VLE measurement of ternary system containing components of dimethyl oxalate, methanol and 1,2-butanediol under atmospheric pressure Article Swipe
Rongchun Shen
,
Yun Chen
,
Shi Zheng
,
Yunhai Shi
,
Jinghong Zhou
,
Wei Li
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1016/j.ctta.2025.100227
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1016/j.ctta.2025.100227
Isobaric vapor-liquid Equilibrium (VLE) data for dimethyl oxalate + methanol and methanol + 1,2-butanediol binary systems, as well as the VLE for dimethyl oxalate + methanol + 1,2-butanediol ternary system have been determined using an Ellis equilibrium distiller at 101.325 kPa. The vapor pressure of 1,2-butanol was measured with a Rose equilibrium apparatus under pressure of 0.34 kPa to atmospheric pressure. The thermodynamic consistency tests of the two binary experimental VLE data for dimethyl oxalate + methanol and methanol + 1,2-butanediol were performed according to a statistical method. The two binary experimental data were correlated by the Wilson, non-random two-liquid (NRTL) and universal quasi-chemical (UNIQUAC) activity coefficient models integrated in the authorized Aspen Plus software with the maximum average absolute deviations of 1.42 K for temperature and 0.0153 for vapor phase composition, the binary component interaction parameters were also obtained by this regression. On the basis of these calculated results, the corresponding binary interaction parameters of the dimethyl oxalate and 1,2-butanediol was then regressed from experimental ternary (dimethyl oxalate + methanol +1,2-butanediol) VLE data. These experimental and calculated data are valuable for the separation process design and optimization of dimethyl oxalate hydrogenation to ethylene glycol.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1016/j.ctta.2025.100227
- OA Status
- gold
- References
- 35
- OpenAlex ID
- https://openalex.org/W4414715390
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https://openalex.org/W4414715390Canonical identifier for this work in OpenAlex
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https://doi.org/10.1016/j.ctta.2025.100227Digital Object Identifier
- Title
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VLE measurement of ternary system containing components of dimethyl oxalate, methanol and 1,2-butanediol under atmospheric pressureWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
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2025Year of publication
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2025-10-01Full publication date if available
- Authors
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Rongchun Shen, Yun Chen, Shi Zheng, Yunhai Shi, Jinghong Zhou, Wei LiList of authors in order
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https://doi.org/10.1016/j.ctta.2025.100227Publisher landing page
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://doi.org/10.1016/j.ctta.2025.100227Direct OA link when available
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0Total citation count in OpenAlex
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35Number of works referenced by this work
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