US 12,435,013 B2
Ethanol to ethylene process
Saikrishna Laxmirajam Gosangari, Gurugram (IN); Manuela Serban, Northbrook, IL (US); Martha Leigh Abrams, Des Plaines, IL (US); Ashish Mathur, Gurgaon (IN); Balkrishna Tope, Gurgaon (IN); Eseoghene Jeroro, Chicago, IL (US); and Jeannie Mee Blommel, Oregon, WI (US)
Assigned to UOP LLC, Rosemont, IL (US)
Filed by UOP LLC, Des Plaines, IL (US)
Filed on Aug. 28, 2023, as Appl. No. 18/457,246.
Claims priority of application No. 202211049520 (IN), filed on Aug. 30, 2022; application No. 202211049523 (IN), filed on Aug. 30, 2022; and application No. 202211049527 (IN), filed on Aug. 30, 2022.
Prior Publication US 2024/0067584 A1, Feb. 29, 2024
Int. Cl. C07C 1/24 (2006.01)
CPC C07C 1/24 (2013.01) [C07C 2521/04 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A process of converting an ethanol feed stream to ethylene comprising:
a. dividing said ethanol feed stream into a first portion and a second portion;
b. sending said first portion to a reactor through a charge heater;
c. mixing steam with said first portion and feeding a first portion and steam mixture to a charge heater to produce a first heated charge stream;
d. sending said first heated charge stream to said reactor;
e. subjecting said first heated charge stream to sufficient conditions to dehydrate said ethanol to produce an effluent comprising ethylene and water;
f. combining said effluent with said second portion to form an effluent and second portion mixture and sending said mixture to a second reactor to be reacted to produce a product effluent comprising ethylene and water.