High Efficiency Disperse Dryer - an innovative process for drying of solutions, suspensions and pastes in a fluidized bed of inert particles

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Objavljeno: 2019-09-02
DOI: https://doi.org/10.2298/HEMIND190626021D
Ključne reči:
powder, particle size, evaporation rate, specific heat consumption

Glavni sadržaj članka

Mihal M. Đuriš
Scientific Institution-Institute of Chemistry, Technology and Metallurgy-National Institute, Department for Catalysis and Chemical Engineering, University of Belgrade, Njegoševa 12, Belgrade
https://orcid.org/0000-0002-1585-7707
Tatjana S. Kaluđerović Radoičić
2Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade
Darko R. Jaćimovski
Scientific Institution-Institute of Chemistry, Technology and Metallurgy-National Institute, Department for Catalysis and Chemical Engineering, University of Belgrade, Njegoseva 12, Belgrade
Zorana Lj. Arsenijević
Scientific Institution-Institute of Chemistry, Technology and Metallurgy-National Institute, Department for Catalysis and Chemical Engineering, University of Belgrade, Njegoseva 12, Belgrade

Apstrakt

In this paper, an innovative fluidized bed dryer with inert particles is presented. The system can be used for drying of solutions, suspensions and pastes in order to obtain a powdered product. The experiments were performed in a pilot-scale dryer with a cylindrical column 0.215 m in diameter and 1.2 mm height, with glass spheres as inert particles. The material used for drying was CuSO4 solution. The effects of operating conditions on the dryer throughput and product quality were investigated. Main performance criteria, i.e. specific water evaporation rate, specific heat consumption and specific air consumption, were quantified. Nearly isothermal conditions were found due to thorough mixing of the particles. The energy efficiency of the dryer was also assessed. Simple heat and mass balances predicted the dryer performance quite well.

Detalji članka

Broj časopisa

God. 73 Br. 4 (2019)

Rubrika

Hemijsko inženjerstvo - Opšte

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Kako citirati

[1]
M. M. Đuriš, T. S. Kaluđerović Radoičić, D. R. Jaćimovski, and Z. L. Arsenijević, “High Efficiency Disperse Dryer - an innovative process for drying of solutions, suspensions and pastes in a fluidized bed of inert particles”, Hem Ind, vol. 73, no. 4, pp. 213–222, Sep. 2019, doi: 10.2298/HEMIND190626021D.
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