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Full Record Journal Article:. Abstract High value hydrocarbon transportation fuels can be synthesized from any organic, carbon-containing raw material via Fischer-Tropsch synthesis. This chemical conversion process first developed decades ago with coal and later with natural gas as fossil feedstocks, can be applied to biomass feedstocks. Demands in fuels will increase very significantly in the future, due to the expected increase in the number of motor vehicles in the world.
In this context, synthetic hydrocarbon fuels may serve as a substitute a because today's distribution infrastructures can be used, and b due to the high fuel qualities with respect to modern engine technologies e. As catalysts, Co and Fe are today considered to be the most attractive ones. They both are able to catalyze on the solid surface hydrocarbon chain growth and slow down desorption reactions, although the detailed reaction mechanisms are different.
Upgrading of primary Fischer-Tropsch products most commonly includes some hydrogen treatment cracking or isomerization to produce a high-quality product. Overall yields of synfuel products in terms of carbon and energy efficiencies are significantly lower than the yields from petroleum refining. There are however other criteria that may favor synthetic hydrocarbon fuels from biomass e. As most critical factors appear a the high investment for large capacity plants, due to the complex conversion process and b the difficulty to provide large amounts of biomass in one location.
Incentives for R and D could include a to improve process efficiencies and economics, b to identify and assess potentials for sustainable energy supply, c to develop strategies for regional forestry and agriculture.
Publication Date: Oct 01, Product Type: Journal Article. Country of Origin: Germany. Language: German. Submitting Site: DE. Size: page s Announcement Date:. Journal Article:. Germany: N.
The Fischer—Tropsch process is a collection of chemical reactions that converts a mixture of carbon monoxide and hydrogen into liquid hydrocarbons. As a premier example of C1 chemistry , the Fischer—Tropsch process is an important reaction in both coal liquefaction and gas to liquids technology for producing liquid hydrocarbons. The Fischer—Tropsch process then converts these gases into a synthetic lubrication oil and synthetic fuel. The more useful reactions produce alkanes as follows:. Most of the alkanes produced tend to be straight-chain, suitable as diesel fuel.
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Catalysis in C 1 Chemistry pp Cite as. The dramatic increase of mineral oil prices has caused intense efforts to develop alternative sources to provide liquid fuels and raw materials for the chemical industry. Due to limited resources, the production of mineral oil is predicted to peak before the year and to decline from then on Figure 1 . Resources of coal are estimated to be ten times larger than those of mineral oil.