公开(公告)号：US20230201804A1

公开(公告)日：2023-06-29

申请号：US18069038

申请日：2022-12-20

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Ji Song KANG ,  Jeong-Myeong HA ,  Jae Wook CHOI ,  Young Hyun YOON ,  Dong Jin SUH ,  Chunjae YOO ,  Kyeongsu KIM ,  Hyun Joo LEE

IPC: B01J23/46 ,  B01J35/00 ,  B01J37/02 ,  B01J37/03 ,  C01G55/00 ,  C07C27/04

CPC classification number: B01J23/462 ,  B01J35/0013 ,  B01J37/0236 ,  B01J37/036 ,  C01G55/002 ,  C07C27/04

Abstract: Disclosed herein is a metal oxide aerogel catalyst for hydrogenation and/or hydrodeoxygenation, a method for preparing the same, and a method for hydrogenation and/or hydrodeoxygenation using the same. The catalyst consists of a metal and an oxide thereof, and the catalyst is in a form of an aerogel produced by supercritical drying. The catalyst has an effect of providing high hydrogenation and/or hydrodeoxygenation efficiency of an oxygen-containing compound.

公开(公告)号：US20210292917A1

公开(公告)日：2021-09-23

申请号：US17017845

申请日：2020-09-11

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Ung LEE ,  Byoung Koun MIN ,  Hyun Joo LEE ,  Yun Jeong HWANG ,  Hyung Suk OH ,  Dong Ki LEE ,  Da Hye WON ,  Jai Hyun KOH ,  Dong Gu HAN

IPC: C25B1/00 ,  C25B1/10 ,  C25B9/08 ,  C25B9/18 ,  C25B15/08 ,  B01D53/26 ,  H02S10/40 ,  H02S30/10 ,  H02S40/30

Abstract: Disclosed is a hydrogen production and storage system using solar energy which converts solar energy into electric energy through a solar panel, operates a water electrolysis reactor using the electric energy to produce hydrogen, and stores the hydrogen at a high pressure in a hydrogen storage tank through a water tank, a pressure control valve, etc.

公开(公告)号：US20200155997A1

公开(公告)日：2020-05-21

申请号：US16454566

申请日：2019-06-27

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyun Joo LEE ,  Ung LEE ,  Hong Gon KIM ,  Shinhye CHO ,  He Won LEE

IPC: B01D53/14 ,  B01D53/50 ,  B01D53/78 ,  C07D487/08 ,  C07D241/04 ,  C07C215/40

Abstract: The present disclosure relates to a hydroxyl group-containing amine-based sulfur dioxide and sulfurous absorbent, and a method for preparing the same. The absorbent uses an ionic liquid in the form of a salt including a diamine compound substituted with a hydroxyl group, and can be used as an absorbent capable of removing not only sulfur dioxide (SO2) but also sulfurous acid (H2SO3) formed by combination of sulfur dioxide with water.

公开(公告)号：US20220203334A1

公开(公告)日：2022-06-30

申请号：US17553795

申请日：2021-12-17

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jeong-Myeong HA ,  Lien Thi DO ,  Jae Wook CHOI ,  Dong Jin SUH ,  Young Hyun YOON ,  Gi Seok YANG ,  Hyun Joo LEE

IPC: B01J23/30 ,  B01J23/00 ,  B01J37/04 ,  B01J37/08 ,  B01J37/00 ,  B01J23/34 ,  B01J21/06 ,  C07C2/84

Abstract: Disclosed are a catalyst for oxidative coupling reaction of methane, a method for preparing the same, and a method for oxidative coupling reaction of methane using the same. The catalyst includes a mixed metal oxide, which is a mixed oxide of metals including sodium (Na), tungsten (W), manganese (Mn), barium (Ba) and titanium (Ti). It is possible to obtain paraffins, such as ethane and propane, and olefins, such as ethylene and propylene, with high efficiency through the method for oxidative coupling reaction of methane using the catalyst.

公开(公告)号：US20190134616A1

公开(公告)日：2019-05-09

申请号：US16043161

申请日：2018-07-24

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jungho JAE ,  Haryo Pandu Winoto ,  Jeong-Myeong HA ,  Hyun Joo LEE ,  Dong Jin SUH ,  Byoung Sung AHN

IPC: B01J29/70 ,  B01J27/19 ,  B01J21/06 ,  B01J37/02 ,  C07D307/33

CPC classification number: B01J29/7007 ,  B01J21/06 ,  B01J27/19 ,  B01J37/0201 ,  B01J2229/18 ,  C07D307/33

Abstract: Disclosed are a heteropolyacid catalyst for producing gamma-valerolactone, which is supported on M-Beta zeolite (M=Sn, Ti, Zr or Hf), and a method for preparing the same and a method for manufacturing gamma-valerolactone using the catalyst. The catalyst has an effect of producing gamma-valerolactone from biomass-derived furfural at a high yield through a one-pot process.

公开(公告)号：US20150045589A1

公开(公告)日：2015-02-12

申请号：US14059007

申请日：2013-10-21

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Chang Soo KIM ,  Kyesang YOO ,  Byoung Sung AHN ,  Hyun Joo LEE ,  Jeong Myeong HA ,  Hong Gon KIM

IPC: B01J23/44 ,  C07C17/23

CPC classification number: B01J23/44 ,  B01J21/18 ,  B01J31/0284 ,  B01J35/0013 ,  B01J35/0053 ,  B01J35/006 ,  B01J37/035 ,  B82Y30/00 ,  C07C17/354 ,  C07C19/08

Abstract: Provided is a palladium on carbon (Pd/C) catalyst obtained by using an ionic liquid, a method for preparing the same, and a method for hydrogenation of hydrofluorocarbon using the same. More particularly, palladium particles are supported on carbon particles by using an ionic liquid, and the resultant Pd/C catalyst is used for hydrogenation of hydrofluorocarbon. The catalyst includes palladium particles having a smaller particle size and a more uniform shape as compared to the existing Pd/C catalysts, and thus shows high catalytic activity.

Abstract translation: 提供通过使用离子液体获得的钯/碳（Pd / C）催化剂，其制备方法和使用其的氢氟烃的氢化方法。 更具体地，钯颗粒通过使用离子液体负载在碳颗粒上，所得的Pd / C催化剂用于氢氟烃的氢化。 该催化剂包括与现有Pd / C催化剂相比具有较小粒度和更均匀形状的钯颗粒，因此显示出高催化活性。

公开(公告)号：US20140135512A1

公开(公告)日：2014-05-15

申请号：US13759692

申请日：2013-02-05

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyun Joo LEE ,  Sang Deuk LEE ,  Byoung Sung AHN ,  Chang Soo KIM ,  Ji Sik CHOI

IPC: C07D301/02

CPC classification number: C07D301/02

Abstract: Disclosed is a method for producing glycidol by decarboxylation of glycerol carbonate. In the method, an ionic liquid catalyst is added for the reaction. According to the method glycidol can be produced in high yield and selectivity. The method enables the production of glycidol in an easy, simple and environmentally friendly way.

Abstract translation: 公开了通过碳酸甘油脱羧制备缩水甘油的方法。 在该方法中，为反应添加离子液体催化剂。 根据方法，可以高产率和选择性生产缩水甘油。 该方法能够以简单，简单和环保的方式生产缩水甘油。

公开(公告)号：US20180179130A1

公开(公告)日：2018-06-28

申请号：US15653970

申请日：2017-07-19

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyun Joo LEE ,  Hyunah CHOO ,  Seungmi YEO ,  Tran Huyen DANG ,  Jieon LEE ,  Soon Hyeok HONG ,  Dabon LEE ,  Sang Deuk LEE

IPC: C07C29/48 ,  B01J31/22 ,  B01J27/02 ,  C07C31/04

CPC classification number: C07C29/48 ,  B01J27/02 ,  B01J31/226 ,  B01J2531/828 ,  C07C29/12 ,  C07C31/04 ,  C07C303/24 ,  C07C305/06

Abstract: Disclosed is a novel catalyst for producing a methanol precursor. The use of the catalyst enables the production of a methanol precursor and methanol with high efficiency under low temperature and low pressure conditions. Also disclosed are a methanol precursor produced using the catalyst and methanol produced using the methanol precursor.

公开(公告)号：US20180118772A1

公开(公告)日：2018-05-03

申请号：US15399174

申请日：2017-01-05

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyun Joo LEE ,  Hyunah CHOO ,  Hyejeong LEE ,  Seungmi YEO ,  Moo Seong PARK ,  Soon Hyeok HONG ,  Jaewoon KIM

IPC: C07F15/00 ,  B01J31/18

CPC classification number: C07F15/0093 ,  B01J31/1805 ,  B01J31/1815 ,  B01J2231/40 ,  B01J2231/46 ,  B01J2531/828

Abstract: Disclosed is a novel catalyst having amine ligands for synthesizing methanol or its precursor. When the catalyst is allowed to react with an alkane in the presence of an acid, at least one C—H bond of the alkane is catalytically oxidized. Therefore, the catalyst is suitable for use in forming an alkyl ester from an alkane.

公开(公告)号：US20160244419A1

公开(公告)日：2016-08-25

申请号：US15015890

申请日：2016-02-04

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyun Joo LEE ,  Byoung Sung AHN ,  Sang Deuk LEE ,  Ji Sik CHOI ,  Hyejeong LEE ,  Hye Jin LEE

IPC: C07D301/02 ,  C07D317/20

CPC classification number: C07D301/02 ,  C07D317/20

Abstract: A method for preparing glycidol using glycerol includes mixing glycerol with urea in the presence of at least one zinc-based catalyst selected from the group consisting of Zn(NO3)2, ZnCl2, ZnO and Zn(OAc)2 under a pressure of 0.5-10 kPa at a temperature of 100-170° C. to obtain glycerol carbonate; filtering the glycerol carbonate mixed with the zinc-based catalyst through an adsorbent including a polymer resin coordinated with amine groups to separate the zinc-based catalyst and glycerol carbonate from each other; and carrying out reaction of the glycerol carbonate separated from the zinc-based catalyst in the presence of an anion alkali metal salt catalyst that is Na, K, Rb, Cs or a mixture thereof containing at least one anion selected from the group consisting of Cl−, Br−, I−, NO3−, NO2− and acetate under a pressure of 0.13-6.67 kPa at a temperature of 140-250° C. to obtain glycidol.

Abstract translation: 使用甘油制备缩水甘油的方法包括在至少一种选自Zn（NO 3）2，ZnCl 2，ZnO和Zn（OAc）2）的锌基催化剂的存在下，在0.5- 在100-170℃的温度下10kPa，得到碳酸甘油酯; 通过包含与胺基配位的聚合物树脂的吸附剂过滤与锌基催化剂混合的甘油碳酸酯，以将锌基催化剂和甘油碳酸酯彼此分离; 在Na，K，Rb，Cs的阴离子碱金属盐催化剂或其含有至少一种选自Cl的阴离子的混合物的存在下进行从锌基催化剂分离的碳酸甘油酯的反应 - ，Br-，I-，NO 3 - ，NO 2 - 和乙酸盐，在温度为140-250℃的温度下，在0.13-6.67kPa的压力下进行，得到缩水甘油。