PROCESS FOR REMOVING AMMONIAC FROM EFFLUENTS

PROCESS FOR REMOVING AMMONIAC FROM EFFLUENTS

2073505 9209531 PCTABS00130 L'invention concerne l'élimination de l'ammoniaque, ou de l'ammoniaque et des phosphates des eaux résiduaires industrielles, agricoles ou ménagères par précipitation sous forme de phosphate ammoniaco-magnésien à l'aide d'un réactif liquide re...

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Hauptverfasser: HORNY, PATRICK, LADOUSSE, ALAIN
Format: Patent
Sprache:eng ; fre
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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LADOUSSE, ALAIN
description 2073505 9209531 PCTABS00130 L'invention concerne l'élimination de l'ammoniaque, ou de l'ammoniaque et des phosphates des eaux résiduaires industrielles, agricoles ou ménagères par précipitation sous forme de phosphate ammoniaco-magnésien à l'aide d'un réactif liquide renfermant des ions magnésium et phosphate et un acide. 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.
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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. 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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. 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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title PROCESS FOR REMOVING AMMONIAC FROM EFFLUENTS
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