Zadržavanje materijala na inertnim česticama prilikom sušenja u fluidizovanom sloju Naučni rad

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Mihal Đuriš
Zorana Arsenijević
https://orcid.org/0000-0003-4737-2402
Tatjana Kaluđerović Radoičić
https://orcid.org/0000-0003-4294-0343

Apstrakt

U ovom radu ispitivan je uticaj procesnih parametara na zadržavanje materijala (engl. hold-up) u sušnici sa fluidizovanim slojem inertnih čestica. Eksperimenti su izvedeni u pilot postrojenju sa cilindričnom kolonom za sušenje prečnika 0,215 m i visine 1,2 m, uz korišćenje staklenih sfera prečnika 1,20 mm i 1,94 mm kao inertnih čestica. Materijal korišćen za sušenje je bila suspenzija NaHCO3 dve različite koncentracije, 10 i 20 mas.%. Eksperimentalno je ispitana dinamika formiranja sloja materijala na inertnim česticama za četiri različite temperature sušenja, koje su se kretale od 60 do 120 °C, uzimanjem uzoraka obloženih čestica tokom procesa sušenja i merenjem njihove mase sa i bez formiranog filma materijala. Dobijeni rezultati su pokazali da postoji izražena zavisnost zadržavanja materijala od koncentracije suspenzije, kao i od temperature sušenja. Zadržavanje materijala se povećava sa povećanjem koncentracije suspenzije, a takođe i sa povećanjem temperature sušenja. Brzina formiranja filma materijala na inertnim česticama je veća na višim temperaturama sušenja.

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Rubrika

Višefazni sistemi u hemijskom inženjerstvu

Kako citirati

[1]
M. Đuriš, Z. Arsenijević, and T. Kaluđerović Radoičić, “Zadržavanje materijala na inertnim česticama prilikom sušenja u fluidizovanom sloju: Naučni rad”, Hem Ind, vol. 78, no. 3, pp. 135–145, Sep. 2024, doi: 10.2298/HEMIND230630014D.

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Reference

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