Sodium hydroxide (NaOH)(caustic soda) may be utilized for chemical precipitation. due to its advantages: produces less sludge than lime, or lime-soda ash ...
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soda-ash-vs-caustic-soda-water-treatment
Caustic Soda. Caustic soda is made from soda-ash, or from the "tank liquors" directly, by adding calcium hydroxide (milk of lime) to the solution : - Na2COa ... 939c2ea5af
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