Abstract
The present invention relates to a method for recovery of high purity calcium phosphate from waste waters. In particular, the present invention relates to precipitation of dibasic calcium phosphate dihydrate (DCPD) or hydroxyapatite (HAp). The DCPD and HAp obtained by the method complies with the European Commission Regulation No 231/2012 laying down specifications for food additives. Thus, the high purity calcium phosphate obtained by the method of the invention may be suitable for use in the food industry.
| Original language | English |
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| IPC | C01B25/32,C02F1/66,C02F1/72 |
| Patent number | WO2019057984A1 |
| Filing date | 25/09/2018 |
| Country/Territory | Denmark |
| Priority date | 25/09/2017 |
| Priority number | EP17192930A |
| Publication status | Published - 28. Mar 2019 |