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    • 74. 发明授权
    • Cogeneration of isobutylene plus MTBE from crude t-butanol/methanol
feedstocks
    • 来自粗品叔丁醇/甲醇原料的异丁烯加MTBE的热电联产
    • US5313006A
    • 1994-05-17
    • US994015
    • 1992-12-21
    • John F. Knifton
    • John F. Knifton
    • C07B61/00C07C1/24C07C41/09C07C43/04
    • C07C41/09C07C1/24C07C2529/08
    • Disclosed is an improvement in a method for cogeneration of isobutylene and MTBE by etherification of tBA/MeOH over an ion-exchange resin which allows for more complete conversion of the remaining tBA fraction and comprises a second step consisting essentially of recovering the MTBE from the primary fractionator as an overhead fraction and etherifying the bottoms from the primary fractionator over an inorganic acid catalyst comprising a crystalline aluminosilicate faujasite-type Y-zeolite modified with a compound selected from a fluoride-containing compound including hydrofluoric acid, ammonium fluoride, fluorosulfonic acids and their cogeners and triflic anhydride at a temperature of greater than 120.degree. C.
    • 公开了通过tBA / MeOH通过离子交换树脂的醚化来进行异丁烯和MTBE的热电联产方法的改进,其允许剩余的tBA馏分更完全的转化,并且包括基本上由主要从回收的MTBE 分馏器作为塔顶馏分,并将来自主分馏器的塔底馏分在无机酸催化剂上进行醚化,所述无机酸催化剂包含用选自包含氢氟酸,氟化铵,氟代磺酸的含氟化合物及其它化合物的化合物改性的结晶硅铝酸盐八面沸石型Y-沸石 共聚物和三氟甲磺酸酐在大于120℃的温度下
    • 77. 发明授权
    • Method for one-step synthesis of methyl t-butyl ether
    • 一步合成甲基叔丁基醚的方法
    • US5214217A
    • 1993-05-25
    • US917218
    • 1992-07-22
    • John F. Knifton
    • John F. Knifton
    • C07C41/09
    • C07C41/09
    • A method is disclosed wherein t-butanol is reacted with methanol in a reaction zone in the presence of a catalyst to provide methyl-tert-butyl ether and the improvement of accomplishing the reaction in one-step which comprises:a. using a catalyst selected from the group consisting of acidic aluminas, and crystalline aluminosilicate faujasite-type zeolites, particularly dealuminized Y-type zeolites;b. continuously contacting said t-butanol and methanol in a molar amount of about 0.1 to 10 moles of methanol per mole of t-butanol with said catalyst at a temperature of about 20.degree. C. to about 250.degree. C. and a pressure of about atmospheric to about 1000 psig to obtain the methyl-tert-butyl product.
    • 公开了一种方法,其中在催化剂存在下,使叔丁醇与甲醇在反应区中反应,得到甲基叔丁基醚,并改进一步完成反应,该方法包括:a。 使用选自酸性氧化铝和结晶硅铝酸盐八面沸石型沸石,特别是脱铝Y型沸石的催化剂; b。 在约20℃至约250℃的温度和大约大气压的压力下,使所述叔丁醇和甲醇以摩尔量的约0.1至10摩尔甲醇/摩尔叔丁醇与所述催化剂连续接触 至约1000psig,得到甲基 - 叔丁基产物。
    • 80. 发明授权
    • Method for one-step synthesis of methyl t-butyl ether
    • 一步合成甲基叔丁基醚的方法
    • US5099072A
    • 1992-03-24
    • US494280
    • 1990-03-16
    • John F. Knifton
    • John F. Knifton
    • C07C41/09
    • C07C41/09
    • A method is disclosed wherein t-butanol is reacted with methanol in a reaction zone in the presence of a catalyst to provide methyl-tert-butyl ether and the improvement of accomplishing the reaction in one-step which comprises:a. using an acidic montmorillonite silica-alumina catalyst;b. continuously contacting said t-butanol and methanol in a molar amount of about 0.1 to 10 moles of methanol per mole of t-butanol with said catalyst at a temperature of about 20.degree. C. to about 250.degree. C. and a pressure of about atmospheric to about 1000 psig to obtain the methyl-tert-butyl product.
    • 公开了一种方法,其中在催化剂存在下,使叔丁醇与甲醇在反应区中反应,得到甲基叔丁基醚,并改进一步完成反应,该方法包括:a。 使用酸性蒙脱石二氧化硅 - 氧化铝催化剂; b。 在约20℃至约250℃的温度和大约大气压的压力下,使所述叔丁醇和甲醇以摩尔量的约0.1至10摩尔甲醇/摩尔叔丁醇与所述催化剂连续接触 至约1000psig,得到甲基 - 叔丁基产物。