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    Zone settling aid and method for producing dry diluted bitumen with reduced losses of asphaltenes
    17.
    发明申请
    Zone settling aid and method for producing dry diluted bitumen with reduced losses of asphaltenes 审中-公开
    区域沉淀助剂和生产干稀沥青的方法，减少沥青质的损失

    公开(公告)号：US20060196812A1

    公开(公告)日：2006-09-07

    申请号：US11366202

    申请日：2006-03-02

    申请人： Jan Beetge ,  Petrus Johannes Venter ,  Wang Sanyi ,  Xiaoli Yang ,  Yicheng Long ,  Yuming Xu ,  Tadeusz Dabros ,  Hassan Hamza

    发明人： Jan Beetge ,  Petrus Johannes Venter ,  Wang Sanyi ,  Xiaoli Yang ,  Yicheng Long ,  Yuming Xu ,  Tadeusz Dabros ,  Hassan Hamza

    IPC分类号： C10G1/00

    CPC分类号： C10G1/045 ,  C10G1/047

    摘要： A method includes diluting a bitumen source, such a bitumen froth from a hot water extraction process, with a hydrocarbon diluent such as naphtha, contacting the bitumen with a zone settling aid such as a polyoxyalkylate block polymer, flocculating water and fine solids in the diluted bitumen, separating the flocculated water and fine solids from the solvent-diluted bitumen, and producing dry, clean diluted bitumen. Preferably, the diluted bitumen will have less than 1.0 wt % water, but most preferably less than 0.7 wt % water. The method may further comprise maintaining the diluted bitumen under conditions that avoid the precipitation of asphaltenes from the bitumen, preferably such that the dry, clean diluted bitumen comprises essentially all, such as greater than 96%, of the asphaltene content from the bitumen source. Counter-current flow may be performed in a series of zone settling stages, such as with gravity settling.

    摘要翻译： 一种方法包括用诸如石脑油之类的烃稀释剂将沥青源（例如沥青泡沫）从热水提取过程稀释，使沥青与区域沉降助剂例如聚氧烷基酯嵌段聚合物接触，絮凝水和稀释的细固体 沥青，从溶剂稀释的沥青中分离絮凝水和细小固体，并生产干燥，干净的稀释沥青。 优选地，稀释的沥青将具有小于1.0重量％的水，但最优选小于0.7重量％的水。 该方法可以进一步包括在避免沥青质从沥青沉淀的条件下保持稀释的沥青，优选地使得干的，干净的稀释的沥青基本上包含来自沥青源的沥青质含量的基本上全部的，例如大于96％的沥青质含量。 逆流可以在一系列区域沉降阶段中进行，例如重力沉降。