发明名称 |
METHOD FOR REMOVING AND RECOVERING NUTRIENTS FROM WASTEWATER |
摘要 |
METHOD FOR REMOVING AND RECOVERING NUTRIENTS FROM WASTEWATER A method for removing and recovering ammonium and/or potassium and/or phosphate ions from wastewater is presented which comprises: - permitting said wastewater to pass through at least one bed of ion-exchange resins capable of removing selectively those nutrient ions - regenerating those ion-exchange resins with a Na Cl solution or other suitable regenerant solutions so that said nutrient ions may be obtained in a much more concentrated form - adding to said regeneration eluates (or, eventually, directly to wastewater) at least one Mg salt, in proper pH conditions so as to precipitate hydrous MgNH4PO4 and/or MgKPO4, slightly soluble salts of great agronomic value. |
申请公布号 |
CA1237832(A) |
申请公布日期 |
1988.06.07 |
申请号 |
CA19840444764 |
申请日期 |
1984.01.05 |
申请人 |
LIBERTI, LORENZO;BOARI, GIANFRANCO;PASSINO, ROBERTO |
发明人 |
LIBERTI, LORENZO;BOARI, GIANFRANCO;PASSINO, ROBERTO |
分类号 |
B01J39/00;B01J49/00 |
主分类号 |
B01J39/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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