Journal article

Eutectic freeze crystallization of saline dairy effluent

GQ Chen, SL Gras, SE Kentish

Desalination | Elsevier | Published : 2020

Abstract

The disposal of saline effluent in the dairy industry is subject to increasingly strict regulatory requirements. In this work, eutectic freeze crystallization (EFC) was investigated as a mechanism for the simultaneous separation of salts and ice in a typical saline effluent, namely salty whey. Experiments were conducted using salty whey samples collected from a dairy processing facility. The eutectic point of the salty whey was determined using differential scanning calorimetry and was found to be lower than that of NaCl solutions (−24 °C for salty whey vs. −21 °C for aqueous NaCl solutions). Crystallization experiments were then used to construct the phase diagram of this dairy stream under..

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Grants

Awarded by Australian Research Council


Funding Acknowledgements

The Australian Research Council's Industrial Transformation Research Program (ITRP) funding scheme (Project Number IH120100005), The ARC Dairy Innovation Hub is a collaboration between The University of Melbourne, The University of Queensland and Dairy Innovation Australia Ltd.