JP2780222B2 - 亜硝酸塩および／または硝酸塩含有水から亜硝酸塩および／または硝酸塩含量を除去するかまたは減少させるための連続的に実施しうる方法ならびに触媒および装置 - Google Patents

亜硝酸塩および／または硝酸塩含有水から亜硝酸塩および／または硝酸塩含量を除去するかまたは減少させるための連続的に実施しうる方法ならびに触媒および装置

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Publication number
JP2780222B2
JP2780222B2 JP1233085A JP23308589A JP2780222B2 JP 2780222 B2 JP2780222 B2 JP 2780222B2 JP 1233085 A JP1233085 A JP 1233085A JP 23308589 A JP23308589 A JP 23308589A JP 2780222 B2 JP2780222 B2 JP 2780222B2
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JP
Japan
Prior art keywords
water
catalyst
nitrate
nitrite
pore size
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Expired - Lifetime
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JP1233085A
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English (en)
Japanese (ja)
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JPH02111495A (ja
Inventor
クラウス‐デイーター・フオアロープ
トーマス・タツケ
ミヒヤエル・ゼル
ギユンター・シユトラウス
Original Assignee
ゾルファイ ウムヴェルトヒェシーゲゼルシヤフト シット ベシュレンクテル ハフッング
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Publication of JPH02111495A publication Critical patent/JPH02111495A/ja
Application granted granted Critical
Publication of JP2780222B2 publication Critical patent/JP2780222B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Materials 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)
JP1233085A 1988-09-10 1989-09-11 亜硝酸塩および／または硝酸塩含有水から亜硝酸塩および／または硝酸塩含量を除去するかまたは減少させるための連続的に実施しうる方法ならびに触媒および装置 Expired - Lifetime JP2780222B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3830850.9 1988-09-10
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
JPH02111495A JPH02111495A (ja) 1990-04-24
JP2780222B2 true JP2780222B2 (ja) 1998-07-30

Family

ID=6362708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1233085A Expired - Lifetime JP2780222B2 (ja) 1988-09-10 1989-09-11 亜硝酸塩および／または硝酸塩含有水から亜硝酸塩および／または硝酸塩含量を除去するかまたは減少させるための連続的に実施しうる方法ならびに触媒および装置

Country Status (9)

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

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Also Published As

Publication number Publication date
ES2032087T3 (es) 1993-01-01
DK443689A (da) 1990-07-13
US5122496A (en) 1992-06-16
DE58901484D1 (de) 1992-06-25
CA1335668C (en) 1995-05-23
JPH02111495A (ja) 1990-04-24
GR3004843T3 (enExample) 1993-04-28
ATE76390T1 (de) 1992-06-15
US4990266A (en) 1991-02-05
EP0359074B1 (de) 1992-05-20
EP0359074A1 (de) 1990-03-21
DE3830850A1 (de) 1990-03-22
DK443689D0 (da) 1989-09-08

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