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    • 31. 再颁专利
    • Catalytic reduction of emissions from internal combustion engines
    • 催化还原内燃机的排放
    • USRE39720E1
    • 2007-07-10
    • US10206157
    • 2001-04-03
    • Oliver J. MurphyCraig C. Andrews
    • Oliver J. MurphyCraig C. Andrews
    • F01N3/00
    • F01N3/2046F01N3/2006F01N3/206F01N3/32F01N13/009F01N2610/04F01N2610/08F02M25/12Y02T10/121Y02T10/22Y02T10/26Y10S123/12
    • An apparatus for treating an exhaust gas stream from cold startup through continuous operating conditions of an internal combustion engine includes an oxidizing catalyst bed disposed in an exhaust pipe and a reducing catalyst bed disposed in the exhaust pipe downstream from the oxidizing catalyst bed. The oxidizing catalyst bed as one or more oxidizing catalysts and the reducing catalyst bed has one or more reducing catalysts. A method is provided for treating an exhaust gas stream both during cold start and during continuous operating conditions of an internal combustion engine by passing the stream through an oxidizing catalyst bed having one or more oxidizing catalysts at a light off temperature; a reducing catalyst bed having one or more reducing catalysts and providing hydrogen into the reducing catalyst bed to condition the reducing catalyst; and introducing hydrogen into the internal combustion engine during cold startup.
    • 一种用于处理来自冷起动的内燃机的连续运行状态的废气流的装置,包括设置在排气管中的氧化催化剂床和设置在氧化催化剂床下游的排气管内的还原催化剂床。 作为一种或多种氧化催化剂和还原催化剂床的氧化催化剂床具有一种或多种还原催化剂。 提供了一种用于在冷启动期间和在内燃机的连续运行条件下处理排气流的方法,该方法是使流经过具有一种或多种氧化催化剂的氧化催化剂床在轻度关闭温度下; 还原催化剂床,其具有一种或多种还原催化剂并向还原催化剂床提供氢以调节还原催化剂; 并在冷起动期间将氢气引入内燃机。
    • 33. 发明授权
    • Electrochemical synthesis of ammonia
    • 电化学合成氨
    • US06712950B2
    • 2004-03-30
    • US10090443
    • 2002-03-04
    • Adrian DenvirOliver J. MurphyAlan CisarPriscilla RobertsonKyle Uselton
    • Adrian DenvirOliver J. MurphyAlan CisarPriscilla RobertsonKyle Uselton
    • C25B100
    • C25B1/00
    • A method for electrochemical synthesis of ammonia gas comprising providing an electrolyte between an anode and a cathode, providing hydrogen gas to the anode, oxidizing negatively charged nitrogen-containing species present in the electrolyte at the anode to form an adsorbed nitrogen species, and reacting the hydrogen with the adsorbed nitrogen species to form ammonia. Preferably, the hydrogen gas is provided to the anode by passing the hydrogen gas through a porous anode substrate. It is also preferred to produce the negatively charged nitrogen-containing species in the electrolyte by reducing nitrogen gas at the cathode. However, the negatively charged nitrogen-containing species may also be provided by supplying a nitrogen-containing salt, such as lithium nitride, into the molten salt electrolyte mixture in a sufficient amount to provide some or all of the nitrogen consumed in the production of ammonia.
    • 一种用于电化学合成氨气的方法,包括在阳极和阴极之间提供电解质,向阳极提供氢气,在阳极处氧化存在于电解质中的带负电荷的含氮物质以形成吸附的氮物质,并使 氢与吸附的氮物质形成氨。 优选地,通过使氢气通过多孔阳极基板而将氢气提供给阳极。 还优选通过还原阴极处的氮气来在电解质中产生带负电的含氮物质。 然而,带负电的含氮物质也可以通过向熔融盐电解质混合物中提供足够量的含氮盐(例如氮化钠)来提供在氨生产中消耗的一部分或全部氮 。