公开(公告)号：US20240082826A1

公开(公告)日：2024-03-14

申请号：US18511733

申请日：2023-11-16

申请人： LG CHEM, LTD.

发明人： Sang Jin HAN ,  Dong Hyun KO ,  Kyong Yong CHA ,  Ye Seul HWANG ,  Sunhwan HWANG

IPC分类号： B01J23/80 ,  B01J23/00 ,  B01J37/00 ,  B01J37/02 ,  B01J37/03 ,  B01J37/06 ,  B01J37/08 ,  C07C5/48

CPC分类号： B01J23/80 ,  B01J23/005 ,  B01J37/009 ,  B01J37/0236 ,  B01J37/031 ,  B01J37/06 ,  B01J37/08 ,  C07C5/48 ,  C07C2523/80

摘要： A method for preparing a zinc ferrite-based catalyst according to an embodiment of the present application comprises the steps of: contacting a metal precursor solution including a zinc precursor, a ferrite precursor, an acid solution and water with a basic aqueous solution to obtain a precipitate; and filtering and thereafter drying and calcining the precipitate, wherein the acid solution includes one or more of nitric acid (HNO3) and hydrocarbon acid.

公开(公告)号：US20160256855A1

公开(公告)日：2016-09-08

申请号：US14427207

申请日：2014-11-18

申请人： LG CHEM, LTD.

发明人： Dae Heung CHOI ,  Dong Hyun KO ,  Jun Han KANG ,  Kyong Yong CHA ,  Dae Chul KIM ,  Joo Hyuck LEE ,  Hyun Seok NAM ,  Myung Ji SUH ,  Ye Seul HWANG ,  Jun Kyu HAN ,  Sang Jin HAN

IPC分类号： B01J23/887 ,  C07C5/48 ,  B01J37/02 ,  B01J29/04 ,  B01J35/02

CPC分类号： B01J23/8876 ,  B01J23/002 ,  B01J23/31 ,  B01J29/04 ,  B01J29/076 ,  B01J29/26 ,  B01J29/48 ,  B01J29/7807 ,  B01J29/7815 ,  B01J35/026 ,  B01J37/0221 ,  B01J37/0236 ,  B01J37/0246 ,  B01J2229/64 ,  B01J2523/00 ,  C07C5/48 ,  C07C2523/04 ,  C07C2523/28 ,  C07C2523/31 ,  C07C2523/745 ,  C07C2523/75 ,  C07C2523/887 ,  C07C11/167 ,  B01J2523/13 ,  B01J2523/15 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845

摘要： The present invention relates to a bismuth molybdate-based composite oxide catalyst having a microporous zeolite coating layer on the surface thereof and thus having high selectivity for 1,3-butadiene, a method of preparing the same, and a method of preparing 1,3-butadiene using the same. The catalyst has a microporous zeolite coating layer, and thus enables only gaseous products (light) to selectively pass through the zeolite coating layer, improving selectivity for 1,3-butadiene.

摘要翻译： 本发明涉及一种在其表面具有微孔沸石涂层的钼酸铋基复合氧化物催化剂，因此对1,3-丁二烯具有高选择性，其制备方法和制备1,3 丁二烯使用相同。 催化剂具有微孔沸石涂层，因此仅使气态产物（光）选择性地通过沸石涂层，提高1,3-丁二烯的选择性。

公开(公告)号：US20210046469A1

公开(公告)日：2021-02-18

申请号：US16965586

申请日：2019-04-10

申请人： LG Chem, LTD.

发明人： Sunhwan HWANG ,  Kyong Yong CHA ,  Dong Hyun KO ,  Ye Seul HWANG ,  Jun Kyu HAN ,  Sang Jin HAN ,  Seongmin KIM

IPC分类号： B01J37/03 ,  B01J37/08 ,  B01J23/80 ,  C07C5/48

摘要： A method for preparing a metal complex catalyst by (A) obtaining a precipitate by bringing a metal precursor solution comprising a zinc (Zn) precursor, a ferrite (Fe) precursor, and water into contact with a basic aqueous solution; (B) obtaining a zinc ferrite catalyst by filtering and calcining the precipitate; and (C) supporting an acid onto the zinc ferrite catalyst, and a metal complex catalyst prepared thereby.

公开(公告)号：US20190184388A1

公开(公告)日：2019-06-20

申请号：US15735813

申请日：2016-12-21

申请人： LG CHEM, LTD.

发明人： Sun Hwan HWANG ,  Dong Hyun KO ,  Kyong Yong CHA ,  Dae Heung CHOI ,  Myung Ji SUH ,  Ye Seul HWANG ,  Jun Kyu HAN ,  Seong Min KIM ,  Jun Han KANG ,  Joo Hyuck LEE ,  Hyun Seok NAM ,  Sang Jin HAN

IPC分类号： B01J37/03 ,  B01J23/80 ,  B01J37/04 ,  B01J37/00 ,  B01J37/02 ,  B01J37/08 ,  B01J23/06 ,  C07C5/48

CPC分类号： B01J37/031 ,  B01J21/10 ,  B01J23/02 ,  B01J23/06 ,  B01J23/10 ,  B01J23/34 ,  B01J23/72 ,  B01J23/745 ,  B01J23/75 ,  B01J23/80 ,  B01J23/88 ,  B01J37/00 ,  B01J37/009 ,  B01J37/0236 ,  B01J37/03 ,  B01J37/04 ,  B01J37/08 ,  C07C5/48 ,  C07C2523/80

摘要： The present invention relates to a catalyst for oxidative dehydrogenation and a method of preparing the same. More particularly, the present invention provides a catalyst for oxidative dehydrogenation allowing oxidative dehydrogenation reactivity to be secured while increasing a first pass yield, and a method of preparing the catalyst.

公开(公告)号：US20170232426A1

公开(公告)日：2017-08-17

申请号：US14906426

申请日：2015-08-24

申请人： LG CHEM. LTD.

发明人： Myung Ji SUH ,  Kyong Yong CHA ,  Dae Heung CHOI ,  Ye Seul HWANG ,  Dong Hyun KO

IPC分类号： B01J27/192 ,  C07C5/48 ,  B01J37/08 ,  B01J37/00 ,  B01J37/04

CPC分类号： B01J27/192 ,  B01J23/002 ,  B01J23/8876 ,  B01J35/002 ,  B01J37/0009 ,  B01J37/0036 ,  B01J37/031 ,  B01J37/04 ,  B01J37/08 ,  B01J37/088 ,  B01J2523/00 ,  C07C5/48 ,  C07C2523/04 ,  C07C2523/28 ,  C07C2523/31 ,  C07C2523/745 ,  C07C2523/75 ,  C07C2527/192 ,  C07C2529/83 ,  C07C11/167 ,  B01J2523/15 ,  B01J2523/31 ,  B01J2523/51 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845

摘要： Disclosed are a composite oxide catalyst for preparing butadiene and a method of preparing the same. More particularly, a composite oxide catalyst, for preparing butadiene, including a metal composite oxide and AlPO4, and a method of preparing the same are disclosed.According to the present disclosure, a composite oxide catalyst for preparing butadiene, which includes a specific binder material, prevents generation of ingredients with a high boiling point, has superior catalyst strength, catalytic activity and butadiene yield, and a method of preparing the same are provided.

公开(公告)号：US20170036972A1

公开(公告)日：2017-02-09

申请号：US15021611

申请日：2015-10-20

申请人： LG CHEM, LTD.

发明人： Sang Jin HAN ,  Jun Han KANG ,  Dong Hyun KO ,  Hyun Seok NAM ,  Joo Hyuck LEE ,  Jun Kyu HAN ,  Myung Ji SUH ,  Kyong Yong CHA ,  Dae Heung CHOI ,  Ye Seul HWANG

IPC分类号： C07C5/48

CPC分类号： C07C5/48 ,  B01J3/00 ,  C07C5/3332 ,  C07C5/42 ,  C07C7/005 ,  C07C7/05 ,  C07C11/167

摘要： Disclosed are a method of preparing conjugated diene and a device therefor. More particularly, disclosed a method of preparing conjugated diene, wherein generated gas including butadiene is cooled and then water discharged at a lower part is not directly treated as waste water and subjected to byproduct removal and steam-extraction to utilize converted steam, and an installation issue of an existing biological waste water disposal equipment due to an excessive amount of byproducts can be resolved, and a device therefor are disclosed.

摘要翻译： 公开了一种制备共轭二烯及其装置的方法。 更具体地，公开了一种制备共轭二烯的方法，其中包括丁二烯在内的产生的气体被冷却，然后在下部排出的水不直接作为废水处理，并进行副产物除去和蒸汽萃取以利用转化的蒸汽，以及安装 可以解决由于过量的副产物而产生的现有生物废水处理设备的问题，并且公开了一种其设备。

公开(公告)号：US20210163378A1

公开(公告)日：2021-06-03

申请号：US16771141

申请日：2019-02-01

申请人： LG CHEM, LTD.

发明人： Hyunseok NAM ,  Jun Han KANG ,  Kyong Yong CHA ,  Jaewon JEONG ,  Dong Hyun KO ,  Jun Kyu HAN ,  Sang Jin HAN ,  Kyung Moo LEE ,  Joohyuck LEE ,  Daeheung CHOI ,  Myungji SUH ,  Ye Seul HWANG ,  Sunhwan HWANG ,  Seongmin KIM

IPC分类号： C07C5/48 ,  C07C7/04 ,  B01D5/00

摘要： The present specification provides a method for preparing 1,3-butadiene, the method comprising: (A) obtaining a first product comprising a light component, 1,3-butadiene, and a heavy component from a reactant comprising butene; (B) separating the heavy component from a second product comprising the 1,3-butadiene and the light component by condensing the heavy component after heat exchanging the first product; and (C) separating concentrated heavy component by reboiling the condensed heavy component.

公开(公告)号：US20190329226A1

公开(公告)日：2019-10-31

申请号：US16301403

申请日：2018-04-12

申请人： LG CHEM, LTD.

发明人： Myung Ji SUH ,  Dong Hyun KO ,  Kyong Yong CHA ,  Dae Heung CHOI ,  Ye Seul HWANG ,  Jun Kyu HAN ,  Sun Hwan HWANG

IPC分类号： B01J23/80 ,  B01J35/02 ,  B01J35/10 ,  B01J35/00 ,  B01J35/08 ,  B01J37/02 ,  B01J37/03 ,  B01J37/00 ,  B01J37/08 ,  B01J21/04 ,  C07C5/48 ,  C07C11/167

摘要： Provided is a catalyst for oxidative dehydrogenation, a method of preparing the catalyst, and a method of performing oxidative dehydrogenation using the catalyst. The catalyst for oxidative dehydrogenation has improved durability and fillability by including a porous support coated with a metal oxide (AB2O4) according to Equation 1 of the present invention, wherein the metal oxide exhibits activity during oxidative dehydrogenation. Therefore, when the catalyst is used in oxidative dehydrogenation of butene, the conversion rate of butene and the selectivity and yield of butadiene may be greatly improved.

公开(公告)号：US20190144362A1

公开(公告)日：2019-05-16

申请号：US16098077

申请日：2017-09-21

申请人： LG CHEM, LTD.

发明人： Myung Ji SUH ,  Dong Hyun KO ,  Jun Han KANG ,  Kyong Yong CHA ,  Ye Seul HWANG ,  Jun Kyu HAN ,  Sang Jin HAN

IPC分类号： C07C5/48 ,  B01J23/80 ,  B01J23/00 ,  B01J37/04 ,  B01J37/03 ,  B01J37/06 ,  B01J37/02 ,  B01J37/08

摘要： A method of preparing butadiene that includes supplying butene, oxygen, nitrogen, and steam into a reactor filled with a metal oxide catalyst, and performing an oxidative dehydrogenation reaction at a temperature of 300 to 450° C. as a reaction step; after the reaction step, maintaining supplying the butene, oxygen, nitrogen, and steam within a range within which the flow rate change of the butene, oxygen, nitrogen, and steam is less than ±40%, or stopping supplying the butene, and cooling the reactor to a temperature range of 200° C. or lower and higher than 70° C. as a first cooling step; and after the first cooling step, stopping supplying the butene, oxygen, nitrogen, and steam or stopping at least supplying the butene, and cooling the reactor to a temperature of 70° C. or lower as a second cooling step.

公开(公告)号：US20180290126A1

公开(公告)日：2018-10-11

申请号：US15765445

申请日：2017-05-18

申请人： LG CHEM, LTD.

发明人： Seongmin KIM ,  Dong Hyun KO ,  Kyong Yong CHA ,  Dae Heung CHOI ,  Myung Ji SUH ,  Jun Kyu HAN ,  Sun Hwan HWANG ,  Jun Han KANG ,  Joo Hyuck LEE ,  Hyun Seok NAM ,  Ye Seul HWANG ,  Sang Jin HAN

IPC分类号： B01J23/00 ,  B01J23/72 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J23/78 ,  B01J23/825 ,  B01J23/83 ,  B01J23/847 ,  B01J23/86 ,  B01J23/889 ,  B01J21/04 ,  B01J21/06 ,  B01J21/08 ,  B01J21/16 ,  B01J27/224 ,  B01J27/24 ,  B01J37/02 ,  B01J35/02 ,  B01J37/08 ,  C07C5/48 ,  C07C11/167

摘要： Disclosed are a catalyst for oxidative dehydrogenation and a method of preparing the same. More particularly, a catalyst for oxidative dehydrogenation of butene having a high butene conversion rate and superior side reaction inhibition effect and thus having high reactivity and high selectivity for a product by preparing metal oxide nanoparticles and then fixing the prepared metal oxide nanoparticles to a support, and a method of preparing the same are provided.