公开(公告)号：US20200290028A1

公开(公告)日：2020-09-17

申请号：US16084023

申请日：2017-03-07

Applicant: CHIYODA CORPORATION

Inventor： Chikako Hashimoto ,  Ryuichi Kanai ,  Zhixiong You ,  Tetsuro Matsumura ,  Yoichi Umehara

IPC: B01J31/06 ,  C08F126/06 ,  C08J9/14 ,  B01J23/46 ,  B01J31/28 ,  C07C51/16

Abstract: A vinylpyridine resin for a catalyst support; a method for producing thereof; and a catalyst for carbonylation of methanol are disclosed. The vinylpyridine resin has: content of nitrogen derived from a pyridine group of 3.00% by mass or more and 8.00% by mass or less; degree of crosslinking of 35% by mole or more and 70% by mole or less; molar ratio C/N of carbon atoms to nitrogen atoms of 12.00 or more and 36.00 or less; total pore volume of 0.20 cc/g or more and 0.45 cc/g or less; specific surface area of 70.0 m2/g or more and 280 m2/g or less; average pore diameter of 5.0 nm or more and 25.0 nm or less; and proportion of a volume of pores having a pore diameter of 10 nm or more to a volume of the whole pores of 4.0% or more and 90.0% or less.

公开(公告)号：US20240360577A1

公开(公告)日：2024-10-31

申请号：US18770479

申请日：2024-07-11

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  THE UNIVERSITY OF TOKYO ,  CHIYODA CORPORATION

Inventor： Takahiro YAMAMOTO ,  Yu MIMURA ,  Kiyoshi YAMAMOTO ,  Masakazu SUGIYAMA ,  Tsutomu MINEGISHI ,  Jun MATSUMOTO ,  Dai TAKEDA

IPC: C25B11/091 ,  C25B3/03 ,  C25B3/26 ,  C25B11/032 ,  C25D3/22 ,  C25D3/38 ,  C25D5/48 ,  C25D9/04

CPC classification number: C25B11/091 ,  C25B3/03 ,  C25B3/26 ,  C25B11/032 ,  C25D3/22 ,  C25D3/38 ,  C25D5/48 ,  C25D9/04

Abstract: The present disclosure provides a cathode electrode in which selectivity of hydrogen decreases and selectivity of a carbon dioxide reduction product increases in a catalytic reaction producing carbon monoxide, an olefinic hydrocarbon such as ethylene, and an alcohol such as ethanol by a reduction reaction of carbon dioxide. A cathode electrode that electrically reduces carbon dioxide, including: a first layer containing cuprous oxide, copper, and at least one additional metal element selected from the group consisting of silver, gold, zinc, cadmium, and tin; and a second layer formed on the first layer and containing a constituent element composed of at least one metal element selected from the group consisting of copper, silver, gold, zinc, cadmium, and tin.

公开(公告)号：US20240336543A1

公开(公告)日：2024-10-10

申请号：US18580296

申请日：2022-03-23

Applicant: CHIYODA CORPORATION

Inventor： Osamu Hirohata ,  Yuria Watanabe

IPC: C07C1/12 ,  C07C1/04 ,  C07C7/12 ,  C07C7/144

CPC classification number: C07C1/12 ,  C07C1/0485 ,  C07C7/12 ,  C07C7/144 ,  C07C2523/06 ,  C07C2523/26 ,  C07C2523/72 ,  C07C2529/40

Abstract: An object is to reduce an overall cost including the construction cost of a plant and its raw material and energy costs, and also reduce carbon dioxide emissions. An aromatic compound manufacturing method is characterized in that the method comprises: a step A of manufacturing an aromatic compound mixture from a raw material mixture gas containing carbon dioxide or carbon monoxide or both of these and hydrogen; a step B of manufacturing an aromatic compound mixture by a cracked petroleum-derived BTX manufacturing process, a reformate-derived BTX manufacturing process, and a synthetic BTX manufacturing process using naphtha as a raw material; a step C of combining the aromatic compound mixture manufactured in the step A and the aromatic compound mixture manufactured in the step B; and a step D of separating a desired aromatic compound from the aromatic compound mixture combined in the step C and purifying the desired aromatic compound.

公开(公告)号：US12034280B2

公开(公告)日：2024-07-09

申请号：US17775338

申请日：2019-11-13

Applicant: Chiyoda Corporation

Inventor： Satoshi Yasuda ,  Tomoyuki Konda

IPC: H02B1/56 ,  H02B5/00

CPC classification number: H02B1/56 ,  H02B5/00

Abstract: To safely start and operate electrical devices accommodated in a local electrical room located in a hazardous area, a plant module (2) includes: a group of plant equipment (6) that constitutes a plant; a local electrical room (5) located in a hazardous area (31) defined by presence of combustible gas and accommodating a power device configured to supply electric power to the group of plant equipment (6); a structure (21) supporting the group of plant equipment (6) and the local electrical room (5); and an outside air supply device (64) having explosion-proof properties and arranged at the local electrical room (5) to supply outside air to an inside thereof, wherein the plant module (2) is configured to supply the electric power to the outside air supply device (64) from a non-hazardous area.

公开(公告)号：US20240217893A1

公开(公告)日：2024-07-04

申请号：US18556902

申请日：2022-03-23

Applicant: CHIYODA CORPORATION

Inventor： Osamu Hirohata ,  Tadashi Ito ,  Taichiro Masagaki ,  Yuria Watanabe

IPC: C07C1/12 ,  C07C1/04 ,  C07C7/00

CPC classification number: C07C1/12 ,  C07C1/04 ,  C07C7/005

Abstract: The method is for producing para-xylene using, as a main raw material, a mixed gas of carbon dioxide or carbon monoxide or both thereof and hydrogen. The method including: a reaction step of bringing a raw material mixed gas including the mixed gas into contact with a reaction catalyst under high temperature and high pressure to cause a reaction, to thereby obtain a product gas mixture containing para-xylene; a separation step of cooling the product gas mixture obtained in the reaction step to condense a high boiling point component, to thereby separate the product gas mixture into a water phase containing a water-soluble component, an oil phase containing a xylene mixture, and a gas phase containing an unreacted gas; and a circulation step of mixing at least part of the gas phase having been separated in the separation step into the raw material mixed gas.

公开(公告)号：US20230405562A1

公开(公告)日：2023-12-21

申请号：US18460027

申请日：2023-09-01

Applicant: CHIYODA CORPORATION

Inventor： Shinya HODOSHIMA ,  Azusa MOTOMIYA

IPC: B01J29/46 ,  B01J37/10 ,  B01J37/30 ,  B01J37/28 ,  B01J37/04 ,  B01J37/08 ,  B01J37/00 ,  B01J35/00 ,  B01J35/10 ,  C07C4/06

CPC classification number: B01J29/46 ,  B01J37/10 ,  B01J37/30 ,  B01J37/28 ,  B01J37/04 ,  B01J37/082 ,  B01J37/0018 ,  B01J35/0026 ,  B01J35/1014 ,  B01J35/1019 ,  B01J35/1023 ,  C07C4/06 ,  C07C2529/68

Abstract: Provided is a composite catalyst that contains a zeolite which is a crystalline aluminosilicate that contains gallium and iron and has a skeletal structure of an 8- to 12-membered ring; or a zeolite which is a crystalline aluminosilicate that contains iron but no gallium and has a skeletal structure of an 8- to 12-membered ring; silicon dioxide as a binder; and diphosphorus pentoxide.

公开(公告)号：US20230338927A1

公开(公告)日：2023-10-26

申请号：US18024924

申请日：2021-04-16

Applicant: Chiyoda Corporation

Inventor： Yoshimi OKADA ,  Kenichi IMAGAWA ,  Shinichi NAKATA

IPC: B01J23/42 ,  B01J23/04 ,  B01J27/02 ,  B01J35/10 ,  B01J35/00 ,  B01J37/03 ,  B01J37/02 ,  B01J37/08 ,  B01J37/18 ,  C07C5/32

CPC classification number: B01J23/42 ,  B01J23/04 ,  B01J27/02 ,  B01J35/1019 ,  B01J35/1042 ,  B01J35/1061 ,  B01J35/0066 ,  B01J35/0013 ,  B01J35/006 ,  B01J37/031 ,  B01J37/0236 ,  B01J37/088 ,  B01J37/0205 ,  B01J37/024 ,  B01J37/18 ,  C07C5/325 ,  C07C2601/14 ,  C07C2602/28 ,  C07C2523/42

Abstract: To provide a platinum-loaded alumina catalyst with an improved catalyst life.
A platinum-loaded alumina catalyst includes an alumina carrier, and platinum loaded on the alumina carrier, wherein the alumina carrier includes a γ-alumina carrier having a surface area of 200 m2/g or more, a pore volume of 0.50 m2/g or more, an average pore diameter in a range of 60 to 150 Å, with pores having a pore diameter in a range of ±30 Å from the average pore diameter occupying 60% or more of a total pore volume, platinum particles are loaded on γ-alumina carrier in a range of 0.1 to 1.5% by weight calculated as elemental platinum (Pt), and 70% or more of the platinum particles have a size of 8 to 15 Å by direct observation using a transmission electron microscope.

公开(公告)号：US20230141512A1

公开(公告)日：2023-05-11

申请号：US17918591

申请日：2020-04-23

Applicant: Chiyoda Corporation

Inventor： Yoshimi OKADA ,  Kenichi IMAGAWA ,  Masashi SAITO ,  Kenta FUKUDOME ,  Haruto KOBAYASHI

IPC: B01J23/58 ,  B01J27/02 ,  B01J21/04 ,  B01J35/10 ,  B01J35/00 ,  B01J37/02 ,  B01J37/18 ,  C07C5/367

CPC classification number: B01J23/58 ,  B01J27/02 ,  B01J21/04 ,  B01J35/1019 ,  B01J35/1038 ,  B01J35/1061 ,  B01J35/008 ,  B01J37/0201 ,  B01J37/0236 ,  B01J37/18 ,  C07C5/367 ,  C07C2523/58 ,  C07C2521/04

Abstract: To provide a uniform-type platinum-loaded alumina catalyst demonstrating excellent performance in terms of catalyst life, a uniform-type platinum-loaded alumina catalyst includes: an alumina carrier; sulfur or a sulfur compound dispersed over an entire cross section of the alumina carrier; platinum dispersed and loaded over the entire cross section of the alumina carrier; one or more alkali metals selected from the group consisting of sodium, potassium, and calcium. Preferably, the content of platinum is 0.05 to 5.0 wt % calculated as elemental platinum. The content of the sulfur or the sulfur compound preferably is 0.15 to 5.0 wt % calculated as elemental sulfur. The content of the alkali metal preferably is 0.1 to 5.0 wt % calculated as elemental alkali metal.

公开(公告)号：US20230121872A1

公开(公告)日：2023-04-20

申请号：US17964978

申请日：2022-10-13

Applicant: Chiyoda Corporation

Inventor： Mutsumu NAGASE ,  Naoki TANIGAWA ,  Hideaki HOTTA

IPC: E21B49/02 ,  E02F3/32

Abstract: Provided is a sample collecting method for collecting a sample of soil at a predetermined depth by excavation on an extraterrestrial body or the earth. The method comprises forming a first borehole 70 that reaches a first depth from a land surface 69 by preliminary excavation of soil, the first depth being less than a predetermine sampling depth from the land surface 69; and forming a second borehole 73 that has a smaller opening than the first borehole and reaches a second depth from the land surface by further excavation of soil in the first borehole, the second depth being equal to or greater than the sampling depth, wherein, while forming the second borehole 73, part of soil present at the sampling depth in the second borehole 73 is transferred to the land surface 69 as a sample for analysis.

公开(公告)号：US11320811B2

公开(公告)日：2022-05-03

申请号：US16995031

申请日：2020-08-17

Applicant: CHIYODA CORPORATION

Inventor： Yoshihiro Yamaguchi ,  Takehito Yasui ,  Toshiya Momose

IPC: G05B19/418 ,  G06N20/00

Abstract: A plant operating condition setting support system for supporting the setting of a plant operating condition includes: a learning device that learns a regression model for calculating, from values of a plurality of state parameters indicating an operating condition of a plant and values of a plurality of manipulation parameters set to control an operation of the plant, a predicted value of an output indicating a result of operating the plant when the values of the plurality of manipulation parameters are set in the operating condition indicated by the values of the plurality of state parameters; and an operating condition setting support device that calculates the values of the plurality of manipulation parameters that should be set to control the operation of the plant, by using the regression model learned by the learning device.