Kinetic Modeling of Permeates Flux and Total Hydraulic Resistance of Camel Milk Ultrafiltration: Effect of Transmembrane Pressure and Temperature

Document Type : Research Paper

Authors

1 PhD student, Department of Food Science and Technology, Faculty of Agriculture, , Ferdowsi University of Mashhad, Mashhad, Iran

2 Academic member,, Department of Food Science and Technology, Ferdowsi University of Mashhad, Mashhad, Iran

Abstract

ABSTRACT: In this study, kinetic modeling of permeates flux and total hydraulic resistance of camel milk ultrafiltration in different conditions of transmembrane pressure (TMP, 80-160 kPa) and temperature (T, 20-40 oC) was performed by six kinetic models and finally, the homographic kinetic model for modeling the permeate flux and exponential kinetic model for modeling the total hydraulic resistance considering R2 and RMSE values have been selected and their parameters were studied. The results of ANOVA of homographic kinetic model illustrated that the linear effect of transmembrane pressure on all model parameters (initial flux (J0), steady-state flux (J∞), flux decline time constant (I/b) and flux decline extent (a)) and the interaction effects of transmembrane pressure -temperature at a 95% level on the J0 and I/b were significant. The results of ANOVA of exponential kinetic model also showed that the linear effect of transmembrane pressure had a significant effect on all exponential kinetic model parameters (initial hydraulic resistance (R0), steady-state hydraulic resistance (R∞) and resistance increment rate (k)) at 95% level. Also, the linear effect of temperature and the interaction effects of transmembrane pressure -temperature at a 95% level on the k parameter were significant.

Keywords

References

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Iranian Journal of Biosystems Engineering
Volume 52, Issue 3
September 2021
Pages 435-450

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History

  • Receive Date: 15 December 2020
  • Revise Date: 17 February 2021
  • Accept Date: 14 March 2021

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