Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product
The present invention relates to a process for the production of precipitated calcium carbonate from a calcium carbonate-rich by-product generated in an industrial process, specifically, a by-product generated by a nitrophosphate plant in the fertilizer industry. An environmentally friendly process...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention relates to a process for the production of precipitated calcium carbonate from a calcium carbonate-rich by-product generated in an industrial process, specifically, a by-product generated by a nitrophosphate plant in the fertilizer industry.
An environmentally friendly process for the production of precipitated calcium carbonate suitable for industrial application from a calcium carbonate-rich by-product of a nitrophosphate fertilizer plant. The process employs purification steps of calcination, carbonation and optional treatment with an emulsion of fatty acid or fatty acid derivatives. |
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