对三种典型金属Ni、Cu、Cr及其氧化物膜NiO、CuO和Cr2O3在碳氢化合物热裂解反应中的结焦特点和发生碳势还原反应的可能性进行了系统的理论分析.在800℃条件下进行结焦加速实验,结合扫描电境(SEM)、X射线能谱(EDAX)和X射线光电子谱(XPS)对结焦表面进行表面形貌、元素成份和化合价态分析,揭示了上述三种金属及其氧化物膜不同的结焦行为和结焦机理.
参考文献
| [1] | Lahaye J;Badie P;Ducret J .Mechanism of carbon formation during steamcracking of hydrocarbon[J].Carbon,1977,15:87-93. |
| [2] | Baker R T K;Yates D J C;Dumesic J A.Mechanism of carbon formation during steamcracking of hydrocarbon[M].New York,1981 |
| [3] | Boehm H P .Carbon from carbon monoxide disproportion on nickel end iron catalyst: Morphological studies and possible growth mechanisms[J].CARBON,1973,11:583-590. |
| [4] | Jackson P R S;Young D J;Trimm D L .Coke deposition on and removal from metals and heat-resistant alloys under steam-cracking conditions[J].Journal of Materials Science,1986,21:4376-4384. |
| [5] | Jackson P R S;Trimm D L;Young D J .The coking kinetic of heat resistant austenitic steels n hydrogen-propy1ene atmospheres[J].Journal of Materials Science,1986,21:3125-3134. |
| [6] | Chen Guanrong;Shi Jun.Encyclopedia of Chemical Engineering[M].北京:化学工业出版社,1993:856-858. |
| [7] | Li Yuin.The theory of industrial catalysis[M].天津:天津大学出版社,1996:72-78. |
| [8] | Jackson P R S;Trimm D L;Young D J .Morphological studies of coking on heat-resistant alloy[J].Journal of Materials Science,1985,20:4035-4044. |
| [9] | 清山哲郎;Huang Minming;Wang Jiwu.Metallic Oxide and its Catalytic Action[M].合肥:中国科学技术大学出版社,1991:84-93. |
| [10] | Yin Yongjia;Li Dazhen.物理化学[M].北京:高等教育出版社,1990:368-379. |
| [11] | Yang Yuansheng;Wu Xinqiang et al.[P].CN:97216734.X |
| [12] | Mitchell D R G;Young D J .A kinetic and morphologic study of the coking of some heat-resistant steels[J].Journal of Materials Science,1994,29:4357-4370. |
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