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Process and apparatus for slaking lime and dissolving scale

DC
  • US 9,856,166 B2
  • Filed: 05/04/2015
  • Issued: 01/02/2018
  • Est. Priority Date: 03/05/2010
  • Status: Active Grant
First Claim
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1. A lime slaking system that comprises any of:

  • (a) a lime slaker in which lime and water are provided to produce an exothermic reaction resulting in a SLS;

    (b) a slurry aging tank for receiving SLS from the lime slaker; and

    (c) a grit separation device for receiving SLS and separating grit particles therefrom;

    wherein any of the slaker aging tank and grit separation device have liquid level(s) therein, the system including means for dissolving scale on interior surfaces of any of the slaker, aging tank grit separation device, piping and dosing sub-systems including an acid inlet opening into the system and means for introducing rinse water into any of the lime slaker, aging tank and grit separation device above the liquid level(s).

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