Pump Material Selection Guide: NaOH Sodium …

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discharged, energizing the caustic transfer pump to meter a controlled quantity of NaOH. Make-up water is then added to maintain the sump at its preset level. A similar Gaylord scrubber design for the foundry industry uses a sulphuric acid-based scrubbing solution. Since the pump materials are inert to both the acid and caustic, the same pumps

  Caustic, Scrubber