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Annex 1.1 How are 1-alkenes formed from syngas

As we mentioned in Section 4.1.2 and in Chapter 1, the ready availability of syngas and the increasingly short supply, or difficulty of access, of other carbon-based feedstocks, implies that syngas based reactions will increase in significance in the chemical industry. Amongst the most important is the Fischer-Tropsch (F-T) process, and there has therefore been considerable interest in its mechanism. [Pg.156]

Interestingly, the free energies (Box 7) and the enthalpies of formation of the products of CO hydrogenation are also reflected in the rates (kinetics) of the various reactions thus hydrocarbons are formed relatively easily. While there is [Pg.156]

One interesting and revealing aspect of the more recent studies is the importance of a C2 intermediate species (which may be, for example, a vinyl, -CH=CH2(ad), or vinylidene, =C=CH2(ad)) and which has been confirmed by a number of independent investigations. This is also suggested by the kink at [C2] [Pg.157]


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