Determination of the metastable ice zone for a sodium sulphate system

D. G. Randall; J. Nathoo; F. E. Genceli-Güner; H. J.M. Kramer; G. J. Witkamp; A. E. Lewis

doi:10.1016/j.ces.2011.12.022

Determination of the metastable ice zone for a sodium sulphate system

D. G. Randall^*
, J. Nathoo
, F. E. Genceli-Güner
, H. J.M. Kramer
, G. J. Witkamp
, A. E. Lewis

^*Bu çalışma için yazışmadan sorumlu yazar

University of Cape Town
Research and Development Department
Delft University of Technology

Araştırma çıktısı: Dergi yayını › Makale › Hakemli

23 Atıf (Scopus)

Özet

The crystallisation of ice from a 1. wt% sodium sulphate solution was investigated at different cooling rates and solution volumes in order to determine the metastable zone (MSZ) for the system. The results from this study showed that there was a large variation in nucleation temperatures, thus confirming the stochastic nature of nucleation. The results also showed that the width of the MSZ was independent of solution volumes greater than 250. mL. The nucleation temperatures for smaller solution volumes showed a greater spread than the larger solution volumes. The smallest MSZW for a 1. wt% sodium sulphate solution (1.8. mL volume) was 2.6 °C for a cooling rate of 2 °C/h, 2.8 °C for a cooling rate of 4 °C/h and 4.8 °C for a cooling rate of 8 °C/h.

Orijinal dil	İngilizce
Sayfa (başlangıç-bitiş)	184-188
Sayfa sayısı	5
Dergi	Chemical Engineering Science
Hacim	77
DOI'lar	https://doi.org/10.1016/j.ces.2011.12.022
Yayın durumu	Yayınlandı - 30 Tem 2012
Harici olarak yayınlandı	Evet

Finansman

We would like to thank the Max & Lillie Sonnenberg Scholarship for funding the research trip, Avantium for extending the use of the Cystal16 TM and the University of Cape Town for financial support.

Finansörler
Max & Lillie Sonnenberg Scholarship
University of Cape Town

Belgeye Erişim

10.1016/j.ces.2011.12.022

Diğer Dosyalar ve Linkler

Link to publication in Scopus

Alıntı Yap

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title = "Determination of the metastable ice zone for a sodium sulphate system",

abstract = "The crystallisation of ice from a 1. wt\% sodium sulphate solution was investigated at different cooling rates and solution volumes in order to determine the metastable zone (MSZ) for the system. The results from this study showed that there was a large variation in nucleation temperatures, thus confirming the stochastic nature of nucleation. The results also showed that the width of the MSZ was independent of solution volumes greater than 250. mL. The nucleation temperatures for smaller solution volumes showed a greater spread than the larger solution volumes. The smallest MSZW for a 1. wt\% sodium sulphate solution (1.8. mL volume) was 2.6 °C for a cooling rate of 2 °C/h, 2.8 °C for a cooling rate of 4 °C/h and 4.8 °C for a cooling rate of 8 °C/h.",

keywords = "Crystallisation, Kinetics, Metastable zone width, Nucleation, Sodium sulphate, Thermodynamics",

author = "Randall, \{D. G.\} and J. Nathoo and Genceli-G{\"u}ner, \{F. E.\} and Kramer, \{H. J.M.\} and Witkamp, \{G. J.\} and Lewis, \{A. E.\}",

year = "2012",

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doi = "10.1016/j.ces.2011.12.022",

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journal = "Chemical Engineering Science",

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TY - JOUR

T1 - Determination of the metastable ice zone for a sodium sulphate system

AU - Randall, D. G.

AU - Nathoo, J.

AU - Genceli-Güner, F. E.

AU - Kramer, H. J.M.

AU - Witkamp, G. J.

AU - Lewis, A. E.

PY - 2012/7/30

Y1 - 2012/7/30

N2 - The crystallisation of ice from a 1. wt% sodium sulphate solution was investigated at different cooling rates and solution volumes in order to determine the metastable zone (MSZ) for the system. The results from this study showed that there was a large variation in nucleation temperatures, thus confirming the stochastic nature of nucleation. The results also showed that the width of the MSZ was independent of solution volumes greater than 250. mL. The nucleation temperatures for smaller solution volumes showed a greater spread than the larger solution volumes. The smallest MSZW for a 1. wt% sodium sulphate solution (1.8. mL volume) was 2.6 °C for a cooling rate of 2 °C/h, 2.8 °C for a cooling rate of 4 °C/h and 4.8 °C for a cooling rate of 8 °C/h.

AB - The crystallisation of ice from a 1. wt% sodium sulphate solution was investigated at different cooling rates and solution volumes in order to determine the metastable zone (MSZ) for the system. The results from this study showed that there was a large variation in nucleation temperatures, thus confirming the stochastic nature of nucleation. The results also showed that the width of the MSZ was independent of solution volumes greater than 250. mL. The nucleation temperatures for smaller solution volumes showed a greater spread than the larger solution volumes. The smallest MSZW for a 1. wt% sodium sulphate solution (1.8. mL volume) was 2.6 °C for a cooling rate of 2 °C/h, 2.8 °C for a cooling rate of 4 °C/h and 4.8 °C for a cooling rate of 8 °C/h.

KW - Crystallisation

KW - Kinetics

KW - Metastable zone width

KW - Nucleation

KW - Sodium sulphate

KW - Thermodynamics

UR - https://www.scopus.com/pages/publications/84862878317

U2 - 10.1016/j.ces.2011.12.022

DO - 10.1016/j.ces.2011.12.022

M3 - Article

AN - SCOPUS:84862878317

SN - 0009-2509

VL - 77

SP - 184

EP - 188

JO - Chemical Engineering Science

JF - Chemical Engineering Science

ER -

Determination of the metastable ice zone for a sodium sulphate system

Özet

Finansman

Belgeye Erişim

Diğer Dosyalar ve Linkler

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