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公开(公告)号:US20240301294A1
公开(公告)日:2024-09-12
申请号:US18662222
申请日:2024-05-13
Applicant: Duke Technologies, LLC
Inventor: Michael D. Ackerson , Michael Steven Byars
IPC: C10B53/02 , B01D5/00 , B01D33/27 , B01J8/00 , C01B3/36 , C10B49/16 , C10G2/00 , C10J3/66 , C10K1/02 , C10K1/08 , C10K1/18
CPC classification number: C10B53/02 , B01D5/0027 , B01D5/0048 , B01D5/0069 , B01D5/0075 , B01D33/27 , B01J8/003 , C01B3/36 , C10B49/16 , C10G2/33 , C10J3/66 , C10K1/026 , C10K1/08 , C10K1/18 , B01D5/0087 , C01B2203/025 , C01B2203/0272 , C01B2203/062 , C01B2203/0872 , C10G2300/1011 , C10G2400/08 , C10J2300/0906 , C10J2300/0926 , C10J2300/1637 , C10J2300/1861
Abstract: A system and method for the pyrolysis of a pyrolysis feedstock utilizes a pyrolysis reactor having a pyrolysis conduit and a solids return conduit segment. Each segment is configured with an outlet and an inlet to receive and discharge solid materials that are circulated through the reactor through the different segments. A solids conveyor is disposed within the pyrolysis conduit segment to facilitate conveying solid materials from the solids inlet upward through the pyrolysis conduit segment toward the solids discharge outlet. A pyrolysis feedstock is introduced into the pyrolysis reactor and at least a portion of the feedstock is converted to pyrolysis gases within the pyrolysis conduit segment, which are discharged through a gas outlet. An eductor condenser unit with an eductor assembly having a venturi-restricted flow path for receives a pressurized coolant fluid. A second flow path for receiving the discharged pyrolysis gases intersects the venturi-restricted flow path so that the received pyrolysis gases are combined with the coolant fluid and are discharged together to a mixing chamber that is used to condense pyrolysis gases.
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公开(公告)号:US20230081980A1
公开(公告)日:2023-03-16
申请号:US17760374
申请日:2021-02-10
Applicant: Eastman Chemical Company
Inventor: Daryl Bitting , David Eugene Slivensky , Xianchun Wu , Bruce Roger DeBruin , Damon Ray Billodeaux
Abstract: Methods and systems are provided for the conversion of waste plastics into various useful downstream recycle-content products. More particularly, the present system and method involves integrating a pyrolysis facility with a cracker facility by introducing at least a stream of r-pyrolysis gas into the cracker facility, in the cracker facility, the r-pyrolysis gas may be separated to form one or more recycle content products, and can enhance the operation of the facility.
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公开(公告)号:US20230066496A1
公开(公告)日:2023-03-02
申请号:US17760316
申请日:2021-02-10
Applicant: Eastman Chemical Company
Inventor: Bruce Roger DeBruin , Daryl Bitting , David Eugene Slivensky , Xianchun Wu , Travis Wynn Keever , Michael Paul Ekart , Jaclyn Erin Shuman , Timothy Glenn Schaefer , Justin William Murphy , David Milton Lange , Aaron Nathaniel Edens
Abstract: Chemical recycling facilities for processing mixed plastic waste are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy generation/energy production facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.
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公开(公告)号:US20220356408A1
公开(公告)日:2022-11-10
申请号:US17868994
申请日:2022-07-20
Applicant: TORRGAS TECHNOLOGY B.V.
Inventor: Robert Hugo BERENDS , Robin Pieter POST VAN DER BURG
IPC: C10J3/66 , C01B32/318 , C01B32/336 , C01B3/36 , C01B3/48 , C10J3/84 , C10K3/00
Abstract: The invention is directed to a process to prepare an activated carbon product and a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds from a solid torrefied biomass feed comprising the following steps. (i) subjecting the solid biomass feed to a pyrolysis reaction thereby obtaining a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds and a solid fraction comprising of char particles. (ii) separating the solids fraction from the gaseous fraction. and (iii) activating the char particles as obtained in step (ii) to obtain the activated carbon product.
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公开(公告)号:US11453830B2
公开(公告)日:2022-09-27
申请号:US17297751
申请日:2019-11-28
Applicant: African Rainbow Minerals Limited
Inventor: André Wegner , Petrus Hendrik Ferreira Bouwer
Abstract: This invention relates to a method and a reactor for gasifying a carbonaceous feedstock material. The method includes the steps of choke-feeding a carbonaceous feedstock material into a pyrolysis zone of the reactor to form a discharge bed; heating the discharge bed to initiate pyrolysis of the feedstock material to form a pyrolysis product; providing a lower lying upper oxidation zone; gasifying the pyrolysis product to form a bed of char; converting thermal energy into chemical energy in an upper reduction zone; providing a lower lying lower oxidation zone; collecting any metal slag and/or slag melts in the lower oxidation zone; and discharging hot reducing gases having a temperature of at least 1300° C. and a CO/CO2 ratio of ≥5, more preferably ≥15.
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公开(公告)号:US11427774B2
公开(公告)日:2022-08-30
申请号:US16644373
申请日:2018-09-14
Applicant: TORRGAS TECHNOLOGY B.V.
Inventor: Robert Hugo Berends , Robin Pieter Post Van Der Burg
IPC: C10J3/66 , C01B32/318 , C01B32/336 , C01B3/36 , C01B3/48 , C10J3/84 , C10K3/00
Abstract: The invention is directed to a process to prepare an activated carbon product and a syngas mixture comprising hydrogen and carbon monoxide from a solid torrefied biomass feed comprising the following steps, (i) subjecting the solid biomass feed to a pyrolysis reaction thereby obtaining a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds and a solid fraction comprising of char particles, (ii) separating the solids fraction from the gaseous fraction, (iii) subjecting the gaseous fraction obtained in step (ii) to a continuously operated partial oxidation to obtain a syngas mixture further comprising water and having an elevated temperature and (iv) activating the char particles as obtained in step (ii) to obtain the activated carbon product.
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公开(公告)号:US10982151B2
公开(公告)日:2021-04-20
申请号:US15740072
申请日:2017-09-29
Applicant: EXPANDER ENERGY INC. , AIR TECHNIC S.R.O.
Inventor: Steve Kresnyak , Pavel Zahorik
IPC: C10B1/04 , C10B3/00 , C10B49/04 , C10B53/02 , C10B33/08 , C10J3/26 , C10B49/02 , C10J3/72 , C10J3/36 , C10J3/84 , C10J3/66 , C10K3/02 , C10B57/16 , C10B57/06
Abstract: A continuous multi-stage vertically sequenced gasification process for conversion of solid carbonaceous fuel material into clean (low tar) syngas. The process involves forming a pyrolysis residue bed having a uniform depth and width to pass raw syngas there through for an endothermic reaction, while controlling the reduction zone pressure drop, resident time and syngas flow space velocity during the endothermic reaction to form substantially tar free syngas, to reduce carbon content in the pyrolysis residue, and to reduce the temperature of raw syngas as compared to the temperature of the partial oxidation zone.
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公开(公告)号:US20210040404A1
公开(公告)日:2021-02-11
申请号:US16644373
申请日:2018-09-14
Applicant: TORRGAS TECHNOLOGY B.V.
Inventor: Robert Hugo BERENDS , Robin Pieter POST VAN DER BURG
IPC: C10J3/66 , C10J3/84 , C10K3/00 , C01B3/36 , C01B3/48 , C01B32/318 , C01B32/336
Abstract: The invention is directed to a process to prepare an activated carbon product and a syngas mixture comprising hydrogen and carbon monoxide from a solid torrefied biomass feed comprising the following steps, (i) subjecting the solid biomass feed to a pyrolysis reaction thereby obtaining a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds and a solid fraction comprising of char particles, (ii) separating the solids fraction from the gaseous fraction, (iii) subjecting the gaseous fraction obtained in step (ii) to a continuously operated partial oxidation to obtain a syngas mixture further comprising water and having an elevated temperature and (iv) activating the char particles as obtained in step (ii) to obtain the activated carbon product.
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公开(公告)号:US20210032553A1
公开(公告)日:2021-02-04
申请号:US17076325
申请日:2020-10-21
Applicant: RV Lizenz AG
Inventor: Mikael Rudlinger
Abstract: A process for the generation of energy and/or hydrocarbons and other products utilizing carbonaceous materials. In a first process stage (P1) the carbonaceous materials are supplied and are pyrolysed, wherein pyrolysis coke (M21) and pyrolysis gas (M22) are formed. In a second process stage (P2), the pyrolysis coke (M21) from the first process stage (P1) is gasified, wherein synthesis gas (M24) is formed, and slag and other residues (M91, M92, M93, M94) are removed. In a third process stage (P3), the synthesis gas (M24) from the second process stage (P2) is converted into hydrocarbons and/or other solid, liquid, and/or gaseous products (M60), which are discharged. The three process stages (P1, P2, P3) form a closed cycle. Surplus gas (M25) from the third process stage (P3) is passed as recycle gas into the first process stage (P1), and/or the second process stage (P2), and pyrolysis gas (M22) from the first process stage (P1) is passed into the second process stage (P2), and/or the third process stage (P3).
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公开(公告)号:US10787620B2
公开(公告)日:2020-09-29
申请号:US16293314
申请日:2019-03-05
Applicant: China University of Petroleum (East China)
Inventor: Yingyun Qiao , Yuanyu Tian , Youqing Wu , Huawei Zhang , Peijie Zong , Jie Li , Xue Ming , Yuan Jiang
Abstract: The invention provides a method of biomass grading pyrolysis gasification in a circulating fluidized bed comprising: feeding biomass into the lower-middle part of a carrying fluidized bed, mixing with high temperature synthesis gas and heat carrier from a turbulent fluidized bed, heating the biomass to carry out a pyrolysis reaction, and carrying the pyrolysis product upward; subjecting the cracked oil and gas to a gaseous phase catalytic cracking in an upper-middle part of the carrying fluidized bed, cracking the tar into methane, ethane and the like; subjecting the heat carrier, semi-coke and fuel gas after the reaction to the multi-stage of gas-solid separation, a large particle carrier and semi-coke following a first-level separation are used as the fuel gas cracking catalyst and the filter material for filtering and removing dust, and enter into a moving bed filter to separate out an ultra-fine ash and subsequently return to the turbulent fluidized bed so as to perform gasification reaction, the ultra-fine ash is delivered to the outside as a silicon-potash fertilizer product; the medium and small particle carrier and semi-coke separated from a second-level separation are directly recycled to the turbulent fluidized bed, the fine particles separated from a third-level separation is discharged to the outside as a silicon-potash fertilizer product, the moving bed filter further catalytically cracks a small amount of tar in the fuel gas into methane and ethane and removes the ultra-fine ash simultaneously, the purified fuel gas is delivered to the outside as a product.
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