DE69200021D1 - Verfahren zur Reinigung von durch Nitrationen verunreinigten wässrigen Lösungen. - Google Patents

Verfahren zur Reinigung von durch Nitrationen verunreinigten wässrigen Lösungen.

Info

Publication number
DE69200021D1
DE69200021D1 DE92420007T DE69200021T DE69200021D1 DE 69200021 D1 DE69200021 D1 DE 69200021D1 DE 92420007 T DE92420007 T DE 92420007T DE 69200021 T DE69200021 T DE 69200021T DE 69200021 D1 DE69200021 D1 DE 69200021D1
Authority
DE
Germany
Prior art keywords
calcium
aqueous solutions
nitrate
nitrate ions
molar ratio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE92420007T
Other languages
English (en)
Other versions
DE69200021T2 (de
Inventor
Jean-Pierre Letourneux
Alain Bourdeau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAFARGE FONDU INTERNATIONAL NEUILLY SUR SEINE FR
Imerys Aluminates SA
Original Assignee
LAFARGE FONDU INTERNATIONAL NEUILLY SUR SEINE FR
Lafarge Fondu International SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LAFARGE FONDU INTERNATIONAL NEUILLY SUR SEINE FR, Lafarge Fondu International SA filed Critical LAFARGE FONDU INTERNATIONAL NEUILLY SUR SEINE FR
Application granted granted Critical
Publication of DE69200021D1 publication Critical patent/DE69200021D1/de
Publication of DE69200021T2 publication Critical patent/DE69200021T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/163—Nitrates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Fertilizers (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
DE69200021T 1991-01-08 1992-01-08 Verfahren zur Reinigung von durch Nitrationen verunreinigten wässrigen Lösungen. Expired - Fee Related DE69200021T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9100260A FR2671340B1 (fr) 1991-01-08 1991-01-08 Procede de separation des ions nitrates en solution.

Publications (2)

Publication Number Publication Date
DE69200021D1 true DE69200021D1 (de) 1993-12-16
DE69200021T2 DE69200021T2 (de) 1994-06-01

Family

ID=9408597

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69200021T Expired - Fee Related DE69200021T2 (de) 1991-01-08 1992-01-08 Verfahren zur Reinigung von durch Nitrationen verunreinigten wässrigen Lösungen.

Country Status (15)

Country Link
EP (1) EP0494836B1 (de)
JP (1) JPH0557289A (de)
AT (1) ATE97115T1 (de)
CA (1) CA2058841A1 (de)
CZ (1) CZ3392A3 (de)
DE (1) DE69200021T2 (de)
ES (1) ES2048609T3 (de)
FR (1) FR2671340B1 (de)
HU (1) HU9200067D0 (de)
IE (1) IE920042A1 (de)
MX (1) MX9200045A (de)
NZ (1) NZ241236A (de)
PL (1) PL293108A1 (de)
SK (1) SK3392A3 (de)
YU (1) YU692A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2088749B1 (es) * 1995-01-13 1997-03-01 Pitarch Dionisio Mulet Instalacion depuradora de residuos porcinos y similares.
FR2826887B3 (fr) * 2001-07-09 2003-09-05 Sagace Traitement de stabilisation des refiom, ou autres dechets et sous prooduits industriels speciaux analogues
FR2826886B1 (fr) * 2001-07-09 2003-09-26 Sagace Traitement de stabilisation des refiom, et autres dechets ou sous produits industriels speciaux analogues
CN105481071B (zh) * 2016-01-08 2018-01-23 天津理工大学 一种含有高浓度硝酸钠和/或硝酸钾水溶液的除盐方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3711356A1 (de) * 1987-04-02 1988-10-20 Hoelter Heinz Verfahren zur herstellung eines duengemittels

Also Published As

Publication number Publication date
FR2671340B1 (fr) 1994-05-20
ES2048609T3 (es) 1994-03-16
DE69200021T2 (de) 1994-06-01
ATE97115T1 (de) 1993-11-15
NZ241236A (en) 1993-10-26
IE920042A1 (en) 1992-07-15
JPH0557289A (ja) 1993-03-09
EP0494836B1 (de) 1993-11-10
CZ3392A3 (en) 1993-04-14
FR2671340A1 (fr) 1992-07-10
CA2058841A1 (fr) 1992-07-09
SK3392A3 (en) 1993-12-08
YU692A (sh) 1994-06-10
MX9200045A (es) 1992-08-01
HU9200067D0 (en) 1992-04-28
EP0494836A1 (de) 1992-07-15
PL293108A1 (en) 1992-09-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee