Journal
JOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume 63, Issue 5, Pages 1212-1219Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jced.7b00821
Keywords
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Funding
- Nation Natural Science Foundation of China [51576171]
- Department Project of Technology Office in Zhejiang [2016F50053]
- Visiting Scholar Foundation of Key Lab. Of in Chongqing University [LLEUTS- 201510]
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The vapor-liquid equilibria (VLE) data of R1234yf + NMP and R1234yf + DMETrEG were measured at the temperature range of 293.15353.15 K in a dual cycle experimental apparatus. The thermodynamic consistency of the VLE data was checked with an area test. The VLE data were correlated by the nonrandom two-liquid model, and the results showed that they had a good agreement. The average relative deviation of pressure for R1234yf + DMETrEG was within 1.37% and its maximum was 3.51%; the average relative deviation of pressure for R1234yf + NMP was within 1.43% and its maximum was 3.65%. The results still showed that there was a large positive deviation between the binary system R1234yf + NMP and Raouls law, and the system R1234yf + DMETrEG exhibited a slight positive deviation to the ideal solution.
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