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Table 1
Surface reactions for propylene and propylene oxide synthesis.
| Reaction | Reaction | Ea in |
|---|---|---|
| number (type) | Kelvin | |
| R1(NR)(a) | H + C3 →l −C3H | 0 |
| →c-C3H | 0 | |
| R2(RR)(a) | H + l-C3H →l-C3H2 | 0 |
| →c-C3H2 | 0 | |
| R3(RR)(a) | H + c-C3H →c-C3H2 | 0 |
| →l-C3H2 | 0 | |
| R4(NR)(a) | H + c, l-C3H2 →C3H3(CH2CCH) | 0 |
| R5(RR)(a) | H + C3H3 →CH3CCH | 0 |
| →CH2CCH2 | 0 | |
| R6(NR)(a) | H + CH3CCH →C3H5 | 2013 |
| R7(NR)(b) | H + CH2CCH2 →C3H5 | 0 |
| R8(RR)(a) | H + C3H5 →C3H6 | 0 |
| R9(NR)(a) | H + C3H6 →C3H7 | 1600 |
| R10(RR)(a) | H + C3H7 →C3H8 | 0 |
| R11(NR)(a) | H + C3H8 →C3H7 + H2 | 4000 |
| R12(NR) |  |
28.6(c) |
| R13(NR) |  |
30.6(c) |
| R14(NR) |  1-methyl vinyl alcohol |
32.8(c) |
| R15(NR) |  2-methyl vinyl alcohol |
33.8(c) |
| R16(NR) |  |
40(d) |
| R17(NR) |  |
(e) |
| R18(NR) | CH + C2H6 →C3H6 + H | Branching ratio 0.25(e) |
| R19(NR) | CH + C2H6 →C2H4 + CH3 | Branching ratio 0.75(e) |
References. (a) Hickson et al. (2016), (b) http://kinetics.nist. gov/kinetics/, (c)this work, (d) Ward & Price (2011), (e)Bergantini et al. (2018).
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