公开(公告)号：US20210155489A1

公开(公告)日：2021-05-27

申请号：US17058208

申请日：2019-05-02

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Na Young KANG ,  Yong Ki PARK ,  Chang Hwan KIM ,  Yu Jin LEE

IPC: C01B39/38 ,  C01B33/26 ,  B01J29/40 ,  C07C2/86

Abstract: The present invention relates to a method for preparing ZSM-5 zeolite. The present invention can provide a method for preparing ZSM-5 zeolite comprising the steps of: preparing a first solution in a solution state by heating a mixture comprising a silica source, an alumina source, a neutralizing agent and a crystalline ZSM-5 nucleus; preparing a reaction mother liquid by mixing a second solution comprising salts into the first solution; and continuously crystallizing by continuously supplying the reaction mother liquid to a hydrothermal synthesis reactor, wherein formula [1] below is satisfied. 0.20≤Wa/Wb≤0.40  Formula [1]

公开(公告)号：US20150139898A1

公开(公告)日：2015-05-21

申请号：US14603759

申请日：2015-01-23

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Na Young KANG ,  Yong ki PARK ,  Won Choon CHOI ,  Hwi Min SEO ,  Chul Wee LEE

IPC: C01B39/38

CPC classification number: C01B39/38 ,  C01B39/02 ,  C01B39/26 ,  C01P2002/72 ,  C01P2004/03

Abstract: Provided are a method of manufacturing a high silica zeolite using a recovered silica filtrate, and a high silica zeolite manufactured according to the method. To this end, the present invention provides the method of manufacturing the high silica zeolite using the recovered silica filtrate, including manufacturing a solated agglomerated silica from the silica filtrate including a metal salt (step 1); filtering and washing the solated agglomerated silica of step 1 to manufacture a silica cake from which the metal salt is removed (step 2); peptizing the silica cake to manufacture a silica sol (step 3); and manufacturing the high silica zeolite using the silica sol manufactured in step 3 as a silica source (step 4). Further, the present invention provides a high silica zeolite manufactured from a recovered silica filtrate through the manufacturing method and having a Si/Al mole ratio of 5 or more. According to the present invention, it is possible to provide a process of manufacturing a high silica zeolite, in which economic feasibility, a manufacturing cost, and a manufacturing time of process steps are reduced, by reusing a recovered silica filtrate to manufacture the zeolite.

Abstract translation: 提供了使用回收的二氧化硅滤液和根据​​该方法制造的高二氧化硅沸石制造高二氧化硅沸石的方法。 为此，本发明提供使用回收的二氧化硅滤液制造高二氧化硅沸石的方法，包括从包含金属盐的二氧化硅滤液制备溶胶凝聚二氧化硅（步骤1）; 过滤并洗涤步骤1的固化的附聚二氧化硅，以制造除去金属盐的二氧化硅饼（步骤2）; 将硅胶胶化以制造硅溶胶（步骤3）; 并使用步骤3中制造的硅溶胶作为二氧化硅源制造高硅石沸石（步骤4）。 此外，本发明提供了通过制造方法由回收的二氧化硅滤液制备的高硅石沸石，Si / Al摩尔比为5以上。 根据本发明，通过重新利用回收的二氧化硅滤液来制造沸石，可以提供制造经济可行性，制造成本和加工步骤的制造时间的高二氧化硅沸石的制造方法。

公开(公告)号：US20210162372A1

公开(公告)日：2021-06-03

申请号：US17053174

申请日：2019-05-02

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Na Young KANG ,  Yong Ki PARK ,  Yu Jin LEE

IPC: B01J21/16 ,  B01J35/10 ,  B01J23/50 ,  B01J27/16 ,  B01J29/06 ,  C10G11/18 ,  C10G11/02

Abstract: The present invention relates to a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, and can provide a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, the catalyst comprising a porous zeolite, a clay, an inorganic oxide binder, and Ag2O and P2O5 which are supported in the pores and/or on the surface of the porous zeolite.

公开(公告)号：US20160016108A1

公开(公告)日：2016-01-21

申请号：US14773968

申请日：2014-03-12

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Yong Ki PARK ,  Won Choon CHOI ,  Na Young KANG ,  Hwi Min SEO

IPC: B01D53/04

CPC classification number: B01D53/0462 ,  B01D53/08 ,  B01D53/12 ,  B01D53/62 ,  B01D2251/30 ,  B01D2251/40 ,  B01D2253/102 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2253/204 ,  B01D2257/504 ,  B01D2258/025 ,  B01D2258/0283 ,  B01D2259/40098 ,  Y02A50/2342 ,  Y02C10/04 ,  Y02C10/06 ,  Y02C10/08

Abstract: The present invention relates to a carbon dioxide capture apparatus having a temperature swing adsorption mode for selective separation of carbon dioxide from flue gases. The carbon dioxide capture apparatus comprises: a carbon dioxide sorption column including a carbon dioxide adsorption unit in which adsorption of carbon dioxide from flue gases occurs; a carbon dioxide desorption column connected to the carbon dioxide sorption column and including a carbon dioxide desorption unit in which desorption of the adsorbed carbon dioxide occurs; a carbon dioxide absorbent repeatedly adsorbing and desorbing carbon dioxide while circulating through the carbon dioxide sorption column and the carbon dioxide desorption column; and a heat exchange unit in which heat exchange occurs between the absorbent after carbon dioxide adsorption and the absorbent after carbon dioxide desorption.

Abstract translation: 本发明涉及具有用于从烟道气中选择性分离二氧化碳的变温吸附模式的二氧化碳捕集装置。 二氧化碳捕获装置包括：二氧化碳吸附塔，其包括二氧化碳吸附单元，其中发生来自烟道气的二氧化碳的吸附; 连接到二氧化碳吸附塔的二氧化碳解吸塔，并且包括二氧化碳解吸单元，其中发生吸附的二氧化碳的解吸; 二氧化碳吸收剂在循环通过二氧化碳吸附塔和二氧化碳解吸塔时反复吸附和解吸二氧化碳; 以及在二氧化碳吸附后的吸收剂与二氧化碳解吸后的吸收剂之间发生热交换的热交换单元。

公开(公告)号：US20230046197A1

公开(公告)日：2023-02-16

申请号：US17817289

申请日：2022-08-03

Applicant: POSTECH Research and Business Development Foundation ,  Korea Research Institute of Chemical Technology

Inventor： Suk Bong HONG ,  Hwajun LEE ,  Jiho SHIN ,  Na Young KANG ,  Yong-Ki PARK

IPC: C10G11/05

Abstract: Provided is a method of converting a hydrocarbon using a catalyst/catalyst support including a PST-32 or PST-2 zeolite, which has an effect of increasing the selectivity/yield of a light olefin product and reducing a side reaction to sustain catalytic activity, in various hydrocarbon conversion reactions, in particular, catalytic cracking of diesel.

公开(公告)号：US20210189258A1

公开(公告)日：2021-06-24

申请号：US17054345

申请日：2019-05-10

Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALS ,  CENTER KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Sungkwon JO ,  Seongil CHOI ,  Donghyun CHO ,  Dae-hoon LEE ,  Kwan-Tae KIM ,  Younghoon SONG ,  Yong-Ki PARK ,  Na Young KANG

IPC: C10G11/18 ,  B01J38/02 ,  B01J8/00 ,  B01J8/24 ,  B01J8/20 ,  B01J38/30 ,  F23C10/20 ,  F23C10/22

Abstract: A catalyst regenerator according to an embodiment of the present invention, as a catalyst regenerator that regenerates a coked catalyst separated from a product produced in an endothermic catalytic reaction of a fluidized bed reactor, includes: a reaction chamber that includes a regeneration space, receives the coked catalyst from a standpipe connected to the regeneration space, and discharges a regenerated catalyst to an outlet; a fuel supplier that is connected to the reaction chamber to inject a fuel for combustion into the regeneration space; and a fuel supplier that is connected to the reaction chamber to inject an air for combustion into the regeneration space, wherein the fuel injected from the fuel supplier is a reformed fuel containing hydrogen and carbon monoxide.

公开(公告)号：US20250128227A1

公开(公告)日：2025-04-24

申请号：US18690514

申请日：2022-09-06

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Yong Ki PARK ,  Do Kyoung KIM ,  Na Young KANG ,  Jaedeuk PARK ,  Young Kyu HWANG ,  Ki Woong KIM ,  In Hyoup SONG

IPC: B01J8/18 ,  B01J8/26 ,  C10G11/18

Abstract: Provided is a process of manufacturing light olefins, which is a fluidized bed catalytic naphtha cracking process having improved economic feasibility and decreased greenhouse gas emissions. The process of manufacturing light olefins according to the present invention has a decreased hot spot occurring when supplying an additional fuel oil and decreased tendency of catalyst deactivation by water, thereby improving economic feasibility of the process and reducing greenhouse gas emissions to allow construction of an environmentally friendly process.