26 14 c atalyst deactivation

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Unformatted text preview: ....................................... 23 1.3.2. Other processes for syngas production........................................................ 26 1.4. C atalyst deactivation.................................................................................... 27 1.4.1. Coking.......................................................................................................... 28 Contents II 1.4.1.1. Coking in gas phase reactions..................................................................... 30 1.4.1.2. Coking in gas-solid catalytic reactions.......................................................... 31 1.5. Catalytic partial oxidation.............................................................................. 33 1.5.1. Catalytic partial oxidation of methane over Ni catalysts............................... 34 1.5.1.1. Direct syngas formation................................................................................ 35 1.5.1.2. Total oxidation followed by reforming........................................................... 36 1.5.1.3. Pyrolysis mechanism.................................................................................... 37 1.5.1.4. Parallel pathways......................................................................................... 38 1.5.1.5. Activation of the catalyst............................................................................... 39 1.5.1.6. State of the active catalyst............................................................................ 40 1.5.1.7. Influence of the reaction conditions............................................................ 42 1.5.1.8. Stability of the catalysts.............................................................................. 43 1.5.2. Catalytic partial oxidation of higher hydrocarbons..................................... 44 1.6. The scope of this work............................................................................... 45 1.6.1. Methodology..........................
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This document was uploaded on 10/07/2013.

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