February 2003

Special Report: Clean Fuels

The ultimate 'clean' fuel – Gas-to-liquid products

New reforming technology enables converting stranded natural gas into low-sulfur syngas

Ashley, M., Gamlin, T., Davy Process Techonology; Font Freide, J., BP

The "cleanest" - low-sulfur hydrocarbons - products are produced from natural gas. Promising developments in the gas-to-liquids (GTL) technology are pioneering Fischer-Tropsch (F-T) processes to convert remote, stranded natural gas into synthesis gas. New GTL processes enable reforming natural gas and steam into a synthesis gas. This syngas is catalytically reacted to form waxy long-chain hydrocarbons in an F-T converter; the long-chain hydrocarbons are then hydrocracked to a low-sulfur hydrocarbon feed that is suitable for fuels or a feed for petrochemicals processes. The following case history highlights a commercial GTL test facility at Nikiski, Alaska. Market overview. Nat

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