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公开(公告)号：US20230150901A1
公开(公告)日：2023-05-18
申请号：US17915945
申请日：2021-03-29
发明人： Romuald COUPAN , Nikolai NESTERENKO , Gleb VERYASOV , Zhongyi John DING , Jingsong ZHOU , Miguel A.F. SANTOS , Mircea G CRETOIU
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：US20230118848A1
公开(公告)日：2023-04-20
申请号：US17915958
申请日：2021-03-29
发明人： Romuald COUPAN , Nikolai NESTERENKO , Gleb VERYASOV , Zhongyi John DING , Jingsong ZHOU , Miguel A.F. SANTOS , Mircea G CRETOIU
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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