Biomass-Derived Butadiene by Dehydra-Decyclization of Tetrahydrofuran
journal contributionposted on 02.04.2017 by Omar A. Abdelrahman, Dae Sung Park, Katherine P. Vinter, Charles S. Spanjers, Limin Ren, Hong Je Cho, Dionisios G. Vlachos, Wei Fan, Michael Tsapatsis, Paul J. Dauenhauer
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Catalytic ring-opening dehydration of tetrahydrofuran (THF), itself a product of decarbonylation and reduction of biomass-derived furfural, yields 1,3-butadiene, an important monomer in rubbers and elastomers. It is demonstrated that dehydra-decyclization of THF with phosphorus-containing siliceous self-pillared pentasil (SPP) or MFI structure exhibits high selectivity to butadiene (85–99%) at both low (9%) and high (89%) conversion of THF. High selectivity to pentadiene and hexadiene was also obtained from 2-methyl-tetrahydrofuran and 2,5-dimethyl-tetrahydrofuran, respectively, with phosphorus-containing, all-silica zeolites.