期刊
ACS COMBINATORIAL SCIENCE
卷 15, 期 9, 页码 491-497出版社
AMER CHEMICAL SOC
DOI: 10.1021/co400048t
关键词
high-throughput screening; JP-8; catalytic cracking; zeolite
资金
- Defense Advanced Research Projects Agency [W91CRB-10-1-0007]
Portable power technologies for military applications necessitate the production of fuels similar to LPG from existing feedstocks. Catalytic cracking of military jet fuel to form a mixture of C-2-C-4 hydrocarbons was investigated using high-throughput experimentation. Cracking experiments were performed in a gas-phase, 16-sample high-throughput reactor. Zeolite ZSM-5 catalysts with low Si/Al ratios (<= 25) demonstrated the highest production of C-2-C-4 hydrocarbons at moderate reaction temperatures (623-823 K). ZSM-5 catalysts were optimized for JP-8 cracking activity to LPG through varying reaction temperature and framework Si/Al ratio. The reducing atmosphere required during catalytic cracking resulted in coking of the catalyst and a commensurate decrease in conversion rate. Rare earth metal promoters for ZSM-S catalysts were screened to reduce colon deactivation rates, while noble metal promoters reduced onset temperatures for coke burnoff regeneration.
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