Ecological new energy for the twenty first century: Dimethyl ether

Abstract

Dimethylether (DME) is the smallest one in the ether’s group compounds. Beinggaseous under the atmospheric condition, DME is easily liquefied under the mild compressed condition such as at 6 atm. DME is harmless for human beings and therefore it is widely used as as praying media. DME is prepared by mainly two ways, i.e., direct and indirect methods. The former is synthesized from coal gas mixture and the latter is made by dehydration of methanol synthesized from coal gas mixture. Another epock making way of preparation of DME comes from C0₂ and H₂.

DMEi s used in many fields,a mong which application to diesel fuel for trucks and cars and also for direct DME fuel cells are extremely important in the future. Since DME has much advantages,it would be the 21st century’s clean energy.