Nature Communications 2015-01-01

Discovery of optimal zeolites for challenging separations and chemical transformations using predictive materials modeling.

Peng Bai, Mi Young Jeon, Limin Ren, Chris Knight, Michael W Deem, Michael Tsapatsis, J Ilja Siepmann

文献索引:Nat. Commun. 6 , 5912, (2015)

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摘要

Zeolites play numerous important roles in modern petroleum refineries and have the potential to advance the production of fuels and chemical feedstocks from renewable resources. The performance of a zeolite as separation medium and catalyst depends on its framework structure. To date, 213 framework types have been synthesized and >330,000 thermodynamically accessible zeolite structures have been predicted. Hence, identification of optimal zeolites for a given application from the large pool of candidate structures is attractive for accelerating the pace of materials discovery. Here we identify, through a large-scale, multi-step computational screening process, promising zeolite structures for two energy-related applications: the purification of ethanol from fermentation broths and the hydroisomerization of alkanes with 18-30 carbon atoms encountered in petroleum refining. These results demonstrate that predictive modelling and data-driven science can now be applied to solve some of the most challenging separation problems involving highly non-ideal mixtures and highly articulated compounds.


相关化合物

  • 甘油
  • 乙醇
  • 氟化氢
  • 氟化铵
  • 吡啶
  • 四丙基溴化铵
  • 丙胺
  • 吡啶氢氟酸盐

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