US 11,939,225 B2
Highly siliceous form of zeolite RHO
Joseph M. Falkowski, Hampton, NJ (US); Hilda Bouza Vroman, Piscataway, NJ (US); Allen W. Burton, Stewartsville, NJ (US); Eugene Terefenko, Center Valley, PA (US); Kanmi Mao, Basking Ridge, NJ (US); and Karl G. Strohmaier, Port Murray, NJ (US)
Assigned to ExxonMobil Technology and Engineering Company, Annandale, NJ (US)
Appl. No. 17/285,546
Filed by ExxonMobil Technology and Engineering Company, Annandale, NJ (US)
PCT Filed Nov. 1, 2019, PCT No. PCT/US2019/059486
§ 371(c)(1), (2) Date Apr. 15, 2021,
PCT Pub. No. WO2020/092967, PCT Pub. Date May 7, 2020.
Claims priority of provisional application 62/754,013, filed on Nov. 1, 2018.
Prior Publication US 2021/0380425 A1, Dec. 9, 2021
Int. Cl. B01J 20/18 (2006.01); B01D 53/047 (2006.01); C01B 39/48 (2006.01)
CPC C01B 39/48 (2013.01) [B01D 53/047 (2013.01); B01J 20/186 (2013.01); B01D 2253/116 (2013.01); B01D 2253/306 (2013.01); B01D 2253/311 (2013.01); B01D 2256/245 (2013.01); B01D 2257/504 (2013.01); C01P 2002/72 (2013.01); C01P 2002/74 (2013.01); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01); C01P 2006/16 (2013.01)] 24 Claims
 
1. A composition comprising:
a Rho zeolite with a RHO topology having a Si to B ratio greater than or equal to 8 wherein the Rho zeolite has a BET surface area about 950 m2/g to about 1100 m2/g, a micropore volume of about 0.25 cm3/g to about 0.50 cm3/g, and an average diameter of 0.1 microns to 25 microns.