A process for the production of a fly ash slurry

Details A process for the production of a fly ash slurry A process for the production of a fly ash slurry

B - Operations, Transporting

01

F

B01F 3/12 (2006.01) B09B 1/00 (2006.01) C04B 18/08 (2006.01) C04B 40/00 (2006.01) C10L 1/32 (2006.01)

Patent

CA 2442426

The present invention describes an improved method for forming fly ash slurry by mixing fly ash and water with an additive containing 0.5 -2 wt % ammonium salt of humic acid and 0.03 to 0.05 wt % tannin extract. The product slurry does not require large amount of water for transport to storage space due to its enhanced viscosity and stability.

L'invention concerne un procédé amélioré de production de suspension de cendres volantes, qui consiste à mélanger des cendres volantes et de l'eau avec un additif renfermant entre 0,5 et 2 %, en poids, de sel d'ammonium d'acide humique, et entre 0,03 et 0,05 %, en poids, d'extrait de tanin. Ce type de produit ne nécessite pas de quantités d'eau importantes pour le transport vers le lieu de stockage, en raison de sa viscosité et de sa stabilité.

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