PROCESS FOR THE PRODUCTION OF AN OLEFIN OXIDE, A 1,2-DIOL, A 1,2-DIOL ETHER, A 1,2-CARBONATE, OR AN ALKANOLAMINE
    3.
    发明申请
    PROCESS FOR THE PRODUCTION OF AN OLEFIN OXIDE, A 1,2-DIOL, A 1,2-DIOL ETHER, A 1,2-CARBONATE, OR AN ALKANOLAMINE 有权
    生产氧化烯,1,2-二醇,1,2-二醇醚,1,2-二碳酸酯或烷醇胺的方法

    公开(公告)号:US20110105771A1

    公开(公告)日:2011-05-05

    申请号:US12988903

    申请日:2008-05-07

    申请人: Marek Matusz

    发明人: Marek Matusz

    CPC分类号: C07D301/10 Y02P20/142

    摘要: A process for the epoxidation of an olefin comprising contacting a reactor feed comprising an olefin, oxygen, and carbon dioxide, with a catalyst comprising a carrier and, deposited on the carrier, silver, a rhenium promoter, a first co-promoter, and a second co-promoter; wherein the carbon dioxide is present in the reactor feed in a quantity of at most 3 mole percent based on the total epoxidation reactor feed; the first co-promoter is selected from sulfur, phosphorus, boron, and mixtures thereof; and the second co-promoter is selected from tungsten, molybdenum, chromium, and mixtures thereof; a process for preparing a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine.

    摘要翻译: 一种烯烃的环氧化方法,包括将包含烯烃,氧和二氧化碳的反应器进料与包含载体的催化剂接触,并沉积在载体上,银,铼促进剂,第一共助催化剂和 第二共同启动子; 其中基于总环氧化反应器进料,二氧化碳以至多3摩尔%的量存在于反应器进料中; 第一共助催化剂选自硫,磷,硼及其混合物; 并且第二共助催化剂选自钨,钼,铬及其混合物; 制备1,2-二醇,1,2-二醇醚,1,2-碳酸酯或链烷醇胺的方法。

    PROCESS FOR THE START-UP OF AN EPOXIDATION PROCESS, A PROCESS FOR THE PRODUCTION OF ETHYLENE OXIDE, A 1,2-DIOL, A 1,2-DIOL ETHER, A 1,2-CARBONATE, OR AN ALKANOLAMINE
    5.
    发明申请
    PROCESS FOR THE START-UP OF AN EPOXIDATION PROCESS, A PROCESS FOR THE PRODUCTION OF ETHYLENE OXIDE, A 1,2-DIOL, A 1,2-DIOL ETHER, A 1,2-CARBONATE, OR AN ALKANOLAMINE 有权
    环氧化方法开始的方法,生产乙烯氧化物,1,2-二醇,1,2-二醇醚,1,2-碳酸酯或烷醇胺的方法

    公开(公告)号:US20090281339A1

    公开(公告)日:2009-11-12

    申请号:US12437172

    申请日:2009-05-07

    摘要: A process is provided for the start-up of an ethylene epoxidation process comprising: (a) contacting a catalyst bed comprising a high selectivity epoxidation catalyst with a feed comprising ethylene, oxygen and an organic chloride for a period of time until an increase of at least 1×10−5 mole-% of vinyl chloride (calculated as the moles of vinyl chloride relative to the total gas mixture), preferably 2×10−5 mole-% of vinyl chloride is detected in a reactor outlet gas or a recycle gas loop; and (b) subsequently adjusting the quantity of organic chloride in the feed to a value sufficient to produce ethylene oxide at a substantially optimum selectivity.

    摘要翻译: 提供了一种启动乙烯环氧化方法的方法,包括:(a)将包含高选择性环氧化催化剂的催化剂床与包含乙烯,氧气和有机氯化物的进料接触一段时间,直到增加 在反应器出口气体或循环气体回路中检测到最少1×10-5摩尔%的氯乙烯(以氯乙烯相对于总气体混合物的摩尔计算),优选2×10-5摩尔%的氯乙烯; 和(b)随后将进料中的有机氯化物的量调节至足以以基本上最佳选择性产生环氧乙烷的值。

    PROCESS FOR PREPARING A REJUVENATED EPOXIDATION CATALYST
    8.
    发明申请
    PROCESS FOR PREPARING A REJUVENATED EPOXIDATION CATALYST 失效
    制备再生环氧化催化剂的方法

    公开(公告)号:US20070167639A1

    公开(公告)日:2007-07-19

    申请号:US11613849

    申请日:2006-12-20

    IPC分类号: C07D301/03

    摘要: A process for preparing a rejuvenated epoxidation catalyst, for the epoxidation of one or more olefins using the rejuvenated epoxidation catalyst to produce olefin oxide, and for the production of a 1,2-diol, a 1,2-diol ether, or an alkanol amine from the olefin oxide, the process comprising: providing a quantity of spent epoxidation catalyst having a cumulative alkylene oxide production of 0.16 kT/m3 of the spent epoxidation catalyst or more; and, depositing additional silver on the spent epoxidation catalyst in an amount of 0.2% w or more, based on the weight of the spent epoxidation catalyst.

    摘要翻译: 一种制备环氧化催化剂的方法,用于环氧化一种或多种烯烃,使用复原的环氧化催化剂制备烯烃氧化物,以及用于生产1,2-二醇,1,2-二醇醚或链烷醇 胺,其方法包括:提供一定量的环氧化催化剂,该催化剂的累积环氧烷产生量为废弃环氧化催化剂的0.16kT / m 3以上; 并且基于废环氧化催化剂的重量,在废环氧化催化剂上以0.2%(重量)以上的量沉积额外的银。

    Ethylene oxide catalyst and process
    10.
    发明授权
    Ethylene oxide catalyst and process 失效
    环氧乙烷催化剂及工艺

    公开(公告)号:US5380697A

    公开(公告)日:1995-01-10

    申请号:US118486

    申请日:1993-09-08

    摘要: This invention relates to an ethylene oxide catalyst which contains silver and one or more alkali metal promoters supported an a carrier having a crush strength of at least about 5 pounds and a settled packing density of at least about 30 pounds/cubic foot which comprises first and second alpha alumina components with a first alpha alumina component in the form of particles having a median crystallite size of from about 0.4 to about 4 microns providing from about 95% to about 40% of the total weight of alpha alumina in the carrier and a second alpha alumina component generated in situ by a sol-gel process and providing the balance of the alpha alumina in the carrier. Titania is optionally added to the carrier.

    摘要翻译: 本发明涉及一种环氧乙烷催化剂,其包含银和一种或多种碱金属助催化剂,其负载了具有至少约5磅的压碎强度和至少约30磅/立方英尺的沉降堆积密度的载体,其包含第一和 第二α氧化铝组分,其具有中等微晶尺寸为约0.4至约4微米的颗粒形式的第一α氧化铝组分,提供载体中α氧化铝总重量的约95%至约40%,第二 α氧化铝组分通过溶胶 - 凝胶法原位产生,并提供载体中α氧化铝的平衡。 任选地将二氧化钛加入到载体中。