bituminous feed for downstream bitumen extraction. The process involves removing water from an aqueous bituminous feed having a water content of 60% or more by weight. After water is removed, an effluent comprising 40% water or less is formed, and is ready for downstream extraction. In the downstream extraction process, a dual solvent extraction process may be employed, incorporating agglomeration of fines to simplify subsequent solid-liquid separation. The process permits recovery of hydrocarbon that has conventionally remained in waste streams from oil sands processing, and thus has conventionally been lost. In one embodiment, removing water comprises subjecting the aqueous bituminous feed to a primary water separation system to reduce the water content of the feed, followed by subsequent water removal, thereby producing an effluent having a water content of 40% or less, which can then go on to further processing.
    • 描述了一种用于预处理含水沥青进料用于下游沥青提取的方法。 该方法包括从含水量为60重量%以上的含水沥青进料除去水。 除去水后,形成含有40%以下水的流出物,并准备进行下游萃取。 在下游提取过程中,可以采用双溶剂萃取方法,其中包括细粒团聚以简化随后的固液分离。 该方法允许从油砂处理中常规保留在废物流中的烃的回收,因此传统上已经丢失。 在一个实施方案中,除去水包括将含水沥青进料经受初级水分离系统以减少进料的水含量,随后随后除去水,从而产生水含量为40%或更低的流出物, 继续进行加工。