MUMBAI, India, June 13 -- Intellectual Property India has published a patent application (202517038582 A) filed by Dow Global Technologies Llc, Midland, U.S.A., on April 22, for 'methods for forming light olefins with catalyst recycle.'
Inventor(s) include Pretz, Matthew T.; Li, Liwei; Yang, Yang; Koeken, Adrianus; Luo, Lin; Yuan, Quan; and Tsang, Chi-Wei.
The application for the patent was published on June 13, under issue no. 24/2025.
According to the abstract released by the Intellectual Property India: "According to embodiments disclosed herein, a method for forming light olefins in a reactor system may include reacting a feed stream in the presence of a catalyst to form a deactivated catalyst, passing the deactivated catalyst to a combustor and processing the deactivated catalyst to produce a reactivated catalyst, combining a portion of the reactivated catalyst with the deactivated catalyst upstream of the combustor to form a mixed catalyst stream and contacting the mixed catalyst stream with a first oxygen-containing gas stream upstream of the combustor, and passing the mixed catalyst stream to the combustor and contacting the mixed catalyst stream with a second oxygen-containing gas stream while in the combustor, where the molar flow rate of the first oxygen-containing gas stream is 1% to 15% of the combined molar flow rate of the first oxygen-containing gas stream and second oxygen-containing gas stream."
The patent application was internationally filed on Nov. 22, 2023, under International application No.PCT/US2023/080906.
Disclaimer: Curated by HT Syndication.
