Method for removing odorous impurities from dimethyl ether

Details Method for removing odorous impurities from dimethyl ether Method for removing odorous impurities from dimethyl ether

C - Chemistry, Metallurgy

07

C

260/649.7

C07C 41/36 (2006.01) C07C 43/04 (2006.01)

Patent

CA 2018615

CH-1595 TITLE A METHOD FOR REMOVING ODOROUS IMPURITIES FROM DIMETHYL ETHER. ABSTRACT A method for removing odorous impurities (e.g. methylal and precursors thereof) involving passing the dimethyl ether through a bed of acid clay (e.g., acidified montmorillonite). A perfume grade dimethyl ether solvent can be achieved at contact times of 10 to 20 seconds at 0°C to 40°C.

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