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    • 6. 发明授权
    • Removal of mercury and mercuric compounds from crude oil streams
    • 从原油流中去除汞和汞化合物
    • US08524074B2
    • 2013-09-03
    • US13211418
    • 2011-08-17
    • Michael L. BradenSamuel A. Lordo
    • Michael L. BradenSamuel A. Lordo
    • C10G29/20C10G29/00
    • C10G25/003C10G29/20C10G31/08C10G53/02C10G2300/1044C10G2300/201C10G2300/202C10G2300/205
    • The invention is directed towards a method of removing mercury bearing species from a hydrocarbon containing fluid. The method comprises the steps of: i) adding dithiocarbamate polymer to the fluid in an amount such that the number of mercury bonding sites on the polymer exceeds the amount of mercury atoms by at least 10% and ii) removing the mercury bearing dithiocarbamate polymer with a water/oil separation device. The invention relies upon an unexpected reversal in the solubility of dithiocarbamate polymer at very high concentrations. Because of the high solubility the polymer remains within the water phase of the hydrocarbon fluid and can be removed without the need for cumbersome precipitation methods and complicated solid liquid separation devices. As a result, the invention allows mercury contaminated crude oil to be easily rid of its mercury with easy to use equipment already present in a typical oil refinery.
    • 本发明涉及从含烃流体中除去含汞物质的方法。 该方法包括以下步骤:i)向流体中加入二硫代氨基甲酸酯聚合物,其量使得聚合物上的汞结合位置的数量超过汞原子数量至少10%,和ii)除去带有二硫代氨基甲酸酯的聚合物与 水/油分离装置。 本发明依赖于二硫代氨基甲酸酯聚合物在非常高的浓度下的溶解度的意想不到的逆转。 由于高溶解度,聚合物保留在烃流体的水相中,并且可以被除去,而不需要繁琐的沉淀方法和复杂的固体分液装置。 因此,本发明允许汞污染的原油通过在典型的炼油厂中已经存在的易于使用的设备容易地除去其汞。
    • 8. 发明授权
    • Process for removing water soluble organic compounds from produced water
    • 从生产水中除去水溶性有机化合物的方法
    • US5104545A
    • 1992-04-14
    • US451219
    • 1989-12-15
    • C. Mitchell MeansMichael L. Braden
    • C. Mitchell MeansMichael L. Braden
    • B01D15/00B01D17/02C02F1/28E21B41/00E21B43/34
    • E21B43/34B01D17/0202C02F1/28E21B41/0057
    • A process for the removal of water soluble organic compounds from produced water is provided. The process allows for the removal of water soluble organic compounds by passing the produced water through a column of adsorbing resin which is capable of removing the soluble organic compounds from the water and providing an environmentally acceptable effluent. The process further allows for the regeneration of the adsorbing resin by backwashing the resin with a solvent capable of eluting accumulated soluble organic compounds from the column. The process further allows for the treatment of the eluting solvent and soluble organic compound admixture in a manner to allow reuse of the solvent and to allow recovery of the soluble organic compounds or to allow direct injection of the soluble organic compound admixture into the oil stream. Thus, the invention provides a process for removal and recovery of water soluble organic compounds from produced water which creates no environmentally hazardous waste streams.
    • 提供了从生产的水中除去水溶性有机化合物的方法。 该方法允许通过使所产生的水通过吸附树脂柱而去除水溶性有机化合物,所述吸附树脂能够从水中除去可溶性有机化合物并提供环境可接受的流出物。 该方法还允许通过用能够从塔中洗脱累积的可溶性有机化合物的溶剂反洗树脂来再生吸附树脂。 该方法还允许以允许溶剂再利用并允许回收可溶性有机化合物或允许可溶性有机化合物外加剂直接注入油流中的方式处理洗脱溶剂和可溶性有机化合物混合物。 因此,本发明提供从产生的水中除去和回收水溶性有机化合物的方法,其不产生对环境有害的废物流。