| PATENT ASSIGNEE'S COUNTRY | Canada |
| UPDATE | 07.00 |
| PATENT ASSIGNEE | Alcan International |
| PATENT CLAIMS |
Contacting alkaline soln with - Slowly stirred dense bed of particles comprising coarse silica sand or a mixt of coarse silica sand & SODALITE particles thereby precipitating dissolved silica out of soln to form a precipitation of desilification prodt dispersed in the soln & - separating the solids desilification prodt from the alkaline soln to obtain a desilicated alkaline soln |
| PATENT PHOTOCOPY | Available on request |
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