Kinetic Model of Product Distribution over Fe Catalyst for Fischer-Tropsch Synthesis

被引：29

作者：

Zhang, Rongle ^{[1
]}

Chang, Jie ^{[2
]}

Xu, Yuanyuan ^{[1
]}

Cao, Liren ^{[1
]}

Li, Yongwang ^{[1
]}

Zhou, Jinglai ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Coal Chem, Taiyuan 030001, Shanxi, Peoples R China

[2] Inst Chem & Engn Sci, Singapore 627833, Singapore

来源：

ENERGY & FUELS | 2009年 / 23卷 / 10期

关键词：

WATER-GAS SHIFT; REFLECTANCE FTIR SPECTROSCOPY; PRECIPITATED IRON CATALYSTS; CU-K CATALYST; REACTION-MECHANISM; INTRINSIC KINETICS; CO HYDROGENATION; CHAIN GROWTH; COBALT; HYDROCARBONS;

D O I：

10.1021/ef801079u

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A new kinetic model of the Fischer-Tropsch synthesis (FTS) is proposed to describe the non-Anderson-Schulz-Flory (ASF) product distribution. The model is based on the double-polymerization monomers hypothesis, in which the surface C-2* species acts as a chain-growth monomer in the light-product range, while C-2* species acts as a chain-growth monomer in the heavy-product range. The detailed kinetic model in the Langmuir-Hinshelwood-Hougen-Watson type based on the elementary reactions is derived for FTS and the water-gas-shift reaction. Kinetic model candidates are evaluated by minimization of multiresponse objective functions with a genetic algorithm approach. The model of hydrocarbon product distribution is consistent with experimental data (< C-45). The new model gives a sound interpretation of the experimental data.

引用

页码：4740 / 4747

页数：8

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