公开(公告)号：US20210380425A1

公开(公告)日：2021-12-09

申请号：US17285546

申请日：2019-11-01

Applicant: ExxonMobil Research and Engineering Company

Inventor： Joseph M. Falkowski ,  Hilda Bouza Vroman ,  Allen W. Burton ,  Eugene Terefenko ,  Kanmi Mao ,  Karl G. Strohmaier

IPC: C01B39/48 ,  B01D53/047 ,  B01J20/18

Abstract: A composition can include a Rho zeolite with a RHO topology having a Si to B ratio or a Si to A1 ratio greater than or equal to 8. Making such a composition can include heating an aqueous reaction mixture having a molar ratio of atomic Si to atomic B of about 4 to about 50 or a molar ratio of atomic Si to atomic Al of about 4 to about 50 in the presence of a C4-C6 diquat of N,2-dimethylbenzimidazole structure directing agent to a temperature of at least 75° C. to produce a Rho zeolite.