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    • 3. 发明申请
    • METHOD OF PROCESSING A BITUMEN STREAM USING A MEMBRANE
    • 使用膜处理EN流的方法
    • US20140190872A1
    • 2014-07-10
    • US14117598
    • 2012-04-05
    • James A. DunnBrian C. SpeirsAmitava Sarkar
    • James A. DunnBrian C. SpeirsAmitava Sarkar
    • C10G1/04
    • C10G1/045B01D61/14C10G1/002C10G1/047C10G31/09
    • Disclosed is a method of processing bitumen streams using membrane filtration. In one aspect, membrane filtration replaces paraffinic froth treatment, with one or more filtration steps replacing gravity settling. In another aspect, the bitumen stream is subjected to paraffmic solvent treatment at much higher flow rates, with an “almost cleaned” product being subsequently filtered by the membrane system. In this case, some contaminants are removed by conventional gravity settling equipment, while additional contaminants are removed by membrane filtration. In another aspect, membrane filtration is applied to a bitumen product effluent stream following naphthenic froth treatment. In another aspect, membrane filtration is applied to a bitumen product effluent stream from a solvent-based extraction process. In yet another aspect, membrane filtration is applied to a bitumen product effluent stream from a solvent extraction with solids agglomeration process. In still another aspect, membrane filtration is applied to bitumen produced by SAGD.
    • 公开了使用膜过滤处理沥青流的方法。 在一个方面,膜过滤代替石蜡泡沫处理,其中一个或多个过滤步骤代替重力沉降。 在另一方面,沥青料流以高得多的流速进行石蜡溶剂处理,随后通过膜系统过滤“几乎清洁的”产物。 在这种情况下,通过常规的重力沉降设备去除一些污染物,而通过膜过滤除去附加的污染物。 另一方面,在环烷化泡沫处理之后,将膜过滤应用于沥青产物流出物流。 另一方面,从基于溶剂的萃取方法对沥青产物流出物流进行膜过滤。 在另一方面,从具有固体附聚过程的溶剂萃取中将滤膜应用于沥青产物流出物流。 另一方面,膜过滤被应用于由SAGD生产的沥青。