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Oilfield brine extracted with hydrocarbons is often considered as a problematic waste. The typical management option for this produced water is reinjection into the formation to maintain the reservoir pressure (or just for disposal). High salinity of produced water is on the one hand a drawback, but on the other hand an advantage because it can be used as a raw material for the production of valuable chemicals. In this paper a freezing-thawing desalination method was tested to obtain partially desalted water and c...