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Most Downloaded Articles
- Micro- and Macromechanics of Hopper Discharge of Ultrafine Cohesive Powder by Tomas, Jürgen and Kache, Guido
- Effect of Chitosan Addition on NiMo/Al2O3 Catalysts for Dibenzothiophene Hydrodesulfurization by Ríos-Caloch, Guillermina/ Santes, Víctor/ Escobar, José/ Valle-Orta, Maiby/ Barrera, María C. and Hernández-Barrera, Melissa
- Fischer Tropsch Synthesis: The Promoter Effects, Operating Conditions, and Reactor Synthesis by Sarkari, Majid/ Fazlollahi, Farhad and Atashi, Hossein
- A Trickle Fixed-Bed Recycle Reactor Model for the Fischer-Tropsch Synthesis by Brunner, Kyle M./ Duncan, Joshua C./ Harrison, Luke D./ Pratt, Kyle E./ Peguin, Robson P. S./ Bartholomew, Calvin H. and Hecker, William C.
- A Comprehensive Review of Just Suspended Speed in Liquid-Solid and Gas-Liquid-Solid Stirred Tank Reactors by Jafari, Rouzbeh/ Chaouki, Jamal and Tanguy, Philippe A.
Slurry Phase Reactor Technology for DME Direct Synthesis
1Total Trading International S.A., email@example.com
2RenFud Corporation, firstname.lastname@example.org
3JFE Techno-Research Corporation, email@example.com
4JFE Engineering Corporation, firstname.lastname@example.org
5JFE Chemical Corporation, email@example.com
Citation Information: International Journal of Chemical Reactor Engineering. Volume 8, Issue 1, Pages –, ISSN (Online) 1542-6580, DOI: 10.2202/1542-6580.2267, July 2010
- Published Online:
Dimethyl ether (DME) is an innovative clean fuel that can be used in various ways in many different sectors including household, transportation, power generation, etc. In order to use DME as a fuel, it must be produced in a highly efficient manner. As part of fundamental research, a new efficient catalyst and slurry phase process for DME synthesis were developed. After testing was carried out at a pilot plant (5 tons/day), the demonstration plant (100 tons/day) project was implemented from 2002 to 2006. The conversion of DME in the slurry phase reactor is dominated by W/F (W: Charged catalyst weight, F: Gas flow rate in the reactor), regardless of reactor scale (1 kg/day 100 tons/day). The gas hold up was measured by increasing the velocity of the gas up to 40 cm/s. Within this range, gas hold up increased smoothly without any sudden change of fluid phenomena or any negative effect on the chemical reaction. There is no clear dependence of the gas hold up on the reactor diameter. The mixing diffusion coefficient in the slurry phase and the heat transfer coefficient from slurry to heat exchanger tubes were determined. Based on these data, a process simulator has been developed that predicts that commercial scale production of 3,000 tons/day can be realized by a single reactor 7m in diameter and 50m high.