Gas-phase reaction of CCl2F2 (CFC-12) with methane

被引：17

作者：

Uddin, MA ^{[1
]}

Kennedy, EM ^{[1
]}

Dlugogorski, BZ ^{[1
]}

机构：

[1] Univ Newcastle, Sch Engn, Proc Safety & Environm Protect Grp, Callaghan, NSW 2308, Australia

来源：

CHEMOSPHERE | 2003年 / 53卷 / 09期

关键词：

CFC-12; methane; dehydrohalogenation; difluoroethylene;

D O I：

10.1016/S0045-6535(03)00658-1

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Gas-phase reaction of CFC-12 (CCl2F2) with methane was carried out in a plug flow reactor over the temperature range of 873-1123 K. The major organic halocarbons formed during the reaction were C2F4, C2H2F2, CHClF2, CH3Cl, C3H2F6 and CCl3F. The formation of all products except C2H2F2 decreased with temperature, while the selectivity to C2H2F2 (difluoroethylene) increased with temperature and reached approximate to80% at 1123 K. Under these reaction conditions, methane acts as hydrogen and carbon source, resulting in the formation of an unsaturated C-2 hydrofluorocarbon from two C-1 precursors. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：1189 / 1191

页数：3

共 50 条

[41] ABSOLUTE VISCOSITY OF CCL2F2 AND CHCL2F
LATTO, B
ALSALOUM, AJ
JOURNAL OF MECHANICAL ENGINEERING SCIENCE, 1970, 12 (02): : 135 - +
[42] Gas phase study with CF4 and CCl2F2 addition in microwave CVD diamond growth
Ferreira, NG
Corat, EJ
Trava-Airoldi, VJ
Leite, NF
DIAMOND AND RELATED MATERIALS, 1998, 7 (2-5) : 272 - 275
[43] Gas-phase reaction of halon 1211 (CBrCIF2) with methane
Tran, R
Kennedy, EM
Dlugogorski, BZ
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2001, 40 (14) : 3139 - 3143
[44] Ionization of CCl4 and CCl2F2 by electron impact
Lindsay, B. G.
McDonald, K. F.
Yu, W. S.
Stebbings, R. F.
Yousif, F. B.
PLASMA AND FUSION SCIENCE, 2006, 875 : 215 - +
[45] COMPOSITION OF GAS HYDRATES OF CHCLF2, CCL2F2 AND SF6
CADY, GH
JOURNAL OF FLUORINE CHEMISTRY, 1982, 21 (01) : 7 - 7
[46] THE INTERACTION OF CCL2F2 WITH FE(110) - SELECTIVE REACTION VIA THE FLUORINE MOIETIES
SMENTKOWSKI, VS
YATES, JT
SURFACE SCIENCE, 1990, 232 (1-2) : 92 - 101
[47] Trends of atmospheric CCL3F, CCL2F2 and CCL2FCCLF2 in Shanghai (China)
Yue, Y
Limin, C
Guozhong, S
Libo, W
Weichun, M
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, 2002, 82 (02) : 61 - 68
[48] REACTIVE ION ETCHING OF GAAS IN CCL2F2
KLINGER, RE
GREENE, JE
APPLIED PHYSICS LETTERS, 1981, 38 (08) : 620 - 622
[49] DECLINE IN THE ATMOSPHERIC ACCUMULATION RATES OF CCL3F(F-11), CCL2F2(F-12) AND CH3CCL3
KHALIL, MAK
RASMUSSEN, RA
JOURNAL OF THE AIR POLLUTION CONTROL ASSOCIATION, 1981, 31 (12): : 1274 - 1275
[50] Electron-impact ionization of CCl4 and CCl2F2
Lindsay, BG
McDonald, KF
Yu, WS
Stebbings, RF
Yousif, FB
JOURNAL OF CHEMICAL PHYSICS, 2004, 121 (03): : 1350 - 1356

← 1 2 3 4 5 →