Abstract
This chapter summarized the state-of-the-art in Dimethyl Ether (DME) production through Methanol (MeOH) dehydration from commercial production plants to processes, operations, and equipment. Currently, commercial DME production plants utilize licensed technologies from Toyo Engineering Corporation (TEC), Mitsubishi Gas Chemical (MGC), ThyssenKrupp Industrial Solutions, Haldor Topsoe, and ENN. These technologies employ adiabatic or shell-tube reactors using γ-alumina catalyst for methanol dehydration. Furthermore, various process synthesis and integration strategies have been proposed to reutilize waste utilities in the dehydration process. Additionally, novel intensified designs of reactors and separators, along with their operating ranges of decision variables and control strategies, have been proposed to enhance MeOH conversion and DME yield and reduce energy consumption and production cost. The findings presented in this chapter are valuable for selecting commercial technologies, innovative designs, and appropriate operation strategies for DME production from MeOH dehydration.
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