Novel Process for Conversion of CO2 to Dimethyl Carbonate using Catalytic Membrane Reactors

H. J. Kuenen, H. J. Mengers, A. G.J. van der Ham, Anton A. Kiss

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    Abstract

    Dimethyl carbonate (DMC) receives much attention due to its versatile use, low toxicity and fast biodegradability. Various ‘green’ production routes are explored and developed to replace the classic and rather toxic synthesis of DMC via phosgene. The direct DMC synthesis route – from CO2 and methanol – is one of the most interesting options for the chemical industry, but this is hindered by the limited chemical equilibrium. This work describes the simulation of a novel process for DMC using PSE and PI methods. A membrane reactor plays the central role, as it continuously removes the water by-product, in order to overcome the equilibrium limitations. Aspen Plus simulations were carried out for a DMC process (20 kt/yr) and over 99 wt% purity of the DMC product. Due to the incomplete conversion in the membrane reactor, the DMC concentration in the reactor effluent is rather low hence the purification of this diluted stream leads to large recycles and requires large size equipment and a considerable amount of energy.

    Original languageEnglish
    Title of host publication26 European Symposium on Computer Aided Process Engineering, 2016
    PublisherElsevier BV
    Pages991-996
    Number of pages6
    Volume38
    ISBN (Print)9780444634283
    DOIs
    Publication statusPublished - 2016

    Publication series

    NameComputer Aided Chemical Engineering
    Volume38
    ISSN (Print)1570-7946

    Keywords

    • CO valorisation
    • membrane reactor
    • process design
    • process simulation

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