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Water-Zeolite Interfaces for Controlling Reaction Routes in Fischer- Tropsch Synthesis of Alternative Fuels

[ Vol. 9 , Issue. 1 ]

Author(s):

Vladimir Z. Mordkovich* and Lilia V. Sineva   Pages 3 - 22 ( 20 )

Abstract:


Background: The Fischer-Tropsch Synthesis (FTS) remains an important process for motor fuel production from CO and H2. The composition of the FTS products (hydrocarbon mixtures) depends on the properties of a catalyst and on the process conditions.

Summary: The introduction of zeolites into catalytic systems can alter the molecular weight distribution paving the way to tailor-made fuels, as was revealed by recent research results produced in the laboratories worldwide. The AlO4 and SiO4 tetrahedrons, which constitute the zeolites, are able to transfer electrons and ions in a way, which makes water-zeolite interfaces capable of initiating active carbonium ions. It was shown in a number of works that the water-zeolite interface plays a key role in diverting the FTS from the classical route.

Conclusion: This review gives a critical analysis of literature data on the role of water-zeolite interfaces on FTS cobalt catalysts and on the interactions of hydrophobic and hydrophilic zeolites with water.

Keywords:

Zeolite, cobalt, Fischer-tropsch synthesis, alternative fuel, cooperative catalysis, water.

Affiliation:

Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Moscow, Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Moscow

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