THERMAL PERFORMANCE EVALUATION OF HOT OILS AND NANOFLUIDS BY SIMULATION OF AN INDIRECT HEATING PLANT

Authors

  • LIS DA SILVA OSTIGARD Federal University of Bahia, Polytechnic School, Chemical Engineering Department, Graduate Program in Chemical Engineering, Salvador, BA, Brazil
  • SILVANA MATTEDI Federal University of Bahia, Polytechnic School, Chemical Engineering Department, Graduate Program in Chemical Engineering, Salvador, BA, Brazil

DOI:

https://doi.org/10.2298/CICEQ191011023O

Keywords:

heat transfer, heat transfer fluid, hot oil, nanofluids, simulation

Abstract

This paper aims to analyze the thermal performance of four different heat transfer fluids in a hot oil system located in a paraffin hydrotreatment and fractionation plant of a petroleum refinery. The software Petro-SIM® (KBC-Yokogawa) was employed to elaborate steady-state simulations intended to compare the heat transfer fluid currently used (eutectic of biphenyl and diphe­nyl oxide) and three fluids proposed as substitutes: paraffin oil (namely n-C13+) produced in the same industrial unit, a nanofluid of eutectic of biphenyl and diphenyl oxide and copper at a 6% volume fraction, and a CuO/polydi­methyl­siloxane nanofluid at a 6% volume fraction. The results showed that n-C13+ was the only heat transfer fluid that could replace the eutectic diphenyl oxide/bi­phenyl in the system under analysis since it absorbed the heat duty of 13.79 Gcal/h, which exceeded the thermal energy of 10.57 Gcal/h absorbed by the heat transfer fluid currently used at the same operating parameters. The Cu/eutectic of biphenyl and diphenyl oxide and CuO/polydimethylsiloxane nanofluids presented lower heat duty than the energy needed for the operation of the hot oil system, which was 8.31 and 8.51 Gcal/h, respectively.

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Published

25.04.2021

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How to Cite

THERMAL PERFORMANCE EVALUATION OF HOT OILS AND NANOFLUIDS BY SIMULATION OF AN INDIRECT HEATING PLANT. (2021). Chemical Industry & Chemical Engineering Quarterly, 27(1), 45-55. https://doi.org/10.2298/CICEQ191011023O

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