Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4502
Title: A study of adsorption of water vapour on wool under static and dynamic conditions
Authors: Ülkü, Semra
Balköse, Devrim
Çağa, Tayfun
Özkan, Fehime
Ulutan, Sevgi
Ülkü, Semra
Çağa, Tayfun
Balköse, Devrim
Izmir Institute of Technology. Chemical Engineering
Keywords: Adsorption
Column dynamics
Diffusion
Water vapour
Wool
Issue Date: Jan-1998
Publisher: Springer Verlag
Source: Ülkü, S., Balköse, D., Çağa, T., Çakıcıoğlu Özkan, S. F., and Ulutan, S. (1998). A study of adsorption of water vapour on wool under static and dynamic conditions. Adsorption, 4(1), 63-73. doi:10.1023/A:1008839404382
Abstract: Adsorption of water vapour on wool provides not only textile comfort, but also convenience in transportation due to increase in its bulk density. The adsorption and desorption isotherms of water vapour for wool were determined by both volumetric technique using a Coulter Omnisorp 100CX instrument and gravimetric method employing a Cahn 2000 electronic microbalance. Adsorption isotherm fitting to B.E.T. model and hysteresis on desorption was observed. The average effective diffusion coefficient of water in wool was found to be 8.4 × 10-14 m2 s-1 at 25°C from gravimetric data. The effects of packing height and air velocity on the breakthrough curves were also investigated in the wool packed columns. For pseudo first order model, k values changing between 0.33 × 10-6 -69 × 10-6 s-1 was obtained for 2.2-6.4 cm s-1 air velocity and 0.05-0.20 m packing height ranges.
URI: http://doi.org/10.1023/A:1008839404382
http://hdl.handle.net/11147/4502
ISSN: 1572-8757
1572-8757
0929-5607
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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