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CO2 absorption enhancement by methanol-based Al2O3 and SiO2 nanofluids in a tray column absorber.

Author(s) : TORRES PINEDA I., LEE J. W., JUNG I., et al.

Type of article: Article, IJR article

Summary

In this study, suspensions of Al2O3 and SiO2 nanoparticles in methanol (nanofluid) are produced and analyzed for the application of CO2 absorption in a tray column absorber. The absorber is an acrylic tray column with twelve plates. The column is a sieve tray type which has flat perforated plates where the vapor velocity keeps the liquid from flowing down through the holes and the CO2 gas and methanol liquid are brought in contact in a counter-current flow. The test section is equipped with two mass flow meters to measure the absorption rate. The results show maximum enhanced absorption rates of 9.4 and 9.7% for Al2O3 and SiO2 particles (compared to pure methanol), respectively. It is also found that SiO2 nanoparticle is a better candidate than Al2O3 nanoparticle and 0.05 vol% of nanoparticles is an optimum condition for CO2 absorption enhancement for the present experimental conditions.

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Pages: 1402-1409

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Details

  • Original title: CO2 absorption enhancement by methanol-based Al2O3 and SiO2 nanofluids in a tray column absorber.
  • Record ID : 30004396
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 5
  • Publication date: 2012/08

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