Chemical Effect and Spatial Effect of New Bimodal Catalysts for Fischer-Tropsch Synthesis.

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概要

• 論文の詳細を見る

• A catalyst support with both small pores and large pores, as well as a distinct bimodal pore structure, has excellent advantages in industrial solid-catalysis reactions because the large pores provide pathways for rapid molecular transportation and the small pores serve a large area of active surface. A simple preparation method of bimodal supports was developed by introducing SiO<SUB>2</SUB> or ZrO<SUB>2</SUB> sol into large pores of an SiO<SUB>2</SUB> gel pellet directly. The pores of the obtained bimodal supports distributed distinctly as two kinds of main pores. On the other hand, the increased BET surface area and decreased pore volume, compared to those of original silica gel, indicated that the obtained bimodal support formed according to the designed route. The obtained bimodal support loaded with cobalt was applied in slurry-phase Fischer–Tropsch synthesis (FTS). The bimodal catalyst presented the best reaction performance in slurry-phase FTS with a high reaction rate and low methane selectivity, because the spatial promotional effect of the bimodal structure and the chemical effect of the porous zirconia were available inside the large pores of original silica gel.

• The Society of Chemical Engineers, Japanの論文

著者

• TSUBAKI NORITATSU

  Department of Material System and Life Science, School of Engineering, Toyama University

• Tsubaki Noritatsu

  Department Of Applied Chemistry Graduate School Of Engineering The University Of Tokyo

• Zhang Yi

  Department Of Analytical Chemistry Shenyang Pharmaceutical University

• Yoneyama Yoshiharu

  Department Of Applied Chemistry School Of Engineering Toyama University

• Fujimoto Kaoru

  School Of Engineering The University Of Kitakyushu

• Zhang Yi

  Department of Material System and Life Science, School of Engineering, Toyama University

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