公开(公告)号：US09637422B2

公开(公告)日：2017-05-02

申请号：US14000095

申请日：2012-02-17

Applicant: Myeong-Seok Kim ,  Jae-Hoon Uhm ,  Min-Sup Park ,  Hyoung-Jae Seo ,  Kyoung-Tae Min

Inventor： Myeong-Seok Kim ,  Jae-Hoon Uhm ,  Min-Sup Park ,  Hyoung-Jae Seo ,  Kyoung-Tae Min

IPC: C07C1/22 ,  C07B37/06 ,  C07C1/20 ,  C07C41/06

CPC classification number: C07C1/22 ,  C07B37/06 ,  C07C1/20 ,  C07C41/06 ,  C07C2531/10 ,  Y02P20/582 ,  C07C11/09 ,  C07C43/10

Abstract: Disclosed is a method of preparing isobutene in which high-purity isobutene is separated (prepared) from a C4 mixture by cracking glycol ether prepared from a C4 mixture (in particular, C4 raffinate-1) containing isobutene and a glycol. The method includes cracking glycol ether into isobutene and glycol at a temperature between 50° C. and 300° C. in the presence of a strongly acidic catalyst. The glycol ether may be prepared by reaction between a C4 mixture containing isobutene and glycol in the presence of an acid catalyst.

公开(公告)号：US08766015B2

公开(公告)日：2014-07-01

申请号：US14000648

申请日：2012-02-21

Applicant: Myeong-Seok Kim ,  Jae-Hoon Uhm ,  Min-Sup Park ,  Hyoung-Jae Seo ,  Kyoung-Tae Min

Inventor： Myeong-Seok Kim ,  Jae-Hoon Uhm ,  Min-Sup Park ,  Hyoung-Jae Seo ,  Kyoung-Tae Min

IPC: C07C41/06

CPC classification number: C07C41/06 ,  C07B63/00 ,  C07C41/44 ,  Y02P20/582 ,  C07C43/046

Abstract: Disclosed is a method of preparing a glycol mono-tertiary-butyl ether compound using a C4 hydrocarbon mixture containing isobutene and a glycol compound as reactants, in which a glycol di-tertiary-butyl ether compound as a byproduct is decomposed into isobutene and a glycol compound and the obtained isobutene and glycol compound are recycled as reactants, whereby product yield per unit raw material may be maximized. The method includes a catalytic reaction step for preparing a glycol mono-tertiary-butyl ether compound and a glycol di-tertiary-butyl ether compound as a byproduct by reaction between a glycol compound and a C4 hydrocarbon mixture containing isobutene in the presence of an acidic catalyst, a byproduct extraction step for separating the glycol mono-tertiary-butyl ether compound and the glycol di-tertiary-butyl ether compound, prepared through the catalytic reaction step, using a hydrophilic extractant and a lipophilic extractant, and a byproduct decomposition and recycling step for decomposing the separated glycol di-tertiary-butyl ether compound into a glycol compound and isobutene and recycling the decomposed glycol compound and isobutene as the reactants to the catalytic reaction step.

Abstract translation: 公开了使用含有异丁烯和二醇化合物作为反应物的C4烃混合物制备二醇单叔丁醚化合物的方法，其中作为副产物的二醇二叔丁基醚化合物分解成异丁烯和二醇 化合物和所得到的异丁烯和二醇化合物作为反应物再循环，由此每单位原料的产物产率可以最大化。 该方法包括通过二元醇化合物与含有异丁烯的C4烃混合物在酸性存在下的反应来制备二醇单叔丁醚化合物和二醇二叔丁基醚化合物作为副产物的催化反应步骤 催化剂，通过催化反应步骤制备的二醇单叔丁基醚化合物和二醇二叔丁基醚化合物的副产物提取步骤，使用亲水性萃取剂和亲脂性萃取剂，以及副产物分解和再循环 将分离的二醇二叔丁醚化合物分解成二醇化合物和异丁烯并将分解的二醇化合物和异丁烯作为反应物再循环到催化反应步骤的步骤。

公开(公告)号：US20130324781A1

公开(公告)日：2013-12-05

申请号：US14000095

申请日：2012-02-17

Applicant: Myeong-Seok Kim ,  Jae-Hoon Uhm ,  Min-Sup Park ,  Hyoung-Jae Seo ,  Kyoung-Tae Min

Inventor： Myeong-Seok Kim ,  Jae-Hoon Uhm ,  Min-Sup Park ,  Hyoung-Jae Seo ,  Kyoung-Tae Min

IPC: C07C1/22

CPC classification number: C07C1/22 ,  C07B37/06 ,  C07C1/20 ,  C07C41/06 ,  C07C2531/10 ,  Y02P20/582 ,  C07C11/09 ,  C07C43/10

Abstract: Disclosed is a method of preparing isobutene in which high-purity isobutene is separated (prepared) from a C4 mixture by cracking glycol ether prepared from a C4 mixture (in particular, C4 raffinate-1) containing isobutene and a glycol. The method includes cracking glycol ether into isobutene and glycol at a temperature between 50° C. and 300° C. in the presence of a strongly acidic catalyst. The glycol ether may be prepared by reaction between a C4 mixture containing isobutene and glycol in the presence of an acid catalyst.

Abstract translation: 公开了一种制备异丁烯的方法，其中通过裂解由含有异丁烯和二醇的C4混合物（特别是C4萃余液-1）制备的二醇醚，从C4混合物中分离（制备）高纯度异丁烯。 该方法包括在强酸性催化剂存在下，在50℃至300℃的温度下将乙二醇醚裂化成异丁烯和二醇。 乙二醇醚可以通过在酸催化剂存在下在含有异丁烯和二醇的C4混合物之间进行反应来制备。

公开(公告)号：US20130331613A1

公开(公告)日：2013-12-12

申请号：US14000648

申请日：2012-02-21

Applicant: Myeong-Seok Kim ,  Jae-Hoon Uhm ,  Min-Sup Park ,  Hyoung-Jae Seo ,  Kyoung-Tae Min

Inventor： Myeong-Seok Kim ,  Jae-Hoon Uhm ,  Min-Sup Park ,  Hyoung-Jae Seo ,  Kyoung-Tae Min

IPC: C07C41/06

CPC classification number: C07C41/06 ,  C07B63/00 ,  C07C41/44 ,  Y02P20/582 ,  C07C43/046

Abstract: Disclosed is a method of preparing a glycol mono-tertiary-butyl ether compound using a C4 hydrocarbon mixture containing isobutene and a glycol compound as reactants, in which a glycol di-tertiary-butyl ether compound as a byproduct is decomposed into isobutene and a glycol compound and the obtained isobutene and glycol compound are recycled as reactants, whereby product yield per unit raw material may be maximized. The method includes a catalytic reaction step for preparing a glycol mono-tertiary-butyl ether compound and a glycol di-tertiary-butyl ether compound as a byproduct by reaction between a glycol compound and a C4 hydrocarbon mixture containing isobutene in the presence of an acidic catalyst, a byproduct extraction step for separating the glycol mono-tertiary-butyl ether compound and the glycol di-tertiary-butyl ether compound, prepared through the catalytic reaction step, using a hydrophilic extractant and a lipophilic extractant, and a byproduct decomposition and recycling step for decomposing the separated glycol di-tertiary-butyl ether compound into a glycol compound and isobutene and recycling the decomposed glycol compound and isobutene as the reactants to the catalytic reaction step.

Abstract translation: 公开了使用含有异丁烯和二醇化合物作为反应物的C4烃混合物制备二醇单叔丁醚化合物的方法，其中作为副产物的二醇二叔丁基醚化合物分解成异丁烯和二醇 化合物和所得到的异丁烯和二醇化合物作为反应物再循环，由此每单位原料的产物产率可以最大化。 该方法包括通过二元醇化合物与含有异丁烯的C4烃混合物在酸性存在下的反应来制备二醇单叔丁醚化合物和二醇二叔丁基醚化合物作为副产物的催化反应步骤 催化剂，通过催化反应步骤制备的二醇单叔丁基醚化合物和二醇二叔丁基醚化合物的副产物提取步骤，使用亲水性萃取剂和亲脂性萃取剂，以及副产物分解和再循环 将分离的二醇二叔丁醚化合物分解成二醇化合物和异丁烯并将分解的二醇化合物和异丁烯作为反应物再循环到催化反应步骤的步骤。

公开(公告)号：US20110306803A1

公开(公告)日：2011-12-15

申请号：US13155517

申请日：2011-06-08

Applicant: Myeong Seok KIM ,  Jae Hoon Uhm ,  Min Sup Park ,  Jae Wook Kim

Inventor： Myeong Seok KIM ,  Jae Hoon Uhm ,  Min Sup Park ,  Jae Wook Kim

IPC: C07C41/38 ,  C07C41/42

CPC classification number: C07C41/38 ,  C07C43/11

Abstract: A method of separating glycol mono-tertiary-butyl ether and glycol di-tertiary-butyl ether by an extraction process using hydrophilic and lipophilic extracting agents is disclosed. The separation method includes the step of separating a mixture including glycol mono-tertiary-butyl ether of the following Chemical formula 1 and glycol di-tertiary-butyl ether of the following Chemical formula 2 with a hydrophilic extracting agent and a lipophilic extracting agent, wherein, R1 and R2 are independently, a hydrogen atom or an alkyl group of carbon number of 1 to 5, and n is an integer of 0 to 4.

Abstract translation: 公开了通过使用亲水和亲脂性提取剂的提取方法分离二醇单叔丁基醚和二醇二叔丁基醚的方法。 分离方法包括用亲水性萃取剂和亲油性萃取剂分离包含以下化学式1的二醇单叔丁基醚和下列化学式2的二醇二叔丁基醚的混合物的步骤，其中 R 1和R 2独立地为氢原子或碳原子数为1〜5的烷基，n为0〜4的整数。