Assertion: sodium sulfate | /r/AtLocation | the cell feed brine
Facets:
Source sentences:
text: In such processes the sodium chloride is only partially converted to sodium hydroxide to produce a cell liquor which upon removal from the cell must be further treated for the removal of sodium chloride and impurities, such as sodium sulfate (contained in the cell feed brine), from the sodium hydroxide, preferably with concentration of the latter.