SummaryPart of this work focuses on temperature programmed retention index assessment of 70 polynuclear aromatic hydrocarbons (PAHs) using a methylsilicone capillary column. The use of the retention index presented here offers a good possibility of identifying and determining PAHs in the mass range discussed and to apply such conditions to the analysis of fuel and fuel deposits. Retention indices and vaporization enthalpy data of PAHs are linearly related to the molecular total energy. This paper describes also a gas-chromatographic study of the adsorption of some PAHs on Carbopack.
About 50 % of the proven natural gas reserves are remote from any sizable market. The economic utilization of this natural gas is limited by the high cost of transportation. An option to bring remote natural gas onto the market is its conversion by the Fischer‐Tropsch synthesis to higher hydrocarbons which eliminates the need for cryogenic transportation, equipment and tankage. As an interesting alternative to common cost‐intensive Fischer‐Tropsch processes currently in progress, a low‐cost concept for the conversion of natural gas to liquid hydrocarbons based on nitrogen‐rich synthesis gas is proposed in the present paper.
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