Method for producing perfluorocarbon
    1.
    发明授权
    Method for producing perfluorocarbon 失效
    生产全氟化碳的方法

    公开(公告)号:US5892134A

    公开(公告)日:1999-04-06

    申请号:US1917

    申请日:1997-12-31

    CPC分类号: C07C17/38 C07C17/208

    摘要: A production method of perfluorocarbon comprising a main reaction step of making a hydrofluorocarbon and fluorine gas of raw materials react in vapor phase with each other to obtain a reaction product gas containing a perfluorocarbon and residual fluorine gas, and a fluorine gas removing step of making the reaction product gas effluent from the main reaction step contact a hydrofluorocarbon having a chemical equivalent not less than 1.1 mol times a chemical equivalent of the fluorine gas contained in the reaction product gas, thereby removing the fluorine gas.

    摘要翻译: 一种全氟化碳的制造方法,其特征在于,包括使氢氟烃和原料的氟气气相反应的主反应工序,得到含有全氟化碳和残余氟气的反应产物气体,以及氟气除去工序, 来自主反应步骤的反应产物气体流出物与化学当量不小于反应产物气体中所含的氟气的化学当量为1.1摩尔倍数的氢氟烃接触,从而除去氟气。

    Process for producing perfluorocarbon
    2.
    发明授权
    Process for producing perfluorocarbon 失效
    生产全氟化碳的方法

    公开(公告)号:US5675046A

    公开(公告)日:1997-10-07

    申请号:US630350

    申请日:1996-04-10

    IPC分类号: C07C17/10

    CPC分类号: C07C17/10

    摘要: A process for producing perfluorocarbons which comprises a step of contacting a hydrofluorocarbon with fluorine gas in a vapor phase at an elevated reaction temperature in a first reaction zone to obtain a gaseous reaction mixture; and a step of introducing the gaseous reaction mixture as a diluent gas into a second reaction zone and contacting the same therein at an elevated reaction temperature with a hydrofluorocarbon fed to the second reaction zone if necessary together with fluorine gas, the hydrofluorocarbon fed to the second reaction zone being different from the hydrofluorocarbon reacted in the first reaction zone.

    摘要翻译: 一种制备全氟化碳的方法,其包括在第一反应区中在升高的反应温度下在气相中使氢氟烃与氟气接触以获得气态反应混合物的步骤; 以及将气态反应混合物作为稀释气体引入第二反应区并在升高的反应温度下与进入第二反应区的氢氟烃一起与氟气接触的步骤,如果需要,与氟气一起供入第二反应区 反应区不同于在第一反应区中反应的氢氟烃。

    Method for purifying hexafluoroethane
    3.
    发明授权
    Method for purifying hexafluoroethane 有权
    六氟乙烷净化方法

    公开(公告)号:US06274782B1

    公开(公告)日:2001-08-14

    申请号:US09523966

    申请日:2000-03-13

    IPC分类号: C07C1738

    摘要: A purification method for purifying hexafluoroethane, comprising a step of making hexafluoroethane containing impurities of hydrofluorocarbons including two carbon atoms in a molecule contact a zeolite having a mean micropore size in a range of 3.5 Å to 11 Å and a silicon/aluminum ratio of not more than 1.5 or an adsorbent comprising the above-described zeolite and a carbonaceous adsorbent having a mean micropore size in a range of 3.5 Å to 11 Å, thereby reducing said hydrofluorocarbons.

    摘要翻译: 一种净化六氟乙烷的净化方法,其特征在于,包括在分子中含有包含2个碳原子的氢氟烷杂质的六氟乙烷与平均微孔尺寸在3.5〜11的范围内接触的硅石/铝比不大的工序 1.5以上的吸附剂或包含上述沸石的吸附剂和平均微孔尺寸在3埃至11埃范围内的碳质吸附剂,从而还原所述氢氟烃。

    Process for production of allyl acetate production catalyst
    8.
    发明授权
    Process for production of allyl acetate production catalyst 有权
    乙酸烯丙酯生产催化剂生产工艺

    公开(公告)号:US08338327B2

    公开(公告)日:2012-12-25

    申请号:US12527363

    申请日:2008-04-09

    摘要: An allyl acetate production catalyst comprising at least (a) palladium, (b) gold, (c) a compound containing at least one element selected from copper, nickel, zinc and cobalt, (d) an alkali metal salt compound and (e) a carrier, is produced by a process comprising step 1 in which a homogeneous solution of a palladium-containing compound and a gold-containing compound is supported on a carrier by contact therewith, step 2 in which the carrier obtained in step 1 is contacted with an alkali solution for impregnation, step 3 in which the carrier obtained in step 2 is subjected to reduction treatment, and step 4 in which a compound containing at least one element selected from copper, nickel, zinc and cobalt and an alkali metal salt compound are supported onto the carrier obtained in step 3. The obtained allyl acetate production catalyst has minimal reduction in activity and improved selectivity, when used for production of allyl acetate from propylene, oxygen and acetic acid.

    摘要翻译: 至少包含(a)钯,(b)金,(c)含有至少一种选自铜,镍,锌和钴的元素的化合物的乙酸烯丙酯生产催化剂,(d)碱金属盐化合物和(e) 通过包括步骤1的方法制备载体,其中含钯化合物和含金化合物的均匀溶液通过接触负载在载体上,步骤2将步骤1中获得的载体与 用于浸渍的碱溶液,其中步骤2中获得的载体进行还原处理的步骤3,以及步骤4,其中将选自铜,镍,锌和钴中的至少一种元素和碱金属盐化合物的化合物 负载在步骤3中获得的载体上。当用于从丙烯,氧气和乙酸生产乙酸烯丙酯时,所得到的乙酸烯丙酯生产催化剂的活性降低和选择性提高。