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Application of the Yoon-Nelson model and the reactor theory for packed beds on zinc uptake on clinoptilolite (CROSBI ID 566811)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Slavić, Gabrijela ; Trgo, Marina ; Rušić, Davor ; Perić, Jelena ; Vukojević Medvidović, Nediljka Application of the Yoon-Nelson model and the reactor theory for packed beds on zinc uptake on clinoptilolite // Proceedings 3rd Slovenian-Croatian Symposium on Zeolites / Tatjana Antonić Jelić ; Nataša Zabukovec Logar (ur.). Zagreb: Hrvatska zeolitna udruga (HZU), 2010. str. 85-88

Podaci o odgovornosti

Slavić, Gabrijela ; Trgo, Marina ; Rušić, Davor ; Perić, Jelena ; Vukojević Medvidović, Nediljka

engleski

Application of the Yoon-Nelson model and the reactor theory for packed beds on zinc uptake on clinoptilolite

The column method of zinc removal onto the 80 mm fixed bed depth of natural zeolite has been used. The experimental results for the breakthrough curve have been fitted to the Yoon-Nelson empirical kinetic model and excellent agreement has been observed. The modelled curve has been derived in order to define the mass transfer mechanism using the reactor theory for packed beds. It can be observed that up to the inflection point on the breakthrough curve the mass transfer through the aqueous phase governs the rate, while after the inflection point the diffusion through particles governs the overall rate. The time corresponding to the inflection increases proportionaly with the increase of bed depth. The change of bed depth does not affect the mass transfer mechanism through the bed. The results are compared with results for the system at the 40 mm zeolite bed depth.

zeolite ; zinc ; Yoon-Nelson model ; reactor theory for packed beds

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Podaci o prilogu

85-88.

2010.

objavljeno

Podaci o matičnoj publikaciji

Proceedings 3rd Slovenian-Croatian Symposium on Zeolites

Tatjana Antonić Jelić ; Nataša Zabukovec Logar

Zagreb: Hrvatska zeolitna udruga (HZU)

978-953-55373-2-8

Podaci o skupu

3rd Slovenian-Croatian Symposium on Zeolites

predavanje

16.09.2010-17.09.2010

Trogir, Hrvatska

Povezanost rada

Kemijsko inženjerstvo