Production of renewable C4-C6 monoalcohols from waste biomass-derived carbohydrate via aqueous-phase hydrodeoxygenation over Pt-ReOx/Zr-P
- Authors
- Lee, Jechan; Ro, Insoo; Kim, Hyung Ju; Kim, Yong The; Kwon, Eilhann E.; Huber, George W.
- Issue Date
- Apr-2018
- Publisher
- INST CHEMICAL ENGINEERS
- Keywords
- C4-C6 monoalcohols; Hydrodeoxygenation; Pt-ReOx/Zr-P; Sorbitol; Biofuels
- Citation
- Process Safety and Environmental Protection, v.115, pp.2 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- Process Safety and Environmental Protection
- Volume
- 115
- Start Page
- 2
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/190826
- DOI
- 10.1016/j.psep.2017.05.015
- ISSN
- 0957-5820
- Abstract
- A bifunctional catalyst, Pt-ReOx, supported on zirconium phosphate (Pt-ReOx/Zr-P), was prepared and tested for aqueous-phase hydrodeoxygenation (APHDO) of waste biomass-derived carbohydrate (e.g., sorbitol) to produce C4-C6 monoalcohols such as butanol, pentanol, and hexanol in a high-pressure continuous flow reactor. For steady-state operation, the reaction parameters were optimized to achieve the highest yield of C4-C6 monoalcohols from APHDO of sorbitol. Approximately 30% yield of C4-C6 monoalcohols was reached at optimal reaction conditions (temperature: 453 K, pressure: 6.21 MPa, weight hourly space velocity (WHSV): 0.16 h(-1)) for APHDO of sorbitol over the Pt-ReOx/Zr-P catalyst. The effect of catalyst support for monoalcohol production was also evaluated by comparison between the Pt-ReOx/Zr-P and carbon supported Pt-ReOx (Pt-ReOx/C) catalysts. The Zr-P supported catalyst exhibited a four times higher yield of C4-C6 monoalcohols than the carbon supported catalyst, suggesting that acid sites atomically separated from metal sites play a crucial role in producing monoalcohols via C-O bond cleavage of chemical intermediates produced during APHDO of sorbitol.
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