Methanol Plant Dme Conversion Pdf

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DME, also known as dimethyl ether, is a colorless, gaseous ether with the chemical formula (CH3OCH3). It was originally developed as a replacement for CFCs to decrease greenhouse gases. DME is non-toxic and biodegradable. It can be made from methanol, coal, LPG, natural gas, or biomass, and has potential future uses as an aerosol spray propellant, solvent, and raw material for chemical products.

Technology Business

Chemistry 101

DME is an acronym for Di-Methyl Ether
Chemical formula: (CH3OCH3)
Other Names: Wood ether
Prozone
Dimethyloxide
Methyl ether

Chemistry 101

 DME is a colorless, gaseous,
simple ether that was originally
developed as a replacement
for CFC’s* in an effort to
decrease greenhouse gasses.
 DME is Non-toxic and
Biodegradable.

* Chlorinated Fluorocarbons

Chemistry 101

• DME can be
made from
Methanol, Coal,
LPG, Natural
Gas, or Biomass.

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The characteristics of a high temperature water gas shift reaction over a commercial Fe-based catalyst using syngas from waste gasification were investigated using lab equipment tests and found to be feasible for producing valuable chemical products. The CO conversion and H2/CO ratio were observed using various values for the gas hourly space velocity(GHSV), steam/CO ratio, and temperature. The CO conversion and H2/CO ratio increased with increasing temperature, increasing steam/CO ratio and decreasing SV. The CO conversion values were 32.95% and 46.84% and the H2/CO ratios were 1.8 and 2.09 with temperatures of 350 C and 400C, respectively, when the steam/CO ratio was 2.4 and SV was 458 h-1 . The H2/CO ratio and CO conversion were 1.42 and 30.14%, respectively, when the steam/CO ratio was 1.45, and increased with an increase in the steam/CO ratio. The H2/CO ratio increased to 2.36 and the CO conversion increased to 51.70% when the steam/CO ratio was 3.44. However, the increase in the CO conversion was insignificant when the steam/CO ratio was greater than 2.9.

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