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    • 1. 发明授权
    • Process for producing ethylene glycol catalyzed by ionic liquid
    • 由离子液体催化生产乙二醇的方法
    • US08658842B2
    • 2014-02-25
    • US13520008
    • 2010-06-07
    • Suojiang ZhangJian SunWeiguo ChengJinquan WangJianxin ZhangZengzeng FuXiangping Zhang
    • Suojiang ZhangJian SunWeiguo ChengJinquan WangJianxin ZhangZengzeng FuXiangping Zhang
    • C07C29/09
    • C07C29/106C07C29/12Y02P20/52C07C31/202
    • Disclosed is a process for producing ethylene glycol catalyzed by an ionic liquid, characterized in that the process includes the following three steps: (a) a carbonylation step of ethylene oxide and CO2 catalyzed by an ionic liquid composite catalyst comprising a hydroxyl functionalized ionic liquid and an alkali metal salt under an aqueous condition to produce ethylene carbonate and ethylene glycol; (b) a hydrolysis step of reacting the reaction solution containing ethylene carbonate and the ionic liquid composite catalyst obtained in step (a) with water to produce ethylene glycol; (c) a purification step of dehydrating and refining ethylene glycol from the aqueous solution containing ethylene glycol and the catalyst produced in step (b). The present process has the following advantages: the catalyst has high activity, high suitability, and good stability, the reaction condition is wild, the conversion of ethylene oxide is high, the selectivity of ethylene glycol is high, and the process is simple.
    • 公开了一种由离子液体催化的生产乙二醇的方法,其特征在于该方法包括以下三个步骤:(a)由包含羟基官能化的离子液体的离子液体复合催化剂催化的环氧乙烷和CO 2的羰基化步骤,和 在水溶液条件下制备碱金属盐以制备碳酸亚乙酯和乙二醇; (b)使含有碳酸亚乙酯的反应溶液和步骤(a)中得到的离子液体复合催化剂与水反应以产生乙二醇的水解步骤; (c)从含有乙二醇的水溶液和步骤(b)中制备的催化剂中脱水和精制乙二醇的纯化步骤。 本方法具有以下优点:催化剂活性高,适用性好,稳定性好,反应条件野生,环氧乙烷转化率高,乙二醇选择性高,工艺简单。
    • 2. 发明申请
    • PROCESS FOR PRODUCING ETHYLENE GLYCOL CATALYZED BY IONIC LIQUID
    • 生产由离子液体催化的乙烯甘油的方法
    • US20130072727A1
    • 2013-03-21
    • US13520008
    • 2010-06-07
    • Suojiang ZhangJian SunWeiguo ChengJinquan WangJianxin ZhangZengzeng FuZiangping Zhang
    • Suojiang ZhangJian SunWeiguo ChengJinquan WangJianxin ZhangZengzeng FuZiangping Zhang
    • C07C27/02
    • C07C29/106C07C29/12Y02P20/52C07C31/202
    • Disclosed is a process for producing ethylene glycol catalyzed by an ionic liquid, characterized in that the process includes the following three steps: (a) a carbonylation step of ethylene oxide and CO2 catalyzed by an ionic liquid composite catalyst comprising a hydroxyl functionalized ionic liquid and an alkali metal salt under an aqueous condition to produce ethylene carbonate and ethylene glycol; (b) a hydrolysis step of reacting the reaction solution containing ethylene carbonate and the ionic liquid composite catalyst obtained in step (a) with water to produce ethylene glycol; (c) a purification step of dehydrating and refining ethylene glycol from the aqueous solution containing ethylene glycol and the catalyst produced in step (b). The present process has the following advantages: the catalyst has high activity, high suitability, and good stability, the reaction condition is wild, the conversion of ethylene oxide is high, the selectivity of ethylene glycol is high, and the process is simple.
    • 公开了一种由离子液体催化的生产乙二醇的方法,其特征在于该方法包括以下三个步骤:(a)由包含羟基官能化的离子液体的离子液体复合催化剂催化的环氧乙烷和CO 2的羰基化步骤,和 在水溶液条件下制备碱金属盐以制备碳酸亚乙酯和乙二醇; (b)使含有碳酸亚乙酯的反应溶液和步骤(a)中得到的离子液体复合催化剂与水反应以产生乙二醇的水解步骤; (c)从含有乙二醇的水溶液和步骤(b)中制备的催化剂中脱水和精制乙二醇的纯化步骤。 本方法具有以下优点:催化剂活性高,适用性好,稳定性好,反应条件野生,环氧乙烷转化率高,乙二醇选择性高,工艺简单。
    • 5. 发明申请
    • ROTARY LOCK BLOCK TYPE DRILLING RISER CONNECTOR
    • 旋转锁类型钻机上升器连接器
    • US20140020905A1
    • 2014-01-23
    • US13985804
    • 2011-06-07
    • Caihu ChenDingya WangKeren RenPing DengJinquan WangAili LiHong He
    • Caihu ChenDingya WangKeren RenPing DengJinquan WangAili LiHong He
    • E21B17/08
    • E21B17/085F16L23/024
    • A rotary lock block type drilling riser connector, including a main body connection part and control pipeline connection parts, the structure of main body connection part is: a driving ring is set between the flanges of an upper and a lower joint, a plurality of fan-shaped grooves are set on the lower end of the flange of the upper joint, each fan-shaped groove having a lock block (6) therein, the driving ring (4) surrounds outer sides of all the lock blocks, matching crimping circular grooves are arranged for each lock block and the lower joint; each lock block is slidably connected with a T-shaped elongated slot of the upper joint through a T-shaped screw; the driving ring is fixedly connected with the flange upwardly, many segments of the horizontal T-shaped slots are evenly distributed in the inner surface of the driving ring along a circumference direction, another screw hole is provided in the outer circumferential surface of the lock block, and the driving ring is slidably connected with the lock block in the circumferential direction by a T-shaped screw. The connector is simple in structure and convenient to operation.
    • 一种旋转锁块式钻井立管连接器,包括主体连接部分和控制管道连接部分,主体连接部分的结构是:驱动环设置在上下接头的凸缘之间,多个风扇 形状的槽设置在上接头的凸缘的下端,每个扇形槽在其中具有锁定块(6),驱动环(4)围绕所有锁定块的外侧,匹配压接圆形槽 被布置用于每个锁定块和下部接头; 每个锁定块通过T形螺钉与上接头的T形细长槽滑动连接; 驱动环与凸缘向上固定连接,水平T形槽的许多部分沿着圆周方向均匀地分布在驱动环的内表面中,另一个螺孔设在锁块的外圆周表面 并且驱动环通过T形螺钉沿圆周方向与锁定块滑动连接。 连接器结构简单,操作方便。