Modelling-based Optimisation of the Direct Synthesis of Dimethyl Ether from Syngas in a Commercial Slurry Reactor

Sadegh Papari; Mohammad Kazemeini; Moslem Fattahi

doi:10.1016/S1004-9541(13)60505-4

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Modelling-based Optimisation of the Direct Synthesis of Dimethyl Ether from Syngas in a Commercial Slurry Reactor

催化、动力学与反应工程 | Updated：2026-01-06

- Modelling-based Optimisation of the Direct Synthesis of Dimethyl Ether from Syngas in a Commercial Slurry Reactor
- Chinese Journal of Chemical Engineering Issue 6, (2013)
- Affiliations：
  
  Department of Chemical and Petroleum Engineering, Sharif University of Technology, Azadi Avenue 11365-9465, Tehran,Iran
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60505-4
  CLC：
- Published：2013
- Accepted：
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Sadegh Papari, Mohammad Kazemeini, Moslem Fattahi. Modelling-based Optimisation of the Direct Synthesis of Dimethyl Ether from Syngas in a Commercial Slurry Reactor[J]. Chinese Journal of Chemical Engineering, 2013, (6).
DOI：

Sadegh Papari, Mohammad Kazemeini, Moslem Fattahi. Modelling-based Optimisation of the Direct Synthesis of Dimethyl Ether from Syngas in a Commercial Slurry Reactor[J]. Chinese Journal of Chemical Engineering, 2013, (6). DOI： 10.1016/S1004-9541(13)60505-4.

摘要

Abstract

In the present study

we developed a multi-component one-dimensional mathematical model for simulation and optimisation of a commercial catalytic slurry reactor for the direct synthesis of dimethyl ether (DME) from syngas and CO

operating in a churn-turbulent regime. DME productivity and CO conversion were optimised by tuning operating conditions

such as superficial gas velocity

catalyst concentration

catalyst mass over molar gas flow rate (W/F)

syngas composition

pressure and temperature. Reactor modelling was accomplished utilising mass balance

global kinetic models and heterogeneous hydrodynamics. In the heterogeneous flow regime

gas was distributed into two bubble phases: small and large. Simulation results were validated using data obtained from a pilot plant. The developed model is also applicable for the design of large-scale slurry reactors.

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