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    • 1. 发明授权
    • Composite articles separating mercury from fluids
    • 将汞与流体分离的复合制品
    • US5558771A
    • 1996-09-24
    • US566554
    • 1995-12-04
    • Donald F. HagenWanda BahmetLouis C. HaddadRobert E. Perkins
    • Donald F. HagenWanda BahmetLouis C. HaddadRobert E. Perkins
    • B01D15/00B01D53/64B01J20/06B01J20/28B01D39/00
    • B01J20/28028B01D15/00B01D53/64B01J20/103B01J20/28059B01J20/3234Y10S210/914
    • Composite articles are useful for separating mercury from fluids. The composite articles can be porous supports comprising an inert substrate having immobilized thereon finely divided gold optionally in combination with a tin salt coating. The porous support can be a particulate or porous fibrous webs. Alternatively, the composite articles can comprise a porous fibrous membrane having enmeshed therein the aforementioned porous supports which can be in particulate or fibrous forms. The method for separating elemental, ionic, or organic mercury in fluids comprises the step of contacting and passing a fluid containing mercury through a support comprising a porous, high surface area, inert substrate on which is immobilized finely divided elemental gold at a controlled rate for a time sufficient for the mercury to sorb to the elemental gold and to provide an immobilized gold-mercury amalgam on the support. If a tin salt also is immobilized on the inert substrate, mercury-tin salt can also be formed. In a further, and optional, step, elemental mercury can be removed from the support and optionally can be quantified.
    • 复合制品可用于从流体中分离汞。 复合制品可以是多孔载体,其包括其上固定有细碎金的惰性基材,任选与锡盐涂层组合。 多孔载体可以是颗粒或多孔纤维网。 或者,复合制品可以包括多孔纤维膜,其中包含可以是颗粒或纤维形式的上述多孔载体。 用于分离流体中的元素,离子或有机汞的方法包括使包含汞的流体通过包含多孔,高表面积的惰性基质的载体接触和通过的步骤,在其上以受控的速率将细分的元素金固定在其上 足以使汞吸附到元素金上并在载体上提供固定的金汞汞合金。 如果锡盐也固定在惰性基材上,也可以形成汞锡盐。 在另外的和任选的步骤中,元素汞可以从支持物中除去并且可任选地被定量。
    • 2. 发明授权
    • Method for separating mercury from fluids using composite articles
    • 使用复合制品从流体中分离汞的方法
    • US5492627A
    • 1996-02-20
    • US268286
    • 1994-06-29
    • Donald F. HagenWanda BahmetLouis C. HaddadRobert E. Perkins
    • Donald F. HagenWanda BahmetLouis C. HaddadRobert E. Perkins
    • B01D15/00B01D53/64B01J20/06B01J20/28B01D61/00
    • B01J20/28028B01D15/00B01D53/64B01J20/103B01J20/28059B01J20/3234Y10S210/914
    • Composite articles are useful for separating mercury from fluids. The composite articles can be porous supports comprising an inert substrate having immobilized thereon finely divided gold optionally in combination with a tin salt coating. The porous support can be a particulate or porous fibrous webs. Alternatively, the composite articles can comprise a porous fibrous membrane having enmeshed therein the aforementioned porous supports which can be in particulate or fibrous forms. The method for separating elemental, ionic, or organic mercury in fluids comprises the step of contacting and passing a fluid containing mercury through a support comprising a porous, high surface area, inert substrate on which is immobilized finely divided elemental gold at a controlled rate for a time sufficient for the mercury to sorb to the elemental gold and to provide an immobilized gold-mercury amalgam on the support. If a tin salt also is immobilized on the inert substrate, mercury-tin salt can also be formed. In a further, and optional, step, elemental mercury can be removed from the support and optionally can be quantified.
    • 复合制品可用于从流体中分离汞。 复合制品可以是多孔载体,其包括其上固定有细碎金的惰性基材,任选与锡盐涂层组合。 多孔载体可以是颗粒或多孔纤维网。 或者,复合制品可以包括多孔纤维膜,其中包含可以是颗粒或纤维形式的上述多孔载体。 用于分离流体中的元素,离子或有机汞的方法包括使包含汞的流体通过包含多孔,高表面积的惰性基质的载体接触和通过的步骤,在其上以受控的速率将细分的元素金固定在其上 足以使汞吸附到元素金上并在载体上提供固定的金汞汞合金。 如果锡盐也固定在惰性基材上,也可以形成汞锡盐。 在另外的和任选的步骤中,元素汞可以从支持物中除去并且可任选地被定量。
    • 3. 发明授权
    • Composite reactive articles for the determination of cyanide
    • 用于测定氰化物的复合反应物品
    • US5340746A
    • 1994-08-23
    • US2198
    • 1993-01-08
    • Donald F. HagenLouis C. HaddadRobert E. PerkinsCraig G. Markell
    • Donald F. HagenLouis C. HaddadRobert E. PerkinsCraig G. Markell
    • G01N31/00G01N31/16G01N31/22G01N33/00
    • G01N31/22Y10T436/172307
    • Composite reactive articles are useful for quantifying cyanide ions in solution. The composite reactive articles can be porous reactive supports comprising an inert substrate having immobilized thereon finely divided gold. The porous reactive supports can be particulate, porous fibrous membranes, or solution-cast membranes. Alternatively, the composite reactive articles can comprise porous fibrous membranes having enmeshed therein the aforementioned porous supports which can be in particulate or fibrous forms. The method for quantifying cyanide ions in solution comprising the steps of contacting and passing a solution containing cyanide ions through a reactive support comprising a porous, high surface area, inert substrate on which is immobilized finely divided elemental gold at a controlled rate to provide for a time to provide sufficient contact time for the gold and cyanide ions to react and provide a soluble gold cyanide complex, recovering the effluent comprising said gold cyanide complex, and determining the quantity of cyanide present in the gold cyanide complex.
    • 复合反应性物质可用于定量溶液中的氰化物离子。 复合反应性物品可以是多孔反应性载体,其包括在其上固定有细碎金的惰性底物。 多孔反应性载体可以是颗粒状,多孔纤维膜或溶液 - 流延膜。 或者,复合反应性制品可以包括多孔纤维膜,其中包含可以是颗粒或纤维形式的上述多孔载体。 用于定量溶液中的氰化物离子的方法包括以下步骤:使含有氰离子的溶液通过反应性载体接触并通过包含多孔,高表面积的惰性基质的步骤,在其上以受控的速率固定细分的元素金以提供 时间为金和氰离子提供足够的接触时间进行反应并提供可溶性氰化金络合物,回收包含所述氰化金络合物的流出物,并测定氰化金络合物中存在的氰化物的量。