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Citation: Wang Li, Fen Guanging, Yang Huixing. IR STUDY ON COAL PYROLYSIS[J]. Acta Physico-Chimica Sinica, ;1987, 3(03): 242-247. doi: 10.3866/PKU.WHXB19870305 shu

IR STUDY ON COAL PYROLYSIS

1.
Department of Chemistry; Peking University

Received Date: 3 December 1985
Available Online: 15 June 1987

The groups, OH, CH_2, CH_3, C—O—C etc. in fat coal from Feng-Feng in He-Bei province has been examined. The disappearance kinetics of these groups were also determined by IR method. The results showed that the disappearance reactions for these groups followed first-order reaction.The rate constants and corresponding activation energies to each reaction are:
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v/cm~(-1) group 10~2 k/s~(-1) E_a/kJ mol~(-1)
----------------------------
500 ℃ 550 ℃ 600 ℃
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3690 OH 2.92 9.05 9.26 68.1
2920 CH 5.16 9.47 12.8 53.5
1600 Aromatic 1.85 2.03 6.22 71.9
C=C
1035 Asymmetric 2.05 4.21 8.31 81.1
Ar—O—C
1010 Symmetric 1.85 4.17 7.92 85.3
Ar—O—C
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