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Effects of solvent on Fischer–Tropsch synthesis

Paper ID Volume ID Publish Year Pages File Format Full-Text
44703 46056 2006 7 PDF Available
Title
Effects of solvent on Fischer–Tropsch synthesis
Abstract

The influence of solvent on the selectivity of α-olefin in the product hydrocarbon as a function of carbon number over a 20 wt.% Co on SiO2 catalyst under the typical reaction conditions of 513 K, 4.5 MPa and H2/CO = 2 has been investigated. Hydrocarbons with different carbon numbers and molecular structures, including n-hexane, n-octane, n-decane, n-dodecane, n-hexadecane, iso-octane and decahydronaphthalene, were used as solvents. Although the selected solvents did not obviously affect the catalytic activity or chain growth probability (α-value), they exhibited remarkable influences on the α-olefin selectivity. In the case of n-hexane solvent, the α-olefin content in the product decreased markedly with increasing carbon number of the product. The n-decane solvent gave the highest olefin content. It was independent of carbon number on the C6+ product at the level of about 40%. This could be attributed to quicker desorption, diffusion and more suppressed re-adsorption of primary FTS product (α-olefin).

Keywords
Fischer–Tropsch reaction; Solvent; α-Olefin synthesis; Co/SiO2 catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 303, Issue 2, 28 April 2006, Pages 251–257
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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