| 费托合成浆态床速度分布和浓度分布的模拟及其影响规律 |
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| 引用本文： | 卢佳,王丽军,张煜,李希. 费托合成浆态床速度分布和浓度分布的模拟及其影响规律[J]. 化学反应工程与工艺, 2010, 26(3) |
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| 作者姓名： | 卢佳 王丽军 张煜 李希 |
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| 作者单位： | 浙江大学化学工程与生物工程系,浙江,杭州,310027;浙江大学化学工程与生物工程系,浙江,杭州,310027;浙江大学化学工程与生物工程系,浙江,杭州,310027;浙江大学化学工程与生物工程系,浙江,杭州,310027 |
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| 摘 要： | 提出了浆态床速度分布的一维流体力学模型和合成气液相浓度分布的二维扩散模型,用于描述浆态床液相返混对费托合成反应的影响。模型计算结果与示范工厂数据符合良好。计算表明,液相返混状态对合成气转化率有显著影响。利用模型考察了空塔气速对合成气转化率和空时产率的影响规律,随气速增加,合成气转化率单调下降,空时产率先增大后缓慢降低;塔径放大后,中心液速和液相循环流率都增大,浆料返混加剧,费托合成反应转化率降低。
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| 关 键 词： | 费托合成 浆态床 返混 流体力学 扩散模型 |
Influence of Slurry Velocity and Concentration Distributions on Fischer-Tropsch Synthesis in Slurry Bubble Column Reactor |
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| Lu Jia,Wang Lijun,Zhang Yu,Li Xi. Influence of Slurry Velocity and Concentration Distributions on Fischer-Tropsch Synthesis in Slurry Bubble Column Reactor[J]. Chemical Reaction Engineering and Technology, 2010, 26(3) |
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| Authors: | Lu Jia Wang Lijun Zhang Yu Li Xi |
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| Affiliation: | Lu Jia Wang Lijun Zhang Yu Li Xi(Department of Chemical and Biological Engineering,Zhejiang University,Hangzhou 310027,China) |
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| Abstract: | One-dimensional hydrodynamic model for slurry velocity profile and two-dimensional dispersion model for slurry concentration distributions of synthesis gas were developed to study the effect of liquid back-mixing on Fischer-Tropsch synthesis in slurry bubble column reactor.Modeling results were consistent well with demonstration plant data indicating that back-mixing condition of slurry phase caused significant effects on synthesis gas conversion.Influence of superficial gas velocity on synthesis gas conver... |
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| Keywords: | Fischer-Tropsch synthesis slurry bubble column back-mixing hydrodynamics dispersion model |
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