Abstract
The effects of ethylene glycol modified co-precipitation were applied to develop a catalyst with higher activity and selectivity of light olefins in the Fischer–Tropsch synthesis. The catalysts prepared by an ethylene glycol (EG) modified co-precipitation realized smaller and homogeneously distributed catalyst particles as 15–25 nm, which was two times smaller than that of the catalyst prepared from conventional co-precipitation. The Fe/Mn-EG catalyst has higher activity and enhanced selectivity to light olefins, as well as the doubled olefin to paraffin ratio (C2=–C4=/C20–C40), comparing to un-pretreated catalyst. Furthermore, the addition of magnesium promoter to the Fe/Mn-EG catalyst inhibits the chain growth ability, and enhances the formation of light olefins (C2=–C4=), realizing the high selectivity of light olefins as 50.1 %. The properties of catalyst structure, active phase, reduction and carburization of obtained catalysts were characterized by N2 physisorption, XRD, SEM, XPS, TPR and DRIFTS measurements.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
