Process for transforming dolomite into phosphate-based compounds
MA66600B1Active Publication Date: 2026-06-30UNIV MOHAMMED VI POLYTECHNIQUE
Patent Information
- Authority / Receiving Office
- MA · MA
- Patent Type
- Patents
- Current Assignee / Owner
- UNIV MOHAMMED VI POLYTECHNIQUE
- Filing Date
- 2024-07-15
- Publication Date
- 2026-06-30
Abstract
The DOLPHOS process is a method for selectively transforming dolomite-rich waste into dicalcium phosphate, struvite, and hydroxyapatite. This process comprises the following steps:1. Dissolving the dolomite-rich waste with phosphoric acid2. Precipitating dicalcium phosphate by increasing the pH3. Removing calcium by adding ammonium sulfate4. Precipitating struvite by increasing the pH5. Precipitating hydroxyapatite by increasing the pH and adding calcium
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