公开(公告)号：US11498890B1

公开(公告)日：2022-11-15

申请号：US17770188

申请日：2020-10-26

申请人： TotalEnergies OneTech ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)

发明人： Florent Dubray ,  Svetlana Mintova ,  Jean-Pierre Gilson ,  Stanislav Konnov ,  Stijn Van Daele ,  Nikolai Nesterenko

IPC分类号： C07C2/76 ,  C01B39/40 ,  B01J29/48 ,  C01B37/00 ,  C07C2/84

摘要： Process for the conversion of non-oxidative coupling of methane to ethylene, under non-oxidative conditions, comprising: providing a first stream containing at least 50 vol. % of methane based on the total volume of said first stream; providing a catalyst; putting in contact said first stream with said catalyst at a weight hour space velocity ranging from 0.5 to 100 h−1, a temperature ranging from 500° C. to 1100° C. and a pressure ranging from 0.1 MPa to 5 Mpa in the absence of oxygen; recovering a second stream containing unconverted methane if any, ethylene and hydrocarbons having at least 2 carbon atoms. Said process is remarkable in that said catalyst is a synthetic zeolite material, containing at least one metal M with silicon to metal M molar ratio Si/M as determined by inductively coupled plasma optical emission spectrometry ranging from 100 to 65440 and in that said metal M is incorporated inside of the zeolite tetrahedral sites.