Study on direct alcohol/ether fuel synthesis process in bubble column slurry reactor

doi:10.1007/s11705-010-0517-6

Front Chem Eng Chin

2010, Vol. 4

Issue (4) : 461-471 https://doi.org/10.1007/s11705-010-0517-6

RESEARCH ARTICLE

Study on direct alcohol/ether fuel synthesis process in bubble column slurry reactor

Zhen CHEN^1,2, Haitao ZHANG¹, Weiyong YING¹(

), Dingye FANG¹

1. State Key Laboratory of Chemical Engineering, Engineering Research Center of Large Scale Reactor Engineering and Technology, Ministry of Education, East China University of Science and Technology, Shanghai 200237, China; 2. Department of Light Chemistry and Environment Engineering, Shandong Institute of Light Industry, Jinan 250353, China

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Abstract

The recent studies of direct alcohol/ether synthesis process in slurry reactors were reviewed, and the research work in our laboratory was carried out in this paper. a global kinetics model for direct dimethyl ether (DME) synthesis from syngas over a novel Cu-Zn-Al-Zr slurry catalyst was established according to the total of 25 experimental data, and a steady-state one-dimensional mathematical model was further developed in bubble column slurry reactor (BCSR), which was assumed that the bubble phase was plug flow, and the liquid phase was fully mixed flow. The numerical simulations of reactor design of 100000 t/a dimethyl ether pilot plant indicate that higher pressure and lower temperature were favorable to the increase of CO conversion, selectivity of dimethyl ether, product yield and height of slurry bed. The optimal operating conditions for DME synthesis process were obtained: reaction temperature at 240°C, reactor pressure at 5 MPa and reactor diameter of 2.5 m.

Keywords syngas alcohol/ether fuel slurry catalyst bubble column slurry reactor global kinetics mathematical model

Corresponding Author(s): YING Weiyong,Email:wying@ecust.edu.cn

Issue Date: 05 December 2010

Cite this article:

Zhen CHEN,Haitao ZHANG,Weiyong YING, et al. Study on direct alcohol/ether fuel synthesis process in bubble column slurry reactor[J]. Front Chem Eng Chin, 2010, 4(4): 461-471.

URL:

https://academic.hep.com.cn/fcse/EN/10.1007/s11705-010-0517-6
https://academic.hep.com.cn/fcse/EN/Y2010/V4/I4/461

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