Fremgangsmåde til fjernelse af ammoniak fra spildevand

Fremgangsmåde til fjernelse af ammoniak fra spildevand

PCT No. PCT/FR91/00932 Sec. 371 Date Jul. 22, 1992 Sec. 102(e) Date Jul. 22, 1992 PCT Filed Nov. 25, 1991 PCT Pub. No. WO92/09531 PCT Pub. Date Jun. 11, 1992.A method for removing ammonia, or ammonia and phosphates from industrial agricultural or household effluents by causing precipitation as magne...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HORNY, PATRICK, LADOUSSE, ALAIN
Format: Patent
Sprache:dan
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Zusammenfassung:PCT No. PCT/FR91/00932 Sec. 371 Date Jul. 22, 1992 Sec. 102(e) Date Jul. 22, 1992 PCT Filed Nov. 25, 1991 PCT Pub. No. WO92/09531 PCT Pub. Date Jun. 11, 1992.A method for removing ammonia, or ammonia and phosphates from industrial agricultural or household effluents by causing precipitation as magnesium ammonium phosphate by means of a liquid reagent containing magnesium and phosphate ions and an acid. The effluents have more than 1 gle of ammoniacal nitrogen and the pH is adjusted to between 9 and 11 after addition of the liquid reagent.