公开(公告)号：US20240326007A1

公开(公告)日：2024-10-03

申请号：US18194897

申请日：2023-04-03

Applicant: Chevron Phillips Chemical Company LP

Inventor： Corey W. Knight ,  Kenneth A. Dooley ,  Ralph J. Price ,  Richard A. Hernandez ,  Benjamin M. Shaw ,  Joe R. Trevino ,  Trevor Hilderman

IPC: B01J19/18 ,  B01J3/04 ,  B01J19/00

CPC classification number: B01J19/18 ,  B01J3/04 ,  B01J19/006 ,  B01J19/0066 ,  B01J2219/00779

Abstract: Disclosed are a process and autoclave reactor configured to create, in a polymerization zone of the autoclave reactor, a first mixing current, a second mixing current, and an interface located between the first mixing current and the second mixing current, wherein the interface is offset from a reaction component inlet of the autoclave reactor that introduces a reaction component stream into the polymerization zone.

公开(公告)号：US20240270696A1

公开(公告)日：2024-08-15

申请号：US18625925

申请日：2024-04-03

Applicant: Fudan University

Inventor： Fener CHEN ,  Minjie LIU ,  Li WAN ,  Yajiao ZHANG ,  Dang CHENG

IPC: C07D233/94 ,  B01J19/00

CPC classification number: C07D233/94 ,  B01J19/006 ,  B01J19/0066 ,  B01J19/0093 ,  B01J2219/00033 ,  B01J2219/00768 ,  B01J2219/00783 ,  B01J2219/00864 ,  B01J2219/00867 ,  B01J2219/00889

Abstract: A full continuous synthesis method of metronidazole is provided. An aqueous glyoxal solution, an aqueous acetaldehyde solution and aqueous ammonia are mixed and reacted to produce a 2-methylimidazole-containing reaction mixture, which is mixed with a nitric acid solution and then reacted in the presence of concentrated sulfuric acid to obtain a 2-methyl-5-nitroimidazole-containing reaction mixture. The 2-methyl-5-nitroimidazole-containing reaction mixture is divided by a splitter, such that one part is used to replace concentrated sulfuric acid, and the other part is mixed with formic acid, and undergoes a ring-opening reaction with ethylene oxide to obtain a metronidazole solution. The metronidazole solution is adjusted to pH 2-6 and filtered to obtain a filtrate, which is adjusted to pH 8-14 and filtered to obtain a crude product. The crude product is subjected to decoloring, crystallization, filtration and drying to obtain pure metronidazole with a purity greater than 99.9%.

公开(公告)号：US12030028B2

公开(公告)日：2024-07-09

申请号：US17564658

申请日：2021-12-29

Applicant: Scientific Design Company, Inc.

Inventor： Mohammad Ganjvar ,  Jiacheng Ni

IPC: B01J19/00 ,  F28D7/10

CPC classification number: B01J19/0013 ,  B01J19/006 ,  F28D7/10 ,  B01J2219/00081 ,  B01J2219/00763

Abstract: A baffle (i.e., tube support) for use in a shell-and-tube heat exchange reactor, such as, for example, an ethylene oxide (EO) reactor, is provided that accommodates reduced tube pitch, and thus more catalyst packed tubes can be inside the reactor. The baffle, which can be referred to herein as a corrugated grid support, includes a plurality of corrugated stainless steel strips which sit into each other and form a grid pattern having tube openings. Each tube opening is configured to permit a catalyst packed tube to be inserted therein, while allowing a sufficient open area along the shell side of the tube to permit coolant to flow through the reactor.

公开(公告)号：US20240189766A1

公开(公告)日：2024-06-13

申请号：US18239105

申请日：2023-08-28

Applicant: Intelligent Abatement, LLC

Inventor： Roger Glenn Miller ,  Larry Kent Barnthouse ,  Robert George Richardson

IPC: B01D53/56 ,  B01D53/50 ,  B01D53/60 ,  B01D53/76 ,  B01F23/213 ,  B01F25/313 ,  B01F25/431 ,  B01J19/00 ,  B01J19/18 ,  B01J19/24

CPC classification number: B01D53/56 ,  B01D53/50 ,  B01D53/60 ,  B01D53/76 ,  B01F23/2132 ,  B01F25/3131 ,  B01F25/31332 ,  B01F25/4316 ,  B01J19/006 ,  B01J19/1806 ,  B01J19/2405 ,  B01D53/346 ,  B01D2251/108 ,  B01D2258/06 ,  B01D2259/4508 ,  B01F25/4319 ,  B01F25/431974 ,  Y02A50/20

Abstract: Methods related generally to the removal of atmospheric pollutants from the gas phase, are provided. The methods involve contacting a first stream comprising NO and/or NO2 with a second stream comprising (ClO2)0 to provide a third stream comprising NO and NO2 at a molar ratio of about 1:1; and contacting the third stream with a fourth stream comprising an aqueous metal hydroxide (MOH) solution to convert NO and NO2 to MNO2.

公开(公告)号：US20240066485A1

公开(公告)日：2024-02-29

申请号：US18259631

申请日：2021-12-23

Applicant: DESMET BALLESTRA S.P.A.

Inventor： Fabrizio NAVA ,  Ilio SEBASTIANI ,  Icilio ADAMI ,  Antonino MILICIA ,  Rocco Alessandro DI BENEDETTO ,  Federico Piero GHIONI ,  Loris PELI

IPC: B01J4/00 ,  B01J4/02 ,  B01J10/02 ,  B01J19/00 ,  B01J19/24 ,  C01B17/80

CPC classification number: B01J4/002 ,  B01J4/02 ,  B01J10/02 ,  B01J19/0013 ,  B01J19/006 ,  B01J19/248 ,  C01B17/80 ,  B01J2204/002 ,  B01J2219/00763

Abstract: A continuous falling film reactor includes a reactor body including chambers for a reaction between first and second reagents. The chambers have a respective inner surface, for the sliding of the first reagent in the form of a thin film, or layer, a device for introducing the first reagent, in particular in the liquid phase, especially in the form of an organic raw material, into the respective chamber and a device for inputting the second reagent, in particular in the gaseous phase, especially in the form of sulphuric anhydride, in the respective one of the chambers. A head introduces the first reagent, in the respective chamber, which head—includes a corresponding nozzle so calibrated to cause a predetermined load loss of said first reagent.

公开(公告)号：US20230241574A1

公开(公告)日：2023-08-03

申请号：US17649795

申请日：2022-02-02

Applicant: RECARBON, INC.

Inventor： George Stephen Leonard, III ,  John Joseph Rehagen ,  Stefan Andrew McClelland

IPC: B01J19/24 ,  B01J19/00

CPC classification number: B01J19/2405 ,  B01J19/006 ,  B01J19/245 ,  B01J19/248 ,  B01J2219/00763 ,  B01J2219/1943

Abstract: A gas reactor may include a reactor chamber having a first end, a second end, and a lateral surface that extends between the first end and the second end. The gas reactor may include a torch inlet positioned at the first end of the reactor chamber, and the torch inlet may be configured for input flow of a fuel in a first flow direction. The gas reactor may include a reactant inlet positioned at the second end of the reactor chamber and configured to cause a reactant to flow into the reactor chamber in a second flow direction. The fuel or the reactant may move through the reactor chamber in a vortex flow pattern. The gas reactor may include an outlet port positioned at the second end of the reactor chamber in which the outlet port is configured for output flow of a product from the reactor chamber.

公开(公告)号：US20190249129A1

公开(公告)日：2019-08-15

申请号：US16393464

申请日：2019-04-24

Applicant: Daniel H. Yeh ,  Onur Y. Ozcan ,  Robert A. Bair

Inventor： Daniel H. Yeh ,  Onur Y. Ozcan ,  Robert A. Bair

IPC: C12M1/00 ,  B01D21/00 ,  B01J19/00 ,  B01D21/24 ,  C02F1/52

CPC classification number: C12M27/20 ,  B01D21/003 ,  B01D21/0042 ,  B01D21/0045 ,  B01D21/0066 ,  B01D21/245 ,  B01J19/006 ,  C02F1/5281 ,  C12M23/34 ,  C12M29/04 ,  C12M29/18 ,  C12M41/14

Abstract: In one embodiment, a concentrically baffled reactor includes an outer housing that defines an interior space, an inlet through which material can be delivered into the interior space, an outlet through which material can be removed from the interior space, and multiple concentric baffles within the interior space that define multiple concentric reactor zones through which the material can sequentially flow to the outlet.

公开(公告)号：US10016741B2

公开(公告)日：2018-07-10

申请号：US14819917

申请日：2015-08-06

Applicant: NOVA Chemicals (International) S.A.

Inventor： Grazyna Petela ,  Leslie Wilfred Benum ,  Edward Christopher Foy

IPC: B01J19/00 ,  F28F1/14 ,  B01J19/24 ,  B01J19/02 ,  C10G9/20 ,  F28F21/08 ,  F28F1/24 ,  C07C4/04 ,  F28D21/00

CPC classification number: B01J19/2415 ,  B01J19/00 ,  B01J19/0013 ,  B01J19/006 ,  B01J19/02 ,  B01J2219/00076 ,  B01J2219/00157 ,  B01J2219/0286 ,  B01J2219/24 ,  C07C4/04 ,  C10G9/20 ,  C10G9/203 ,  C10G2300/1044 ,  C10G2300/1081 ,  C10G2300/4043 ,  F28D2021/0022 ,  F28F1/14 ,  F28F1/24 ,  F28F21/083

Abstract: The present invention provides low profile, thick (“stuby”) longitudinal fins having a cross section which is a parallelogram, trapezoid or a triangle extending from 10% to 100% of a coil pass and comprising from 3 to 45 weight % of a coil in a radiant section of a furnace for thermally cracking one or more of paraffins and naphtha. The fins provide an additional surface through which heat may be transferred to the coil making the coil more efficient reducing greenhouse emissions.

公开(公告)号：US20180187103A1

公开(公告)日：2018-07-05

申请号：US15855233

申请日：2017-12-27

Applicant: Beijing Huashi United Energy Technology and Development Co., Ltd.

Inventor： Lin Li ,  Ke Lin ,  Guoliang Li ,  Erxuan He

IPC: C10G67/02 ,  B01J8/18 ,  B01J8/02

CPC classification number: C10G67/02 ,  B01J8/02 ,  B01J8/1836 ,  B01J8/22 ,  B01J8/226 ,  B01J8/228 ,  B01J8/34 ,  B01J19/006 ,  B01J19/246 ,  B01J2208/00017 ,  B01J2208/00371 ,  B01J2208/00902 ,  B01J2219/00006 ,  B01J2219/00768 ,  B01J2219/00774

Abstract: A method and device for lightening heavy oil by utilizing a suspension-bed hydrogenation process are provided. In the process, a part of a raw oil is mixed with a suspension-bed hydrocracking catalyst to form a first mixture, then the first mixture is subjected to first shear and second shear in sequence so as to realize high dispersion and mixing of the catalyst and the raw oil; through pretreatment of the raw oil, the device can prevent the raw oil from coking in the hydrogenation process; through the adoption of a suspension-bed reactor with a liquid phase self-circulation function or a cold-wall function; and light and heavy components are separated from the suspension-bed hydrogenated product in advance and only medium component is subjected to fixed-bed hydrogenation, thereby reducing the load of the fixed-bed hydrogenation, prolonging the service life of the fixed-bed catalyst, improving the yield and quality of gasoline and diesel, and being beneficial for energy conservation and emission reduction of the whole system.

公开(公告)号：US09956533B2

公开(公告)日：2018-05-01

申请号：US13639342

申请日：2011-04-06

Applicant: Robert Ashe ,  David Morris

Inventor： Robert Ashe ,  David Morris

IPC: B01F11/00 ,  B01F13/00 ,  B01F13/10 ,  B01J8/04 ,  B01J19/00 ,  B01J19/18 ,  B01J19/28

CPC classification number: B01F11/0077 ,  B01F13/005 ,  B01F13/0057 ,  B01F13/1013 ,  B01F13/1027 ,  B01J8/0403 ,  B01J19/006 ,  B01J19/0066 ,  B01J19/0093 ,  B01J19/1818 ,  B01J19/285 ,  B01J2208/00814 ,  B01J2208/028 ,  B01J2219/00063 ,  B01J2219/00094 ,  B01J2219/00135 ,  B01J2219/00189 ,  B01J2219/002 ,  B01J2219/00238

Abstract: A continuous mixer/reactor and a mixing process are provided in which materials flow in an orderly fashion along the length of a channel (9) and the materials are mixed in a direction transverse to the axis of the channel (9) by the provision of agitator elements (5, 7) within the channel (9) and shaking the channel (9) so that the agitator elements (5, 7) move within the channel (9) in the radial direction of the channel (9).