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A modified scaled variable reduced coordinate (SVRC)-quantitative structure property relationship (QSPR) model for predicting liquid viscosity of pure organic compounds

  • Separation Technology, Thermodynamics
  • Published:
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Abstract

Liquid viscosity is an important physical property utilized in engineering designs for transportation and processing of fluids. However, the measurement of liquid viscosity is not always easy when the materials have toxicity and instability. In this study, a modified scaled variable reduced coordinate (SVRC)-quantitative structure property relationship (QSPR) model is suggested and analyzed in terms of its performance of prediction for liquid viscosity compared to the conventional SVRC-QSPR model and the other methods. The modification was conducted by changing the initial point from triple point to ambient temperature (293 K), and assuming that the liquid viscosity at critical temperature is 0 cP. The results reveal that the prediction performance of the modified SVRC-QSPR model is comparable to the other methods as showing 7.90% of mean absolute percentage error (MAPE) and 0.9838 of R 2. In terms of both the number of components and the performance of prediction, the modified SVRC-QSPR model is superior to the conventional SVRC-QSPR model. Also, the applicability of the model is improved since the condition of the end points of the modified model is not so restrictive as the conventional SVRC-QSPR model.

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Author notes

  1. These authors contributed equally to this work.

Authors and Affiliations

  1. Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Korea

    Seongmin Lee, Kiho Park & Dae Ryook Yang

  2. ChemEssen Inc., 812, 8th Floor. AceHighTechCity 2-Cha, 25 Seonyu-ro 13-gil, Yeongdeungpo-gu, Seoul, 07282, Korea

    Yunkyung Kwon & Tae-Yun Park

Authors
  1. Seongmin Lee
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  2. Kiho Park
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  3. Yunkyung Kwon
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  4. Tae-Yun Park
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  5. Dae Ryook Yang
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Corresponding author

Correspondence to Dae Ryook Yang.

Additional information

This article is dedicated to Prof. Ki-Pung Yoo on his honorable retirement from Sogang University.

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Lee, S., Park, K., Kwon, Y. et al. A modified scaled variable reduced coordinate (SVRC)-quantitative structure property relationship (QSPR) model for predicting liquid viscosity of pure organic compounds. Korean J. Chem. Eng. 34, 2715–2724 (2017). https://doi.org/10.1007/s11814-017-0173-3

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  • DOI: https://doi.org/10.1007/s11814-017-0173-3

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