Comparison of CO2 Removal Capabilities among Rectisolⓡ, SelexolTM, and Purisolⓡ Process for DME Synthesis and Separation Process 


Vol. 23,  No. 3, pp. 237-247, Sep.  2017
10.7464/ksct.2017.23.3.237


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  Abstract

In the dimethyl ether (DME) synthesis and separation process, over 8% by mole of CO2 is fed to the DME synthesis reactor which lowers DME productivity. Therefore, this work focused on the removal of CO2 using three kinds of processes withphysical absorbents by comparing the utility consumption through computer simulation of each process. Among the processes selected for comparison are Rectisolⓡ process using methanol, Purisolⓡ process using n-methyl pyrrolidone (NMP), and SelexolTM process using dimethyl ethers of polyethylene glycol (DEPG) as a solvent. As a result of this study, it was concluded that Purisolⓡ process consumes the least energy followed by SelexolTM process. Therefore, it is considered that Purisolⓡ process is the most suitable method to absorb CO2 contained in the feed of DME synthesis reactor.

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  Cite this article

[IEEE Style]

N. JH, P. HK, K. DS, J. JH, "Comparison of CO2 Removal Capabilities among Rectisolⓡ, SelexolTM, and Purisolⓡ Process for DME Synthesis and Separation Process," Clean Technology, vol. 23, no. 3, pp. 237-247, 2017. DOI: 10.7464/ksct.2017.23.3.237.

[ACM Style]

Noh JH, Park HK, Kim DS, and Jo JH. 2017. Comparison of CO2 Removal Capabilities among Rectisolⓡ, SelexolTM, and Purisolⓡ Process for DME Synthesis and Separation Process. Clean Technology, 23, 3, (2017), 237-247. DOI: 10.7464/ksct.2017.23.3.237.

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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