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1.发明申请公开(公告)号：US20220401930A1
公开(公告)日：2022-12-22
申请号：US17776432
申请日：2020-11-24
Inventor： Deuk Soo PARK , Ung Gi HONG , Hae Bin SHIN , Daesung PARK , Hawon PARK , Changyeol SONG , Won Choon CHOI , Yong Ki PARK
Abstract: A dehydrogenation catalyst for producing olefins from alkane gases, in which cobalt and zinc are supported on alumina. A method for preparing the dehydrogenation catalyst for producing olefins from alkane gases, includes: preparing a mixed solution by mixing cobalt and zinc precursors with water; preparing a supported catalyst by impregnating alumina with the mixed solution; drying the supported catalyst; and calcining the dried supported catalyst at 500° C. to 900° C.
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Patent Agency Ranking
2.发明公开公开(公告)号：US20240300871A1
公开(公告)日：2024-09-12
申请号：US18269165
申请日：2021-11-16
Inventor： Daesung PARK , Hawon PARK , Changyeol SONG , Eun Sang KIM , Yong Ki PARK , Won Choon CHOI , Ung Gi HONG , Miyoung LEE , Hae Bin SHIN , Sanghyeon PARK , Deuk Soo PARK
CPC classification number: C07C5/325 , C07C7/005 , C07C2521/02 , C07C2521/04 , C07C2523/42 , C07C2523/89
Abstract: A method for producing olefins using a circulating fluidized bed process, includes: supplying a propane-containing hydrocarbon mixture and a dehydrogenation catalyst into a riser, which is a fast fluidization regime, to cause a dehydrogenation reaction; separating, from a propylene mixture, the catalyst which is a product of the dehydrogenation reaction; removing unseparated hydrocarbon compounds remaining in the catalyst separated in the separating; continuously regenerating the catalyst by mixing the catalyst stripped in the removing with a gas containing oxygen; circulating the catalyst regenerated in the continuously regenerating to the supplying and resupplying it into the riser; and preparing propylene by cooling, compressing, and separating the propylene mixture which is a reaction product separated in the separating.
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3.发明申请公开(公告)号：US20230127784A1
公开(公告)日：2023-04-27
申请号：US17909241
申请日：2020-12-24
Inventor： Daesung PARK , Hawon PARK , Changyeol SONG , Yong Ki PARK , Won Choon CHOI , Ung Gi HONG , Hae Bin SHIN , Miyoung LEE , Deuk Soo PARK
Abstract: The present disclosure is to provide a catalyst for olefin production which is eco-friendly and has excellent conversion rates and selectivity and a preparation method thereof, and the catalyst for olefin production according to the present disclosure is one in which cobalt and zinc are supported with alumina. Particularly, the catalyst according to the present disclosure uses an amount of platinum that is about 400 times smaller than that of the conventional catalysts, and has high conversion rates and selectivity under conditions in which continuous reaction-regeneration process is possible without an additional hydrogen reduction process.
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4.发明公开公开(公告)号：US20230381749A1
公开(公告)日：2023-11-30
申请号：US18032990
申请日：2021-11-01
Inventor： Daesung PARK , Hawon PARK , Changyeol SONG , Yong Ki PARK , Won Choon CHOI , Ung Gi HONG , Deuk Soo PARK , Miyoung LEE , Hae Bin SHIN , Sanghyeon PARK
CPC classification number: B01J23/75 , B01J35/0006 , B01J35/02 , B01J21/04 , B01J23/42 , B01J37/0211 , B01J37/0209 , B01J6/001 , C07C5/3337
Abstract: There is provided a dehydrogenation catalyst for producing olefins from alkane gases, in which a metal active component is supported on an alumina carrier containing boron. There is provided a method for preparing a dehydrogenation catalyst for producing olefins from alkane gases. The method includes impregnating alumina in a boron-containing solution and calcining it to provide a boron-alumina carrier; providing a solution containing the metal active component; impregnating the boron-alumina solution in the solution containing the metal active component and drying it; and calcining the boron-alumina carrier on which the metal active component is supported at 700° C. to 900° C.
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5.发明公开公开(公告)号：US20240095548A1
公开(公告)日：2024-03-21
申请号：US18275709
申请日：2022-04-27
Applicant: SK GAS CO., LTD.
Inventor： Ung Gi HONG , Sung Joo YEO , Seung Hwan KONG , Min Ho KIM , Hae Bin SHIN , Hee Dong CHOI , Young Gook KYE
IPC: G06N5/022
CPC classification number: G06N5/022
Abstract: A system for predicting process changes by using key factors in a commercial chemical process, includes: a key factor extraction and individual tag importance backup unit that extracts yield key factors by calculating the importance of each tag, and backs up importance data for each tag; and a yield prediction model training and yield prediction performing unit that performs yield prediction model training by using the importance of each tag accumulated in the key factor extraction and individual tag importance backup unit, and performs yield prediction so as to output a yield prediction result, evaluates performance, and selects an optimal prediction model.
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公开(公告)号：US20240104464A1
公开(公告)日：2024-03-28
申请号：US18275676
申请日：2022-04-27
Applicant: SK GAS CO., LTD.
Inventor： Ung Gi HONG , Sung Joo YEO , Seung Hwan KONG , Min Ho KIM , Hae Bin SHIN , Hee Dong CHOI , Young Gook KYE
IPC: G06Q10/0631 , G06Q10/0639 , G06Q50/04
CPC classification number: G06Q10/06316 , G06Q10/06393 , G06Q50/04
Abstract: A system selecting a process key factor in a commercial chemical process, includes: a data extraction unit that extracts tag data in units of a set period; an outlier discrimination unit that discriminates and aggregates outliers by tag by using an outlier extraction reference master; an outlier processing unit that generates an input mart draft excluding the outliers; a derived variable generation unit that generates derived variables for each tag, and generates an advanced input mart having the derived variable added thereto; a yield calculation unit that backs up the result of calculation of a yield by realizing a target value via exclusion and correction of the outliers; and a key factor extraction unit that extracts a yield key factor by calculating importance of each tag, and backs up importance data for each tag.
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