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公开(公告)号：US12071389B2
公开(公告)日：2024-08-27
申请号：US18220404
申请日：2023-07-11
摘要： The present disclosure relates in its first aspect to a process of converting a stream comprising methane into chemicals, said process being remarkable in that it comprises the steps of providing a first stream (1, 5, 11) comprising methane, providing a second stream (79) which is a bromine-rich stream, putting into contact said first stream (15) with said second stream (79) to obtain a third stream (21) comprising at least unreacted methane, methyl bromide, dibromomethane, and hydrogen bromide and removing said dibromomethane from said third stream (21), to produce a dibromomethane stream (103) and a fourth stream (27) comprising unreacted methane, methyl bromide and hydrogen bromide; wherein the fourth stream (27) is converted into chemicals. In its second aspect, the present disclosure concerns an installation for carrying out the process of the first aspect.
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公开(公告)号：US11643371B2
公开(公告)日：2023-05-09
申请号：US17777787
申请日：2020-11-20
发明人： Nikolai Nesterenko , Gleb Veryasov , Raoul Dethier
摘要： The present disclosure concerns a process for converting alkyl halides to ethylene and propylene, said process comprising the steps of (a) providing a feedstream comprising alkyl halides; (b) providing a first and second catalyst composition, said second catalyst composition comprising a cracking catalyst; (c) contacting said feedstream with said first catalyst composition in a first reaction zone under first reaction conditions to provide a first product stream, and (d) subjecting at least a part of said first product stream to an Olefin Catalytic Cracking with said second catalyst composition in a second reaction zone under second reaction conditions to provide a second product steam. The process is remarkable in that it further comprises a step of steaming said first catalyst composition before the step (c) and in that said first catalyst composition comprises zeolites and a binder, wherein said zeolites comprise at least one 10-membered ring channel.
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公开(公告)号：US11945760B2
公开(公告)日：2024-04-02
申请号：US17777924
申请日：2020-11-20
摘要： The present disclosure concerns a process for converting methyl halides to ethylene and propylene, said process comprising the steps of (a) providing a feedstream comprising methyl halides; (b) providing a first and second catalyst composition, said second catalyst composition comprising a cracking catalyst; (c) contacting said feedstream with said first catalyst composition in a first reaction zone under first reaction conditions to provide a first product stream; and (d) subjecting at least a part of said first product stream to an Olefin Catalytic Cracking with said second catalyst composition in a second reaction zone under second reaction conditions to provide a second product steam. The process is remarkable in that said step (c) is performed under 400° C., and in that said first catalyst composition comprises molecular sieves with a Si/Al atomic between 2 and 18 and with a plurality of pores with a shape of an 8-membered ring or less.
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公开(公告)号：US11891706B2
公开(公告)日：2024-02-06
申请号：US17915958
申请日：2021-03-29
CPC分类号： C25B1/02 , C01B7/093 , C01B32/05 , C01B32/205 , C25B1/04 , C25B1/24 , C25B15/085 , C25B5/00
摘要： The disclosure relates in its first aspect to a process of conversion of a gaseous stream comprising methane into hydrogen (51) and carbon (25), the process is remarkable in that it comprises a step (a) of providing a first gaseous stream (3, 7); a step (b) of bromination and synthesis in which the first gaseous stream (3, 7) is put in contact with a second stream (53) comprising bromine resulting in the formation of a third stream (15) comprising methyl bromides and hydrogen bromide, and of a fourth stream (25) comprising carbon including graphite and/or carbon black; a step (c) of separation performed on the third stream (15) to recover a hydrogen bromide-rich stream (41) which is then oxidized in a step (d) to produce a stream (51) comprising hydrogen. The second aspect relates to the installation for performing the process of the first aspect and the third aspect concerns the use of bromine in such process.
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公开(公告)号：US11739035B2
公开(公告)日：2023-08-29
申请号：US17915945
申请日：2021-03-29
摘要： The present disclosure relates in its first aspect to a process of converting a stream comprising methane into chemicals, said process being remarkable in that it comprises the steps of providing a first stream (1, 5, 11) comprising methane, providing a second stream (79) which is a bromine-rich stream, putting into contact said first stream (15) with said second stream (79) to obtain a third stream (21) comprising at least unreacted methane, methyl bromide, dibromomethane, and hydrogen bromide and removing said dibromomethane from said third stream (21), to produce a dibromomethane stream (103) and a fourth stream (27) comprising unreacted methane, methyl bromide and hydrogen bromide; wherein the fourth stream (27) is converted into chemicals. In its second aspect, the present disclosure concerns an installation for carrying out the process of the first aspect.
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公开(公告)号：US11572322B2
公开(公告)日：2023-02-07
申请号：US17777829
申请日：2020-11-20
发明人： Nikolai Nesterenko , Gleb Veryasov , Raoul Dethier
摘要： The present disclosure relates to a process for converting one or more alkyl halides to acyclic C3-C6 olefins, said process comprising the steps of (a) providing a feedstream comprising one or more alkyl halides; (b) providing a catalyst composition; and (c) contacting said feedstream with said catalyst composition under reaction conditions. The process is remarkable in that said process further comprises a step of steaming said catalyst composition before the step (c) and in that said catalyst composition comprises one or more zeolites and a binder, wherein said one or more zeolites comprise at least one 10-membered ring channel. The present disclosure further relates to the use of a catalyst composition in said process, said catalyst composition comprising one or more zeolites and a binder, wherein said catalyst composition is steamed before use.
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公开(公告)号：US11691930B2
公开(公告)日：2023-07-04
申请号：US17777865
申请日：2020-11-20
发明人： Nikolai Nesterenko , Gleb Veryasov , Raoul Dethier
IPC分类号： C07C1/30 , B01J29/70 , B01J35/10 , B01J37/10 , B01J37/00 , B01J37/02 , B01J35/00 , B01J37/28
CPC分类号： C07C1/30 , B01J29/70 , B01J29/7015 , B01J35/1057 , B01J35/006 , B01J37/0009 , B01J37/0201 , B01J37/10 , B01J37/28 , B01J2229/42 , C07C2529/70
摘要： The present disclosure relates to a process for converting one or more methyl halides to acyclic C3-C6 olefins, said process comprising the steps of (a) providing a feedstream comprising one or more methyl halides; (b) providing a catalyst composition; and (c) contacting said feedstream with said catalyst composition under reaction conditions. The process is remarkable in that said reaction conditions include a reaction temperature below 400° C., and in that said catalyst composition comprises one or more molecular sieves with a Si/Al atomic ratio ranging from 2 to 18 and wherein said one or more molecular sieves comprise a plurality of pores, wherein said pores have a shape of an 8-membered ring or less.
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公开(公告)号：US11964868B2
公开(公告)日：2024-04-23
申请号：US18017362
申请日：2021-07-27
CPC分类号： C01B3/44 , B01J8/1827 , B01J8/1836 , B01J8/28 , B01J8/42 , B01J2208/00398 , B01J2208/00805 , C01B2203/0233 , C01B2203/085 , C01B2203/1241
摘要： The disclosure relates to a process to perform an endothermic steam reforming of hydrocarbons, said process comprising the steps of providing a fluidized bed reactor comprising at least two electrodes and a bed comprising particles, wherein the particles are put in a fluidized state to obtain a fluidized bed; heating the fluidized bed to a temperature ranging from 500° C. to 1200° C. by passing an electric current through the fluidized bed to conduct the endothermic reaction. The process is remarkable in that the particles of the bed comprise electrically conductive particles and particles of a catalytic composition, wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity ranging from 0.001 to 500 Ohm·cm at 800° C. and in that the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.
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公开(公告)号：US12049435B2
公开(公告)日：2024-07-30
申请号：US18017360
申请日：2021-07-27
CPC分类号： C07C2/80 , B01J6/008 , B01J8/42 , C01B32/05 , B01J2208/00398 , B01J2208/00415 , B01J2208/0053 , C01B2203/0277 , C01B2203/1241
摘要： The disclosure relates to a process to perform an endothermic methane pyrolysis reaction, said process comprising the steps of providing at least one fluidized bed reactor comprising at least two electrodes; and a bed comprising particles, wherein the particles are put in a fluidized state by passing upwardly through the said bed a fluid stream, to obtain a fluidized bed; heating the fluidized bed to a temperature ranging from 500° C. to 1200° C. to conduct the endothermic methane pyrolysis reaction; wherein the particles of the bed comprise electrically conductive particles and particles of a catalytic composition; wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity ranging from 0.001 Ohm·cm to 500 Ohm·cm at 800° C. and wherein the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.
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10.发明授权公开(公告)号：US11964934B2
公开(公告)日：2024-04-23
申请号：US18016843
申请日：2021-07-27
CPC分类号： C07C4/06 , B01J8/1827 , B01J8/1836 , B01J8/28 , B01J8/42 , C10G47/30 , B01J2208/00398 , B01J2208/00805 , C07C2529/06 , C10G2400/20 , C10G2400/30
摘要： The disclosure relates to a process to perform a catalytic cracking reaction of hydrocarbons having at least four carbons, said process comprising the steps of providing a fluidized bed reactor comprising at least two electrodes and a bed comprising particles, wherein the particles are put in a fluidized state to obtain a fluidized bed; heating said bed to a temperature between 500° C. and 850° C. by passing an electric current through the fluidized bed to conduct the reaction. The process is remarkable in that the particles of the bed comprise electrically conductive particles and particles of a catalytic composition, wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity from 0.001 to 500 Ohm.cm at 500° C. and in that the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.
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