MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202647082345 A) filed by Sabic Global Technologies B. V. on July 03, 2026, for Systems And Methods For Metathesis To Produce Propene And Hex-1-Ene From Pretreated Butene Feedstock.
Inventors include Guggilla, Vidya Sagar; Vuppula, Rajitha; Sukumaran, Dhaneesh Varappurath Application Number; Subramanian, Selvakumar; Nijhuis, Tjeerd Alexander; and Sharma, Amit Number.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: Provided here are methods for chemical production that include receiving a C4 feed stream containing one or more contaminants, supplying the C4 feed stream to one or more guard beds to produce a pretreated C4 feed stream with reduced contaminants, and supplying the pretreated C4 feed stream to a metathesis reactor to produce a metathesis product stream containing ethene, propene, unreacted butenes, and C6 olefins. The method further includes supplying the metathesis product stream to a light distillation column to produce a C2-C3 product stream and a C4+-rich stream containing the unreacted butenes and the C6 olefins, and supplying the C2- C3 product stream to a C2/C3 splitter to produce an ethene product stream and a propene product stream. The method further includes supplying the C4+-rich stream to a heavy distillation column to produce a recycle stream containing the unreacted butenes and a heavy product stream containing the C6 olefins.
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