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    Process for Producing C1-C4 Alkyl Nitrite
    1.
    发明申请
    Process for Producing C1-C4 Alkyl Nitrite 有权
    生产C1-C4烷基亚硝酸盐的方法

    公开(公告)号：US20110257424A1

    公开(公告)日：2011-10-20

    申请号：US13087285

    申请日：2011-04-14

    Applicant: Juntao LIU ,  Weimin YANG ,  Wanmin WANG ,  Linna ZHANG

    Inventor： Juntao LIU ,  Weimin YANG ,  Wanmin WANG ,  Linna ZHANG

    IPC: C07C203/00

    CPC classification number: C07C201/04 ,  C07C203/00

    Abstract: A process of producing C1-C4 alkyl nitrite, comprising the following steps: a) firstly feeding nitrogen oxide and oxygen into Reactor I, contacting with an aluminosilicate catalyst, and reacting to produce an effluent I containing NO2 and unreacted NO; b) feeding the effluent I and C1-C4 alkanol into Reactor II, and reacting to produce an effluent II containing C1-C4 alkyl nitrite; and c) separating the effluent II containing C1-C4 alkyl nitrite to obtain C1-C4 alkyl nitrite; wherein reactor I is a fixed bed reactor, and Reactor II is a rotating high-gravity reactor; said nitrogen oxide in step a) is NO, or a mixed gas containing NO and one or more of N2O3 and NO2, wherein the molar number of NO is greater than that of NO2, if any; and the molar ratio of NO in nitrogen oxide to oxygen is 4-25:1.

    Abstract translation: 一种生产C1-C4烷基亚硝酸盐的方法，包括以下步骤：a）首先将氮氧化物和氧气加入到反应器I中，与铝硅酸盐催化剂接触，并产生含有NO 2和未反应的NO的流出物I; b）将流出物I和C 1 -C 4烷醇加入到反应器II中，并产生含有亚硝酸C1-C4烷基酯的流出物II; 和c）分离含有C1-C4烷基亚硝酸盐的流出物II，得到亚硝酸C1-C4烷基酯; 其中反应器I是固定床反应器，反应器II是旋转的高重力反应器; 步骤a）中的氮氧化物为NO，或含有NO和一种或多种N 2 O 3和NO 2的混合气体，其中NO的摩尔数大于NO 2的摩尔数（如果有的话）。 氮氧化物中的NO与氧的摩尔比为4-25：1。

    Process for producing alkyl nitrite
    2.
    发明授权
    Process for producing alkyl nitrite 有权
    亚硝酸烷基酯的制备方法

    公开(公告)号：US07714160B2

    公开(公告)日：2010-05-11

    申请号：US10946475

    申请日：2004-09-21

    Applicant: Ryoji Sugise ,  Shuji Tanaka ,  Hirofumi Ii ,  Kazuaki Mii

    Inventor： Ryoji Sugise ,  Shuji Tanaka ,  Hirofumi Ii ,  Kazuaki Mii

    IPC: C07C203/04

    CPC classification number: C07C201/04 ,  C07C203/00

    Abstract: An alkyl nitrite is produced with high efficiency by bringing a nitrogen monoxide gas into contact with an aqueous solution of an alkyl alcohol and nitric acid in a reactor 2, which aqueous solution may be a liquid fraction generated in an alkyl nitrite-production process in which an alkyl alcohol is reacted with nitrogen monoxide and oxygen in a reaction column 1.

    Abstract translation: 通过在反应器2中使一氧化氮气体与烷基醇和硝酸的水溶液接触，可以高效率地生产亚硝酸烷基酯，该水溶液可以是在亚硝酸烷基酯制备方法中产生的液体馏分，其中 在反应塔1中使烷基醇与一氧化氮和氧气反应。

    Method for preparing alkyl nitrites
    4.
    发明申请
    Method for preparing alkyl nitrites 审中-公开
    亚硝酸烷基酯的制备方法

    公开(公告)号：US20030149292A1

    公开(公告)日：2003-08-07

    申请号：US10240319

    申请日：2003-01-21

    Inventor： Philippe Karrer ,  Sebastien Balzano

    IPC: C07C203/00

    CPC classification number: C07C201/04 ,  C07C203/00

    Abstract: The invention concerns a method for preparing alkyl nitrites of formula (I) R ONO (I) ONO wherein R represents a C1-C20, advantageously C2-C10 linear or branched alkyl group. The invention is characterised in that it consists in gradually and continuously adding in an aqueous medium, an alcohol of formula (II) R OH, R being as defined above, a nitrite of formula (III) M NO2, wherein M represents a metal cation, and a strong acid, so as to form continuously said alkyl nitrite, and in continuously drawing off said alkyl nitrite thus formed from the reaction medium.

    Abstract translation: 本发明涉及一种制备式（I）的烷基亚硝酸酯R ONO（I）ONO的方法，其中R表示C1-C20，有利地为C2-C10直链或支链烷基。 本发明的特征在于其在水性介质中逐渐和连续地加入式（II）的醇R OH，R如上定义，式（III）的亚硝酸根M NO 2，其中M表示金属阳离子 和强酸，从而连续形成亚硝酸烷基酯，并连续地从反应介质中除去由此形成的亚硝酸烷基酯。

    Process for Producing Cl-C4 Alkyl Nitrite
    8.
    发明申请
    Process for Producing Cl-C4 Alkyl Nitrite 有权
    生产Cl-C4烷基亚硝酸盐的方法

    公开(公告)号：US20110257425A1

    公开(公告)日：2011-10-20

    申请号：US13088253

    申请日：2011-04-15

    Applicant: Juntao Liu ,  Siqin Li ,  Lei Li ,  Linna Zhang

    Inventor： Juntao Liu ,  Siqin Li ,  Lei Li ,  Linna Zhang

    IPC: C07C203/00

    CPC classification number: C07C201/04 ,  C07C203/00

    Abstract: The present invention relates to a process for producing C1-C4 alkyl nitrite, comprising loading a resin catalyst layer and/or a porous filler layer into a reactor, passing nitrogen oxide, oxygen and C1-C4 alkanol as raw materials through the resin catalyst layer and/or porous filler layer in a counter current, parallel current or cross current manner, reacting under the conditions including a reaction temperature of from 0 to 150° C., a reaction pressure of from −0.09 to 1.5 MPa, a molar ratio of C1-C4 alkanol/nitrogen oxide of 1-100:1, a molar ratio of nitrogen oxide/oxygen of 4-50:1, to obtain an effluent containing C1-C4 alkyl nitrite, wherein said nitrogen oxide is NO, or a mixed gas containing NO and one or more selected from N2O3 and NO2.

    Abstract translation: 本发明涉及一种生产C1-C4烷基亚硝酸盐的方法，包括将树脂催化剂层和/或多孔填料层装入反应器中，使氮氧化物，氧和C1-C4链烷醇作为原料通过树脂催化剂层 和/或多孔填料层，以相对电流，并联电流或交叉电流方式，在0〜150℃的反应温度，-0.09〜1.5MPa的反应压力，-0.09〜1.5MPa的反应压力， C1-C4链烷醇/氮氧化物为1-100:1，氮氧化物/氧摩尔比为4-50:1，得到含有C 1 -C 4烷基亚硝酸盐的流出物，其中所述氮氧化物为NO，或混合 含有NO和选自N 2 O 3和NO 2中的一种或多种的气体。

    Method for producing C.sub.1 to C.sub.5 alkyl nitrides
    10.
    发明授权
    Method for producing C.sub.1 to C.sub.5 alkyl nitrides 失效
    制备C1至C5烷基氮化物的方法

    公开(公告)号：US4980496A

    公开(公告)日：1990-12-25

    申请号：US446028

    申请日：1989-12-05

    Applicant: Olan S. Fruchey

    Inventor： Olan S. Fruchey

    IPC: C07C201/04 ,  C07C203/00

    CPC classification number: C07C201/04

    Abstract: The invention provides a process for the production of C.sub.1 to C.sub.5 alkyl nitrite by forming an aqueous solution of C.sub.1 to C.sub.5 alkyl alcohol an alkali metal nitrite; cooling it; then slowly adding a hydrohalic acid solution while it is stirring; the reaction temperature is maintained in the range of from about -10.degree. C. to about 10.degree. C. until the reaction is substantially complete; and the two formed phases are separated in a separatory funnel.

    Abstract translation: 本发明提供一种通过形成C1-C5烷基醇水溶液和碱金属亚硝酸盐来生产C1至C5烷基亚硝酸盐的方法; 冷却 然后在搅拌下缓慢加入氢卤酸溶液; 反应温度保持在约-10℃至约10℃的范围内，直至反应基本完成; 并且两个形成的相在分液漏斗中分离。

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