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公开(公告)号：US12157860B2
公开(公告)日：2024-12-03
申请号：US17838406
申请日：2022-06-13
Inventor： Hyung Rae Kim , Jihad M. Dakka , Xiaochun Xu
IPC: C10G3/00
Abstract: Systems and methods are provided for increasing the yield of products generated during co-processing of biomass oil in a fluid catalytic cracking (FCC) system. The systems and methods can allow for increased yield by reducing or minimizing formation of carbon oxides, gas phase products, and/or coke yields during the co-processing. This can be achieved by adding a hydrogen-rich co-feed to the co-processing environment. Examples of hydrogen-rich co-feeds include high hydrogen content vacuum gas oil co-feed, high hydrogen content distillate co-feed, and/or high hydrogen content naphtha co-feed. Additionally or alternately, various types of fractions that contain a sufficient amount of hydrogen donor compounds can be used to reduce or minimize carbon oxide formation.
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公开(公告)号：US11691139B2
公开(公告)日：2023-07-04
申请号：US16947706
申请日：2020-08-13
Inventor： Chuansheng Bai , Majosefina Cunningham , Jihad M. Dakka , Preeti Kamakoti , Aruna Ramkrishnan , Anjaneya S. Kovvali , Anita S. Lee
IPC: B01J37/08 , B01J37/02 , B01J37/04 , C07C41/01 , B01J33/00 , B01J21/18 , B01J29/40 , B01J37/10 , B01J23/80
CPC classification number: B01J37/084 , B01J21/18 , B01J23/80 , B01J29/40 , B01J33/00 , B01J37/0219 , B01J37/0221 , B01J37/04 , B01J37/10 , C07C41/01
Abstract: A method of producing bifunctional catalyst systems that include a carbon-coated metal catalyst may comprise: coating a metal catalyst particle with a carbon-containing small molecule to produce a coated metal catalyst particle; carbonizing the carbon-containing small molecule on the coated metal catalyst particle to produce a carbon-coated metal catalyst particle; and mixing the carbon-coated metal catalyst particle with an acid catalyst particle to produce an acid/metal bifunctional catalyst system. Further, a method of producing bifunctional catalyst systems that include a carbon-coated acid catalyst may be similarly performed by coating a metal catalyst particle with a carbon-containing small molecule to produce a coated metal catalyst particle; carbonizing the carbon-containing small molecule on the coated metal catalyst particle to produce a carbon-coated metal catalyst particle; and mixing the carbon-coated metal catalyst particle with an acid catalyst particle to produce an acid/metal bifunctional catalyst system.
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公开(公告)号：US11377397B2
公开(公告)日：2022-07-05
申请号：US17077327
申请日：2020-10-22
Inventor： Kun Wang , Aaron Sattler , Jihad M. Dakka
Abstract: The application relates to processes and systems that use a furfural compound for producing five-membered carbocyclic rings that are unsaturated, such as cyclopentene and cyclopentadiene. Examples methods for conversion of furfural compounds may include converting a furfural compound to at least a five-membered, saturated carbocyclic ring, and converting the five-membered, saturated carbocyclic ring in a presence of a catalyst to at least a five-membered, unsaturated carbocyclic ring.
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公开(公告)号：US20250059448A1
公开(公告)日：2025-02-20
申请号：US18805865
申请日：2024-08-15
Inventor： Matthew S. METTLER , Michael P. Lanci , Justin A. Federici , Mobae Afeworki , Christine N. Elia , Jihad M. Dakka
Abstract: A method including: introducing a feed comprising an alcohol and an activator into a reactor comprising a solid acid catalyst; contacting the alcohol and the activator in the presence of the solid acid catalyst under conditions effective to convert at least a portion of the alcohol and the activator to produce a product stream comprising C8-C16 olefins and water; thermally contacting at least a portion of the C8-C16 olefins and/or water with a working fluid to heat the working fluid to form a heated working fluid; and introducing at least a portion of the C8-C16 olefins and water from the product stream into a distillation column and forming a bottoms stream comprising a majority of the C8-C16 olefins from the product stream, wherein a reboiler thermally coupled to the distillation column is at least partially heated by the heated working fluid.
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5.发明公开公开(公告)号：US20240209208A1
公开(公告)日：2024-06-27
申请号：US18279805
申请日：2021-11-10
Inventor： Ozcan Altintas , Justin P. Romaire , Jihad M. Dakka , Renyuan Yu , Anthony S. Mennito , Brandon M. Carcuffe , Teng Xu
IPC: C08L95/00
CPC classification number: C08L95/00 , C08L2555/74
Abstract: Isotropic pitch compositions may be obtained by reacting an aromatic feedstock comprising one or more aromatic classes with formaldehyde or paraformaldehyde under acidic conditions. Isotropic pitch compositions may comprise: at least two monomers linked with at least one methylene bridge between each one of the at least two monomers, wherein each one of the at least monomers comprises one or more aromatic classes comprising one or more 5-membered rings, 6-membered rings, and any combination thereof; and wherein the isotropic pitch composition has a weight average molecular weight (Mw) of about 300 g/mol to about 1,500 g/mol, a softening point (Tsp) of 90° C. or greater, and a micro carbon residue (MCR) of about 18 wt % or greater, based on the total weight of the isotropic pitch composition.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20230312433A1
公开(公告)日：2023-10-05
申请号：US17650840
申请日：2022-02-11
Inventor： Jihad M. Dakka , David O. Marler , Avelini Corma Canos , Pasquel Ona Burgos
IPC: C07C1/22 , C07C29/48 , C07C45/27 , B01J31/18 , C07C5/22 , B01J23/52 , B01J23/10 , B01J35/02 , B01J23/46 , B01J21/06
CPC classification number: C07C1/22 , B01J21/063 , B01J23/10 , B01J23/462 , B01J23/52 , B01J31/1815 , B01J35/026 , C07C5/22 , C07C29/48 , C07C45/27 , B01J2231/70
Abstract: The present disclosure provides catalyst compositions and processes for the conversion of low-cost short chain alkanes to high value liquid transportation fuels and chemicals. The present disclosure provides methods of making said catalyst compositions.
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公开(公告)号：US11602734B2
公开(公告)日：2023-03-14
申请号：US16993219
申请日：2020-08-13
Inventor： Chuansheng Bai , Majosefina Cunningham , Jihad M. Dakka , Preeti Kamakoti , Aruna Ramkrishnan , Anjaneya S. Kovvali , Anita S. Lee
IPC: B01J29/06 , B01J23/80 , C07C41/01 , B01J29/46 , B01J27/188 , B01J27/19 , B01J35/02 , B01J35/10 , B01J37/04 , B01J37/08 , B01J37/10 , B01J37/00 , B01J37/18 , B01J21/04 , C07C31/04 , C07C43/04 , C07C29/154
Abstract: A method of producing a acid/metal bifunctional catalyst may include: mixing an acid catalyst, a metal catalyst, and a fluid to produce a slurry, wherein the acid catalyst is present at 50 wt % or less relative to a total catalyst weight in the slurry; heating the slurry; producing a powder from the slurry; and calcining the powder to produce the acid/metal bifunctional catalyst. Such acid/metal bifunctional catalyst would be useful in the direct conversion of syngas to dimethyl ether as well as other reactions.
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公开(公告)号：US20250059449A1
公开(公告)日：2025-02-20
申请号：US18744973
申请日：2024-06-17
Inventor： Jihad M. Dakka , Arun K. Sharma , Xiaochun Xu , Richard C. Senior , Jason M. Golias
Abstract: The present disclosure provides methods and systems for converting ethanol and cracking hydrocarbons into ethylene and at least cracked products. A method to convert ethanol and cracking hydrocarbons includes: introducing a hydrocarbon feed into a riser of a fluid catalytic cracking reactor such that hydrocarbons in the hydrocarbon feed reacts in the presence of one or more fluid catalytic cracking catalysts to produce at least cracked products; and introducing an ethanol feed into an upper one third of a stripper of the fluid catalytic cracking reactor such that the ethanol reacts in the presence of spent catalyst flowing downwardly from a separator section of the fluid catalytic cracking reactor to produce at least ethylene.
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9.发明授权公开(公告)号：US11654421B2
公开(公告)日：2023-05-23
申请号：US16947701
申请日：2020-08-13
Inventor： Chuansheng Bai , Majosefina Cunningham , Jihad M. Dakka , Preeti Kamakoti , Aruna Ramkrishnan , Anjaneya S. Kovvali , Anita S. Lee
IPC: B01J23/80 , C07C41/01 , B01J37/04 , B01J37/03 , B01J37/30 , B01J37/00 , B01J37/08 , B01J37/34 , B01J37/06 , B01J37/02 , B01J37/18 , B01J35/00 , B01J35/02 , B01J35/10 , B01J21/18
CPC classification number: B01J23/80 , B01J21/18 , B01J35/0013 , B01J35/026 , B01J35/1014 , B01J35/1019 , B01J35/1038 , B01J35/1042 , B01J35/1047 , B01J35/1061 , B01J37/0036 , B01J37/0236 , B01J37/031 , B01J37/04 , B01J37/06 , B01J37/088 , B01J37/18 , B01J37/30 , B01J37/348 , C07C41/01
Abstract: Methods of producing metal catalysts can include mixing two or more metal salts and an aluminum salt in water to produce a metal catalyst precursor solution; mixing the metal catalyst precursor solution and an alkali metal buffer solution to produce a precipitate; ion exchanging the alkali metal in the precipitate for a non-alkali cation to produce a low-alkali metal precipitate comprising 3 wt % or less alkali metal by weight of the precipitate on a dry basis; producing a powder from the low-alkali metal precipitate; and calcining the powder to produce a metal catalyst. Such metal catalysts may be useful in producing bifunctional catalyst systems that are useful in, among other things, converting syngas to dimethyl ether in a single reactor.
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公开(公告)号：US11590481B2
公开(公告)日：2023-02-28
申请号：US17349989
申请日：2021-06-17
Inventor： Takayuki Iida , Jihad M. Dakka , Brandon M. Carcuffe , Aaron Peters
Abstract: Provided herein are methods for hydroisomerization of a hydrocarbon feedstock comprising contacting the hydrocarbon feedstock with hydrogen and a catalyst to yield a hydrocarbon product having an increase in branched hydrocarbons relative to the hydrocarbon feedstock. The present catalysts comprise a heteroatom-doped Beta zeolite having a trivalent cation as a framework metal oxide, an extra-framework species comprised of cerium and/or cobalt, and from 0.01 to 1.5 wt. % of a group VIII or VIB metal, or a combination thereof.
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