| 烧结程度对CaO固硫反应转化率及动力学参数的影响 |
| |
| 引用本文： | 武增华,寇鹏,杨海波,陈昌和. 烧结程度对CaO固硫反应转化率及动力学参数的影响[J]. 燃料化学学报, 2001, 29(3): 273-276 |
| |
| 作者姓名： | 武增华 寇鹏 杨海波 陈昌和 |
| |
| 作者单位： | 1. 清华大学化学系,清华大学深圳研究生院,
2. 清华大学热能系, |
| |
| 基金项目： | 国家重点基础研究专项基金(G19990222051)和清华大学基础研究基金(JC1999051) |
| |
| 摘 要： |
|
| 关 键 词： | 烧结 固硫反应 动力学 煤 燃烧 氧化钙 转化率 固硫剂 环境保护 活化能 |
| 文章编号： | 0253-2409(2001)03-0273-04 |
| 修稿时间： | 2000-10-15 |
EFFECTS OF PARTICLE AGGLOMERATION ON THE CONVERSION AND KINETIC PARAMETERS OF DESULFURIZORS |
| |
| Abstract: | The conversion and kinetic parameters of desulfurizors of CaO of different particle agglomeration degree are investigated with themogravimetric method (TG). The results showed that the CaO particle agglomeration degree increases when CaO calcined temperature or time increases. The dusulfurizors that have higher particle agglomeration degree have low conversion in the desulfurization reaction. The kinetic behavior of desulfurization can be explained by a grain model. The activity energies of suface reaction (Ea) and of product layer diffusion (Ep) were determined by using the grain model. The overall rates of desulfurization are controlled initially by surface chemical reaction, and then shift to product layer diffusion control. The activity energy of surface reaction (Ea) enhances when the CaO particle agglomeration degree increases. |
| |
| Keywords: | CaO agglomeration desulfurization kinetics |
| 本文献已被 维普 万方数据 等数据库收录！ |
