以循环流化床锅炉循环灰为热载体、部分气化产生的半焦为锅炉燃料的煤的蒸汽-煤气联产技术中,降低焦油产率、提高煤气产率是一个努力方向.本文在固定床反应器实验台上以焦油的两种主要组份苯和甲苯为对象,实验研究了一种洗中煤形成的循环灰对焦油裂解的催化影响,测定了裂解反应动力学参数,探讨了循环灰对焦油裂解的催化机理.实验结果表明,与热裂解相比,循环灰条件下焦油裂解活化能下降,气态裂解产物总量提高.
参考文献
| [1] | Neogi D;chang C C;Walawender W P et al.Study of Coal Gasification in an Experimental Fluidized Bed Reator[J].AICHE Journal,1986,32(01):17-28. |
| [2] | Ioannis E K;Lu S L;Keith D B et al.Effect of Freeboard Residence Time on the Molecular Mass Distributions of Fluidized Bed Pyrolysis Tars[J].FUEL,1990,69(02):172-176. |
| [3] | 吕俊复;岳光溪 .氧化钙条件下焦油主要组分的催化裂解[J].清华大学学报(自然科学版),1997,37:11-14. |
| [4] | EDWARD F .Catalytic Effect of Mineral Matter of High Ash On Akawana Lignite Steam Gasification[J].Canadian Journal of Chemical Engineering,1986,64:293-298. |
| [5] | Ralf Kopsel;Henryk Zabawski .Catalytic Effects of Ash Components in Low Rank Coal Gasification[J].FUEL,1990,69(05):275-281. |
| [6] | 林永志,柳作良,李淑芬.煤中灰含量对气化反应活性的影响[J].燃料化学学报,1992(01):67-74. |
| [7] | Yoshio Kamiya;Shinichi Nagae;Shinichi Oikawa .Effect of Coal Minerals on the Treatment of Aromatic Ethers and Carbonyl Compounds[J].Fuel,1983,62(01):30-33. |
| [8] | Daniel L E;Chiu K L;David W M et al.Pyrolysis of Volatile Aromatic Hydrocarbons and n-heptane over Calcium Oxide and Quartz[J].Industrial & Engineering Chemistry Process Design and Development,1985,24(04):1080-1087. |
| [9] | 吕俊复;岳光溪 .焦油主要组分的热裂解[J].公用科技,1996,12(04):11-14. |
| [10] | Martens R;Gertsch H .Hydngen Release during Thermal Decomposition of Magnesium Hydroxide to Magnesium Oxide[J].Journal of Catalysis,1976,44:366-372. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%