US 11,674,089 B2
Olefin methylation for production of low aromatic gasoline
Brandon J. O'Neill, Lebanon, NJ (US); Mark A. Deimund, Jersey City, NJ (US); and Ajit B. Dandekar, Spring, TX (US)
Assigned to EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY, Annandale, NJ (US)
Filed by ExxonMobil Technology and Engineering Company, Annandale, NJ (US)
Filed on Sep. 8, 2020, as Appl. No. 17/14,999.
Claims priority of provisional application 62/904,939, filed on Sep. 24, 2019.
Prior Publication US 2021/0087474 A1, Mar. 25, 2021
Int. Cl. C10G 3/00 (2006.01); B01J 29/70 (2006.01)
CPC C10G 3/49 (2013.01) [B01J 29/703 (2013.01); B01J 29/7038 (2013.01); C10G 2300/1088 (2013.01); C10G 2300/4006 (2013.01)] 14 Claims
OG exemplary drawing
 
3. A method for forming a naphtha composition, comprising:
exposing a feed comprising oxygenates and olefins to a conversion catalyst at an average reaction temperature of 230° C. to 300° C., a total pressure of 1 psig (˜7 kPa-g) to 400 psig (˜2700 kPa-g), and an oxygenate weight hourly space velocity of 0.1 hr−1 to 10.0 hr−1, to form a converted effluent comprising a net yield of 10 wt % or more of a C5+ fraction relative to a combined weight of the oxygenates and olefins, the C5+ fraction comprising 15 wt % or less aromatics, relative to a weight of the C5+ fraction, and having a research octane number (RON) of 85 or more, the feed comprising a molar ratio of oxygenates to olefins of 1 to 20,
wherein the conversion catalyst comprises 10 wt % or more of a zeolite having a framework structure of MWW, MOR, or a combination thereof.