EXHAUST PURIFICATION SYSTEM
    23.
    发明申请
    EXHAUST PURIFICATION SYSTEM 审中-公开
    排气净化系统

    公开(公告)号:US20140305105A1

    公开(公告)日:2014-10-16

    申请号:US14317740

    申请日:2014-06-27

    IPC分类号: F01N3/20

    摘要: An exhaust gas purification system provided with an NOX purification catalyst reducing the amount of use of precious metals and/or able to exhibit an NOX purification performance at a low temperature and/or in an oxidizing atmosphere and having an NOX purification performance even for an exhaust gas composition containing hydrocarbons and oxygen together with a low temperature and/or oxidizing atmosphere, that is, an exhaust gas purification system provided with an NOX purification catalyst provided in an exhaust gas passage and comprised of carrier particles on which nanoparticles in which gold atoms and nickel atoms are included in a state in close proximity are carried and an oxidation catalyst oxidizing hydrocarbons in exhaust gas at a position at an upstream side of the NOX purification catalyst.

    摘要翻译: 一种排气净化系统,其具有减少贵金属使用量和/或能够在低温和/或氧化气氛中显示NO x净化性能的NO x净化催化剂,并且具有即使对于排气的NO x净化性能 含有碳氢化合物和氧气以及低温和/或氧化气氛的气体组合物,即在废气通道中提供的具有NO x净化催化剂的废气净化系统,其中载体颗粒上含有金原子和 镍原子被包含在非常接近的状态,氧化催化剂在NOX净化催化剂的上游侧的位置处对废气中的烃进行氧化。

    Process and apparatus for reducing nitrogen oxides and halogenated organic compounds in incineration plants
    25.
    发明授权
    Process and apparatus for reducing nitrogen oxides and halogenated organic compounds in incineration plants 有权
    在焚烧厂中还原氮氧化物和卤化有机化合物的方法和装置

    公开(公告)号:US08765089B2

    公开(公告)日:2014-07-01

    申请号:US12294098

    申请日:2007-03-08

    申请人: Hans Hunsinger

    发明人: Hans Hunsinger

    IPC分类号: B01D53/56

    摘要: A process for reducing nitrogen oxides and halogenated organic compounds in an incineration plant having at least one combustion chamber. The process comprises separating out fly ash using a dust collector. Water is added to and hydrochloric acid separated out in a first acid-operated scrubber. Water and ammonia are added so as to separate out sulphur dioxide in a second neutral or slightly acid-operated scrubber so as to form ammonium sulphite, a portion of the ammonium sulphite thereby reacts with oxygen so as to form an aqueous ammonium sulphate/ammonium sulphite solution. The aqueous ammonium sulphate/ammonium sulphite solution is introduced into an oxygen-containing smoke gas downstream of a secondary gas introduction area so as to decompose the ammonium sulphate and ammonium sulphite so as to form ammonia and sulphur dioxide. Ammonia, oxygen and nitrogen oxides are reduced in the smoke gas by selective non-catalytic reduction so as to produce nitrogen and water, the chloride-containing fly ash in the smoke gas reacting with sulphur dioxide, water and oxygen so as to produce sulphates and hydrochloric acid.

    摘要翻译: 一种在具有至少一个燃烧室的焚烧装置中还原氮氧化物和卤化有机化合物的方法。 该方法包括使用集尘器分离出飞灰。 加入水并在第一酸洗涤器中分离出盐酸。 加入水和氨,以便在第二中性或轻酸酸洗涤器中分离出二氧化硫以形成亚硫酸铵,一部分亚硫酸铵由此与氧反应以形成硫酸铵/亚硫酸铵 解。 将硫酸铵/亚硫酸铵溶液引入二次气体导入区域下游的含氧烟气中,以分解硫酸铵和亚硫酸铵,以形成氨和二氧化硫。 氨,氧和氮氧化物通过选择性的非催化还原反应在烟气中减少以产生氮和水,烟气中的含氯化物飞灰与二氧化硫,水和氧反应,以产生硫酸盐和 盐酸。

    SIMULTANEOUS TREATMENT OF FLUE GAS WITH SOx ABSORBENT REAGENT AND NOx REDUCING AGENT
    26.
    发明申请
    SIMULTANEOUS TREATMENT OF FLUE GAS WITH SOx ABSORBENT REAGENT AND NOx REDUCING AGENT 审中-公开
    采用SOX吸收试剂和NOx还原剂同时处理烟气

    公开(公告)号:US20140165888A1

    公开(公告)日:2014-06-19

    申请号:US14116286

    申请日:2012-05-09

    IPC分类号: B01D53/60 F23J15/04 B01D53/50

    摘要: A system and method for treating flue gas that results from a combustion process is described. The method and system includes injecting an SOx absorbent reagent into the flue gas pathway at a point upstream of a selective catalytic reduction (SCR) reactor exit and downstream of a boiler exit. The method and system may also include injecting a NOx reducing agent simultaneously with the SOx absorbent reagent, either via the same injection system or via a second injection system located nearby the SOx absorbent reagent injection system. Injection of the SOx at a point upstream of the SCR reactor exit simplifies the injection systems, gas distribution systems, and physical and/or computational fluid dynamics modeling.

    摘要翻译: 描述了用于处理由燃烧过程产生的烟道气的系统和方法。 该方法和系统包括在选择性催化还原(SCR)反应器出口和锅炉出口下游的一个点处将SO x吸收剂注入到烟道气路径中。 该方法和系统还可以包括通过相同的注射系统或位于SOx吸收剂注射系统附近的第二注射系统与NO x吸收剂同时注入NOx还原剂。 在SCR反应器出口上游注入SOx可简化注入系统,气体分配系统以及物理和/或计算流体动力学建模。

    Exhaust purification system for internal combustion engine
    28.
    发明授权
    Exhaust purification system for internal combustion engine 失效
    内燃机排气净化系统

    公开(公告)号:US08661789B2

    公开(公告)日:2014-03-04

    申请号:US13390610

    申请日:2009-11-18

    IPC分类号: F01N3/00 F01N3/10

    摘要: An exhaust purification system for an internal combustion engine capable of lean-burn driving comprises: an NSR catalyst disposed in an exhaust passageway; an SCR disposed downstream of the NSR catalyst; a NOx sensor, disposed downstream of the SCR, for producing output in response to NOx concentration; and rich-spike means for causing a rich-spike. When the NOx sensor has produced output indicative of a NOx concentration higher than a given NOx concentration, the system increases the amount of the NOx contained in the exhaust gas discharged during the rich-spike. Under a given high-load condition, the air-fuel ratio is made stoichiometric during the rich-spike caused at a particular timing. Under a given low-load condition, the amount of exhaust gas is increased during the rich-spike.

    摘要翻译: 一种能够进行稀薄燃烧驱动的内燃机的排气净化系统,其特征在于,具备:设置在排气通路内的NSR催化剂; 设置在NSR催化剂下游的SCR; 设置在SCR的下游的NOx传感器,用于响应于NOx浓度产生输出; 和丰富的尖峰意味着造成一个丰富的尖峰。 当NOx传感器已经产生表示NOx浓度高于给定NOx浓度的输出时,系统增加了在浓尖期间排出的废气中所含的NOx的量。 在给定的高负荷条件下,在特定时间引起的丰富尖峰期间,空燃比是化学计量的。 在给定的低负荷条件下,在高峰期,排气量增加。

    EXHAUST GAS PURIFYING SYSTEM FOR INTERNAL COMBUSTION ENGINE
    30.
    发明申请
    EXHAUST GAS PURIFYING SYSTEM FOR INTERNAL COMBUSTION ENGINE 审中-公开
    内燃机排气净化系统

    公开(公告)号:US20140007560A1

    公开(公告)日:2014-01-09

    申请号:US13983580

    申请日:2011-02-09

    申请人: Michael Fischer

    发明人: Michael Fischer

    IPC分类号: F01N3/10

    摘要: An exhaust gas purifying system for an internal combustion engine has a relatively simple construction and is capable of accurately calculating the amount of SOx deposited on a NOx catalyst.A CO2 sensor having a detection electrode containing BaCO3 is disposed in an intake pipe at a location downstream of a confluent portion. A catalyst SOx deposition amount is calculated according to an EGR rate and a sensor deposition amount, based on the fact that the relationship between the sensor deposition amount detected by the CO2 sensor and the catalyst SOx deposition amount is determined according to the EGR rate.

    摘要翻译: 用于内燃机的废气净化系统具有相对简单的结构,并且能够精确地计算沉积在NOx催化剂上的SO x的量。 具有含有BaCO 3的检测电极的CO 2传感器设置在汇合部分下游位置的进气管中。 基于由CO 2传感器检测的传感器沉积量与催化剂SOx沉积量之间的关系根据EGR率确定的事实,根据EGR率和传感器沉积量计算催化剂SO x沉积量。