Method and apparatus for manufacturing of a calcium carbonate product, the product and its use

Method and apparatus for manufacturing of a calcium carbonate product, the product and its use

  • CN 101,027,253 A
  • Filed: 07/05/2005
  • Published: 08/29/2007
  • Est. Priority Date: 07/13/2004
  • Status: Active Application
First Claim
Patent Images

1. One kind one or several successive precipitation reactor (10,10 '"'"', 10 ", 10 

  • ) in preparation comprise the method for calcium carbonate product of little calcium carbonate granule, described method comprises;

    -in order to prepare sedimentary calcium carbonate granule, in comprising carbonic acid gas and the gas in precipitation reactor, add and drip and/or the calcium hydroxide (Ca (OH) of particle form 2) or other corresponding C a ++Ion source is characterized in that -by according to the operate of pin rod pulverizer and be installed in the reactor or the decomposition that links to each other with reactor and spraying plant (14,44) add calcium hydroxide or other corresponding C a in precipitation reactor ++The source, wherein -keep temperature in the precipitation reactor less than 65 ℃

    , preparation is by the basic permanent isolating calcium carbonate product that forms less than the small sized particles of 100nm.

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