C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 13/14 (2006.01)
Patent
CA 2618137
A method is shown for controlling the presence of soluble sulfate ions in a lime slaking operation in which a source of quicklime is combined with slaking water to form calcium hydroxide product. A complexing agent is added to either the quicklime or the slaking water which is effective to tie up the soluble sulfate ions otherwise available in solution, whereby the agglomeration of calcium hydroxide product is acceptably controlled.
La présente invention concerne un procédé de limitation de la présence des ions sulfate solubles dans une opération d'extinction de la chaux dans laquelle une source de chaux vive est combinée à de l'eau d'extinction pour former un produit hydroxyde de calcium. Un agent complexant est ajouté soit à la chaux vive soit à l'eau d'extinction pour grouper efficacement les ions sulfate solubles présents dans la solution, ce qui a pour effet de limiter de manière acceptable l'agglomération du produit hydroxyde de calcium.
Chemical Lime Company
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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