利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

32 条记录 (耗时 0.033 秒)

    Exhaust gas cleaner and method of cleaning exhaust gas catalyst for cleaning exhaust gas
    21.
    发明授权
    Exhaust gas cleaner and method of cleaning exhaust gas catalyst for cleaning exhaust gas 失效
    排气净化器和清洁排气用催化剂清洁排气的方法

    公开(公告)号：US5208202A

    公开(公告)日：1993-05-04

    申请号：US765580

    申请日：1991-09-25

    申请人： Gyo Muramatsu ,  Kiyohide Yoshida ,  Satoshi Sumiya ,  Akira Abe

    发明人： Gyo Muramatsu ,  Kiyohide Yoshida ,  Satoshi Sumiya ,  Akira Abe

    IPC分类号： B01D53/94 ,  B01J23/04 ,  B01J23/10

    CPC分类号： B01D53/945 ,  B01J23/04 ,  B01J23/10 ,  Y02T10/22

    摘要： The exhaust gas cleaner comprising a heat-resistant, porous body and a catalyst supported by the body for cleaning an exhaust gas containing substantially no fine carbonaceous particles, which is equivalent to an oxidizing atmosphere, the catalyst consisting essentially of (a) one or more alkali metal elements; (b) one or more transition metal elements in Group IB; Group IIB, Group VB, Group VIB, Group VIIB and Group VIII of the Periodic Table (excluding platinum-group elements), and Sn; and (c) one or more rare earth elements. The second catalyst consisting essentially of at least one platinum-group element, may be supported by the heat-resistant, porous body.

    摘要翻译： 所述排气净化器包括耐热多孔体和由主体支撑的催化剂，用于清洁基本上不含有微细碳质颗粒的排气，其等同于氧化气氛，所述催化剂基本上由（a）一种或多种 碱金属元素; （b）IB组中的一种或多种过渡金属元素; 第IIB族，VB族，VIB族，VIIB族和VIII族（不包括铂族元素）和Sn; 和（c）一种或多种稀土元素。 基本上由至少一个铂族元素组成的第二催化剂可以由耐热多孔体支撑。

    Method of cleaning an exhaust gas and exhaust gas cleaner therefor
    22.
    发明授权
    Method of cleaning an exhaust gas and exhaust gas cleaner therefor 失效
    清洁废气的方法和排气净化器

    公开(公告)号：US5534237A

    公开(公告)日：1996-07-09

    申请号：US428635

    申请日：1995-04-25

    申请人： Kiyohide Yoshida ,  Gyo Muramatsu ,  Akira Abe ,  Tatsuo Miyadera

    发明人： Kiyohide Yoshida ,  Gyo Muramatsu ,  Akira Abe ,  Tatsuo Miyadera

    IPC分类号： B01D53/94 ,  B01J23/50 ,  B01J37/20 ,  F01N3/20 ,  F02B3/06 ,  B01J8/02

    CPC分类号： F01N3/0253 ,  B01D53/9418 ,  B01J23/50 ,  B01J37/20 ,  B01D2251/208 ,  B01D2251/21 ,  B01D2255/104 ,  F01N2610/03 ,  F02B3/06

    摘要： The method of cleaning an exhaust gas containing nitrogen oxides and oxygen in an amount larger than its stoichiometric amount relative to unburned components in the exhaust gas which includes (a) disposing an exhaust gas cleaner comprising a heat-resistant, porous inorganic oxide body made of alumina or composite oxide thereof and impregnated with Ag or its oxide, in a flow path of the exhaust gas; (b) introducing a reducing agent selected from the group consisting of gaseous hydrocarbons, liquid hydrocarbons and aliphatic oxygen-containing organic compounds into the exhaust gas on the upstream side of the exhaust gas cleaner; and (c) bringing the exhaust gas into contact with the exhaust gas cleaner at a temperature of 200.degree.-600.degree. C., thereby removing the nitrogen oxides.

    摘要翻译： 相对于废气中的未燃烧成分，相对于化学计量量大于其化学计量量的氮氧化物和氧气的净化方法，其特征在于，包括：（a）设置排气净化器，所述废气净化器包括耐热多孔无机氧化物体， 氧化铝或其复合氧化物，并在废气的流路中浸渍有Ag或其氧化物; （b）在排气净化器的上游侧将排出气体中的气态烃类，液态烃类和脂肪族含氧有机化合物的还原剂引入到排气中; 和（c）使排气与废气净化器在200〜600℃的温度下接触，从而除去氮氧化物。

    Exhaust gas cleaner and method for removing nitrogen oxides
    26.
    发明授权
    Exhaust gas cleaner and method for removing nitrogen oxides 失效
    废气净化器和氮氧化物去除方法

    公开(公告)号：US06284211B1

    公开(公告)日：2001-09-04

    申请号：US08295012

    申请日：1994-08-24

    申请人： Tatsuo Miyadera ,  Kiyohide Yoshida

    发明人： Tatsuo Miyadera ,  Kiyohide Yoshida

    IPC分类号： B01J802

    CPC分类号： B01J35/0006 ,  B01D53/9418 ,  B01D53/9422 ,  B01D2255/104 ,  B01D2255/20723 ,  B01D2255/20776 ,  B01D2258/012 ,  B01J23/22 ,  B01J23/30 ,  B01J23/50 ,  B01J23/68

    摘要： Nitrogen oxides are removed from an exhaust gas containing nitrogen oxides and oxygen in a proportion larger than its stoichiometric proportion relative to unburned components in the exhaust gas, by (i) disposing an exhaust gas cleaner in a flow path, the exhaust gas cleaner comprising a first catalyst composed of 0.2-20 parts by weight (on a metal basis) of silver or silver oxide supported on a porous inorganic oxide, and a second catalyst composed of 1-50 parts by weight (on an oxide basis) of tungsten and/or vanadium supported on a porous inorganic oxide; (ii) introducing oxygen-containing organic compounds having 2 or more carbon atoms or a fuel containing the oxygen-containing organic compounds into the exhaust gas on the upstream side of the exhaust gas cleaner; and (iii) bringing the exhaust gas into contact with the exhaust gas cleaner at a temperature of 150-650° C., thereby causing a reaction of the nitrogen oxides with the oxygen-containing organic compounds to remove the nitrogen oxides.

    摘要翻译： 通过（i）在流路中设置排气净化器，将排出气体中相对于废气中的未燃烧成分大于化学计量比例的氮氧化物和氧气排出的氮氧化物除去，排气净化器包括： 第一催化剂由负载在多孔无机氧化物上的0.2-20重量份（以金属为基准）的银或氧化银组成，第二催化剂由1-50重量份（基于氧化物）的钨和/ 或负载在多孔无机氧化物上的钒; （ii）将具有2个以上碳原子的含氧有机化合物或含有含氧有机化合物的燃料引入废气净化器的上游侧的废气中; 和（iii）使废气在150-650℃的温度下与废气净化器接触，从而使氮氧化物与含氧有机化合物反应以除去氮氧化物。

    Exhaust gas cleaner and method for removing nitrogen oxides
    27.
    发明授权
    Exhaust gas cleaner and method for removing nitrogen oxides 失效
    废气净化器和氮氧化物去除方法

    公开(公告)号：US6057259A

    公开(公告)日：2000-05-02

    申请号：US439892

    申请日：1995-05-12

    申请人： Tatsuo Miyadera ,  Kiyohide Yoshida

    发明人： Tatsuo Miyadera ,  Kiyohide Yoshida

    IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J23/22 ,  B01J23/30 ,  B01J23/50 ,  B01J23/66 ,  B01J23/68 ,  B01J35/00 ,  B01J35/02 ,  B01J35/04 ,  B01J23/00

    CPC分类号： B01J35/0006 ,  B01D53/9418 ,  B01J23/22 ,  B01J23/30 ,  B01J23/50 ,  B01J23/68 ,  B01D2255/104 ,  B01D2255/20723 ,  B01D2255/20776 ,  B01D2258/012 ,  B01D53/9422

    摘要： Nitrogen oxides are removed from an exhaust gas containing nitrogen oxides and oxygen in a proportion larger than its stoichiometric proportion relative to unburned components in the exhaust gas, by (i) disposing an exhaust gas cleaner in a flow path, the exhaust gas cleaner comprising a first catalyst composed of 0.2-20 parts by weight (on a metal basis) of silver or silver oxide supported on a porous inorganic oxide, and a second catalyst composed of 1-50 parts by weight of tungsten and/or vanadium supported on a porous inorganic oxide; (ii) introducing oxygen-containing organic compounds having 2 or more carbon atoms or a fuel containing the oxygen-containing organic compounds into the exhaust gas on the upstream side of the exhaust gas cleaner; and (iii) bringing the exhaust gas into contact with the exhaust gas cleaner at a temperature of 150-650.degree. C., thereby causing a reaction of the nitrogen oxides with the oxygen-containing organic compounds to remove the nitrogen oxides.

    摘要翻译： 通过（i）在流路中设置排气净化器，将排出气体中相对于废气中的未燃烧成分大于化学计量比例的氮氧化物和氧气排出的氮氧化物除去，排气净化器包括： 第一催化剂由负载在多孔无机氧化物上的0.2-20重量份（以金属为基准）的银或氧化银组成，第二催化剂由1-50重量份的负载在多孔的氧化钨和/ 无机氧化物; （ii）将具有2个以上碳原子的含氧有机化合物或含有含氧有机化合物的燃料引入废气净化器的上游侧的废气中; 和（iii）使废气在150-650℃的温度下与排气净化器接触，从而使氮氧化物与含氧有机化合物反应以除去氮氧化物。

    Comprising supported silver sulfate or silver chloride or silver with sulfuric acid
    29.
    发明授权
    Comprising supported silver sulfate or silver chloride or silver with sulfuric acid 失效
    用硫酸包括负载的硫酸银或氯化银或银

    公开(公告)号：US5801117A

    公开(公告)日：1998-09-01

    申请号：US917144

    申请日：1997-08-25

    申请人： Kiyohide Yoshida ,  Tatsuo Miyadera

    发明人： Kiyohide Yoshida ,  Tatsuo Miyadera

    IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J23/50 ,  B01J27/055 ,  B01J20/02 ,  B01J8/00 ,  B01J23/48

    CPC分类号： B01J27/055 ,  B01D53/8628 ,  B01D53/9418 ,  B01J23/50 ,  B01D2251/208 ,  B01D2251/21 ,  B01D2255/104

    摘要： Nitrogen oxides are removed from an exhaust gas containing nitrogen oxides and oxygen in an amount larger than its stoichiometric amount relative to unburned components in the exhaust gas, by (i) disposing an exhaust gas cleaner in a flow path of the exhaust gas, the exhaust gas cleaner comprising 0.2-15 weight % (on a metal basis) of fine silver or silver oxides having an average diameter of 10-1,000 nm and supported on a porous inorganic oxide; (ii) introducing hydrocarbons and/or oxygen-containing organic compounds into the exhaust gas on the upstream side of the exhaust gas cleaner; and (iii) bringing the exhaust gas into contact with the exhaust gas cleaner at a temperature of 200.degree.-600.degree. C., thereby causing a reaction of nitrogen oxides with the hydrocarbons and/or oxygen-containing organic compounds.

    摘要翻译： 通过（i）在排气的流路中设置废气净化器，将废气中的废气与废气中的未燃烧成分相比，从含有氮氧化物和氧的废气中除去氮氧化物， 包含0.2-15重量％（以金属为基准）的平均直径为10-1000nm的银或银氧化银的负载在多孔无机氧化物上的气体清洁剂; （ii）将碳氢化合物和/或含氧有机化合物引入废气净化器的上游侧的废气中; 和（iii）使排气与废气净化器在200-600℃的温度下接触，从而引起氮氧化物与烃和/或含氧有机化合物的反应。