Drying of solutions and suspensions in the modified spouted bed with draft tube | Zendy

Zorana Arsenijević | Zendy; Željko Grbavčić | Zendy; Radmila GarićGrulović | Zendy

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Drying of solutions and suspensions in the modified spouted bed with draft tube

Author(s) -

Zorana Arsenijević,

Željko Grbavčić,

Radmila GarićGrulović

Publication year - 2002

Publication title -

thermal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.339

H-Index - 43

eISSN - 2334-7163

pISSN - 0354-9836

DOI - 10.2298/tsci0202047a

Subject(s) - draft tube , materials science , calcium carbonate , tube (container) , polyethylene , volumetric flow rate , turbulence , inert , composite material , chemical engineering , chromatography , mechanics , chemistry , organic chemistry , physics , engineering

A modified spouted bed dryer with inert particles was used for drying of solutions and suspensions. The effects of the operating conditions on dryer throughput and product quality were investigated. Experiments were performed in a cylindrical column 215 mm in diameter and 1150 mm in height with a draft tube 70 mm in diameter and 900 mm length. The bed was made of polyethylene particles 3.3 mm in diameter and of density of 921 kg/m3. The pesticide Cineb, inorganic compound calcium carbonate, organic compound calcium stearate, and pure water were used as feeding materials. A drying model using the continuity and momentum equations for turbulent accelerating two-phase flow and conventional rate equations is proposed and discussed. The work is relevant for estimating dryer performance

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