Process for preparing dimethyl ether from crude methanol

• Main Authors: LEE, GYU HO, JUN, GI WON, NOH, HYEON SEOK
• Format: Patent
• Language: English; Korean
• Published: 18.06.2004
• Edition: 7
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; APPARATUS THEREFOR; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; GENERAL METHODS OF ORGANIC CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

PURPOSE: A method for preparing dimethyl ether from unrefined methanol is provided, to obtain dimethyl ether with a high yield without generation of hydrocarbon by-products. CONSTITUTION: The method comprises the step dehydrating the unrefined methanol containing moisture in the presence of a cataly...