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    • 5. 发明公开
    • 2-부텐으로부터 위치 이성화를 통한 선택적 1-부텐의 제조공정
    • 通过2-BUTEN的位置异构化选择性生产1-BOTENE的过程
    • KR1020090099779A
    • 2009-09-23
    • KR1020080024961
    • 2008-03-18
    • 에스케이이노베이션 주식회사에스케이종합화학 주식회사
    • 고민수이재호이성준이희두박민규임윤재전종기임진형
    • C07C5/22C07C11/08
    • PURPOSE: A process for selectively producing 1-butene through positional isomerization from 2-butenes is provided to prepare 1-butene used as a copolymer monomer when polyolefin can be manufactured at high yield and high selectivity. CONSTITUTION: A process for selectively producing 1-butene through positional isomerization from 2-butenes comprises the steps of: preparing for C4 olefin fraction with 80 wt% or more of olefin content; introducing the fraction to 1-butene distillation tower; recovering 1-butene on the top the 1-butene distillation tower; introducing the fraction to 1-butene separation column; recycling the topped fraction(5) to the 1-butene distillation tower; introducing the fraction with 10wt% or less of the bottomed fraction(6) to an isomerization reactor; and recycling the fration to the 1-butene distillation tower obtained through isomerization reaction of 2- butane.
    • 目的:提供从2-丁烯通过位置异构化选择性生产1-丁烯的方法,以制备当以高产率和高选择性制备聚烯烃时用作共聚物单体的1-丁烯。 构成:通过2-丁烯位置异构化选择性生产1-丁烯的方法包括以下步骤:制备具有80重量%或更多烯烃含量的C 4烯烃部分; 将馏分引入1-丁烯蒸馏塔; 在1-丁烯蒸馏塔顶部回收1-丁烯; 将馏分引入1-丁烯分离柱; 将顶部馏分(5)再循环到1-丁烯蒸馏塔; 将具有10重量%以下的有底部分(6)的馏分引入异构化反应器; 并通过2-丁烷的异构化反应将所得到的纤维素再循环到由1-丁烯蒸馏塔中获得。
    • 10. 发明公开
    • 아세틸렌 전환공정을 이용한 C4 유분으로부터1,3-부타디엔을 분리하는 방법
    • 用乙炔转化器从C4原料中分离1,3-丁二烯的方法
    • KR1020100009009A
    • 2010-01-27
    • KR1020080069677
    • 2008-07-17
    • 에스케이이노베이션 주식회사
    • 이희두오경종고민수박민규이성준임윤재오승훈김태진김용승박덕수김홍찬
    • C10G45/32C10G65/12C07C11/167
    • C10G67/04C07C7/08C07C11/107C10G21/00C10G21/28C10G45/32C10G2300/44C10G2400/20C07C11/167
    • PURPOSE: A method of separating 1,3-butadiene from C4 fraction using an acetylene conversion process is provided to reduce the time that foreign materials are generated. CONSTITUTION: A method of separating 1,3-butadiene from C4 fraction using an acetylene conversion process is as follows: A C4 fraction is supplied to a multi-stage hydrogenation reactor. The content of acetylenes is reduced under 70 wtppm by selectively converting acetylenes through a liquid-phase hydrogenation reaction. The fraction from the multi-stage hydrogenation reactor and an extractive solvent is supplied to an extractive distillation tower. A gas-phase fraction of the top of a pre-treatment separator is supplied to a solvent recovery tower, and a liquid-phase fraction of the bottom of the pre-treatment separator is supplied to a solvent stripping tower by applying a bottom fraction of the extractive distillation tower to the pre-treatment separator. The fraction from the solvent stripping tower, the fraction of butadiene and acetylenes, and the fraction of the pre-treatment separator are supplied to the solvent recovery tower. The overhead fraction of the solvent recovery tower is applied to a refining tower, and then, high purity 1.3- butadiene is obtained.
    • 目的:提供使用乙炔转化法从C4馏分中分离1,3-丁二烯的方法,以减少产生异物的时间。 构成:使用乙炔转化法从C4馏分中分离1,3-丁二烯的方法如下:将C4级分提供给多级氢化反应器。 通过液相氢化反应选择性地转化乙炔,乙炔的含量降低到70wtppm以下。 来自多级氢化反应器的馏分和萃取溶剂被供应到萃取蒸馏塔。 将预处理分离器的顶部的气相分数供给到溶剂回收塔,并且将预处理分离器的底部的液相部分通过施加底部馏分供给到溶剂汽提塔 萃取蒸馏塔到预处理分离器。 来自溶剂汽提塔的馏分,丁二烯和乙炔的馏分以及预处理分离器的馏分被供给到溶剂回收塔。 将溶剂回收塔的塔顶馏分应用于精制塔,然后得到高纯度的1,3-丁二烯。