DK443689A - Fremgangsmaade til fjernelse eller formindskelse af nitrit- og/eller nitratindholdet i nitrit- og/eller nitratbelastet vand samt anlaeg til gennemfoerelse af fremgangsmaaden - Google Patents

Fremgangsmaade til fjernelse eller formindskelse af nitrit- og/eller nitratindholdet i nitrit- og/eller nitratbelastet vand samt anlaeg til gennemfoerelse af fremgangsmaaden

Info

Publication number
DK443689A
DK443689A DK443689A DK443689A DK443689A DK 443689 A DK443689 A DK 443689A DK 443689 A DK443689 A DK 443689A DK 443689 A DK443689 A DK 443689A DK 443689 A DK443689 A DK 443689A
Authority
DK
Denmark
Prior art keywords
nitrit
procedure
nitrate
removal
reduction
Prior art date
Application number
DK443689A
Other languages
English (en)
Other versions
DK443689D0 (da
Inventor
Klaus-Dieter Vorlop
Thomas Tacke
Michael Sell
Guenther Strauss
Original Assignee
Gutec Gmbh
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 Gutec Gmbh filed Critical Gutec Gmbh
Publication of DK443689D0 publication Critical patent/DK443689D0/da
Publication of DK443689A publication Critical patent/DK443689A/da

Links

Classifications

    • 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
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8926—Copper and noble metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/66—Pore distribution
    • B01J35/69—Pore distribution bimodal
    • 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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/166—Nitrites
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/903—Nitrogenous

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DK443689A 1988-09-10 1989-09-08 Fremgangsmaade til fjernelse eller formindskelse af nitrit- og/eller nitratindholdet i nitrit- og/eller nitratbelastet vand samt anlaeg til gennemfoerelse af fremgangsmaaden DK443689A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3830850A DE3830850A1 (de) 1988-09-10 1988-09-10 Verfahren zur entfernung des nitrit- und/oder nitratgehaltes in wasser

Publications (2)

Publication Number Publication Date
DK443689D0 DK443689D0 (da) 1989-09-08
DK443689A true DK443689A (da) 1990-07-13

Family

ID=6362708

Family Applications (1)

Application Number Title Priority Date Filing Date
DK443689A DK443689A (da) 1988-09-10 1989-09-08 Fremgangsmaade til fjernelse eller formindskelse af nitrit- og/eller nitratindholdet i nitrit- og/eller nitratbelastet vand samt anlaeg til gennemfoerelse af fremgangsmaaden

Country Status (9)

Country Link
US (2) US4990266A (da)
EP (1) EP0359074B1 (da)
JP (1) JP2780222B2 (da)
AT (1) ATE76390T1 (da)
CA (1) CA1335668C (da)
DE (2) DE3830850A1 (da)
DK (1) DK443689A (da)
ES (1) ES2032087T3 (da)
GR (1) GR3004843T3 (da)

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Also Published As

Publication number Publication date
GR3004843T3 (da) 1993-04-28
JP2780222B2 (ja) 1998-07-30
US4990266A (en) 1991-02-05
ES2032087T3 (es) 1993-01-01
DE3830850A1 (de) 1990-03-22
JPH02111495A (ja) 1990-04-24
DE58901484D1 (de) 1992-06-25
DK443689D0 (da) 1989-09-08
US5122496A (en) 1992-06-16
ATE76390T1 (de) 1992-06-15
CA1335668C (en) 1995-05-23
EP0359074A1 (de) 1990-03-21
EP0359074B1 (de) 1992-05-20

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AHB Application shelved due to non-payment