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As a developing country, currently the energy demand in Indonesia increases rapidly.Although Indonesia has a huge of oil reserves the production of oil fuels as the mainÂ energy consumption has not been enough and should be imported. It is devised toÂ substitute oil fuel with other resources such as liquefied coal, natural gas, biofuelsÂ and dimethyl ether (DME). In the short future, the use of DME as an alternative fuelÂ appears to be a promising approach for reducing the uses of diesel oil and LPG. It canÂ be described in to two approaches. First, due to the high cetane number of DME, itÂ can be used for compression ignition engines which have higher thermal efficienciesÂ compared to spark ignition engines. Second, due to the physical properties of DME, itÂ can substitute oil fuels and LPG uses in industries, commercials, and households forÂ lighting and cooking. Hence, DME production is not limited to one feedstock. DME can
be derived from fossil fuel feedstocks, including natural gas and coal, as well as fromÂ renewable feedstock sources such as biomass. Since Indonesia have abundant ofÂ energy sources as DME raw material, such as natural gas, coal and biomass, utilizationÂ of DME into Indonesia energy system is necessary to be developed.
Key words :Energy Potential, Dimethyl Ether, Diesel Oil and LPG Substitution
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