ATE245125T1 - Reduktion von nitraten - Google Patents

Reduktion von nitraten

Info

Publication number
ATE245125T1
ATE245125T1 AT98915297T AT98915297T ATE245125T1 AT E245125 T1 ATE245125 T1 AT E245125T1 AT 98915297 T AT98915297 T AT 98915297T AT 98915297 T AT98915297 T AT 98915297T AT E245125 T1 ATE245125 T1 AT E245125T1
Authority
AT
Austria
Prior art keywords
nitrates
reduction
nitrites
metal
recover
Prior art date
Application number
AT98915297T
Other languages
English (en)
Inventor
Jacek J Dziewinski
Stanislaw Marczak
Original Assignee
Univ California
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 Univ California filed Critical Univ California
Application granted granted Critical
Publication of ATE245125T1 publication Critical patent/ATE245125T1/de

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
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • 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
    • C02F1/705—Reduction by metals
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • C02F1/4678—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction of metals
    • 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
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
AT98915297T 1997-04-23 1998-04-03 Reduktion von nitraten ATE245125T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4409997P 1997-04-23 1997-04-23
US08/857,232 US6030520A (en) 1997-04-23 1997-05-16 Nitrate reduction
PCT/US1998/006755 WO1998047818A1 (en) 1997-04-23 1998-04-03 Nitrate reduction

Publications (1)

Publication Number Publication Date
ATE245125T1 true ATE245125T1 (de) 2003-08-15

Family

ID=26721175

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98915297T ATE245125T1 (de) 1997-04-23 1998-04-03 Reduktion von nitraten

Country Status (10)

Country Link
US (1) US6030520A (de)
EP (1) EP0989958B1 (de)
JP (1) JP2001522298A (de)
KR (1) KR20010020185A (de)
AT (1) ATE245125T1 (de)
AU (1) AU6951998A (de)
CA (1) CA2286853A1 (de)
DE (1) DE69816450T2 (de)
ES (1) ES2203941T3 (de)
WO (1) WO1998047818A1 (de)

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US6533943B1 (en) * 2000-04-18 2003-03-18 Tony Jones Process for the removal of oxidizing agents
DE10024903B4 (de) * 2000-05-19 2010-01-07 WTW Wissenschaftlich-Technische Werkstätten GmbH & Co. KG Gerät und Verfahren zur Bestimmung des gelösten anorganischen Stickstoffs in Flüssigkeiten
US6436275B1 (en) * 2000-05-31 2002-08-20 The Regents Of The University Of California Electrochemical reduction of nitrate in the presence of an amide
JP4649817B2 (ja) * 2000-07-26 2011-03-16 三菱瓦斯化学株式会社 パラジウム除去液およびパジジウムの除去方法
US6379562B1 (en) * 2001-03-21 2002-04-30 Atr Products And Chemicals, Inc. Treatment of water containing organic wastes with aromatic amine nitrate salts
ES2186547B1 (es) * 2001-06-15 2004-08-01 Universidad Politecnica De Valencia Un catalizador bimetalico para el tratamiento de aguas que contienen nitratos.
KR20030040869A (ko) * 2001-11-16 2003-05-23 안병건 화공약품을 이용한 질소 제거장치 및 방법
KR100478206B1 (ko) * 2001-12-19 2005-03-23 한국전력공사 팔라듐 계통의 바이메탈을 이용한 배연탈황폐수로부터의난처리성 ｃｏｄ 성분의 제거방법
US7157059B1 (en) * 2002-09-18 2007-01-02 The United States Of America As Represented By The Secretary Of The Interior Reduction device for nitrate determination
KR100513262B1 (ko) * 2003-04-11 2005-09-08 디엔텍 (주) 탈황폐수 내 cod 제거 방법 및 시스템
FR2860784B1 (fr) * 2003-10-08 2007-12-07 Cooperative Agricole Des Perri Procede de traitement par voie chimique d'un milieu liquide charge en nitrates, dispositif pour traiter un tel milieu liquide et applications.
ES2250006B1 (es) * 2004-09-29 2007-07-01 Dr Canicio Consulting Chemist, S.A. Procedimiento de eliminacion de nitratos del agua por reduccion a nitrogeno gas.
ES2265268B1 (es) * 2005-04-04 2008-02-01 Dr. Canicio Consulting Chemist, S.A. Nuevo procedimiento de eliminacion de nitratos del agua por reduccion a nitrogeno gas.
ES2293827B1 (es) * 2006-06-08 2009-02-16 Tma, Tecnica Del Medio Ambiente Tratamiento De Aguas, S.L. Dispositivo y procedimiento de eliminacion de nitratos del agua.
KR100779989B1 (ko) 2006-09-06 2007-11-29 주식회사 디오이에스 연입황동을 음극으로 하는 전기분해를 이용한 폐수 및하수의 질산성 질소 제거방법
FR2917734B1 (fr) * 2007-06-19 2010-09-10 Magnes Pierre Jean Maurice "procede de traitement mixte chimique electrochimique d'un milieu liquide charge en nitrates, dispositif pour traiter un tel milieu liquide et applications"
AU2014246595B2 (en) * 2007-07-11 2016-10-06 Clene Nanomedicine, Inc. Continuous methods for treating liquids and manufacturing certain constituents (e.g., nanoparticles) in liquids, apparatuses and nanoparticles and nanoparticle/liquid solutions(s) resulting therefrom
US8936770B2 (en) 2010-01-22 2015-01-20 Molycorp Minerals, Llc Hydrometallurgical process and method for recovering metals
WO2016123443A1 (en) * 2015-01-29 2016-08-04 Trustees Of Boston University Method and composition for reducing nitrates, nitrites, and/or hydroxylamine in water using a homogeneous reduced copper tetra-substituted fluorinated pinacolate ligand catalyst complex
WO2019104314A1 (en) * 2017-11-27 2019-05-31 Chemtreat, Inc. Methods and systems for removing nitrates in zero liquid discharge applications
US10717663B2 (en) 2018-02-27 2020-07-21 Chemical Systems of Orlando, Inc. Chemical denitrification of contaminated water
DE102019007556A1 (de) * 2019-10-30 2021-05-06 K-Utec Ag Salt Technologies Verfahren zur chemischen Reduzierung von gelösten Sauerstoffsäuren des Stickstoffs oder deren Salze in Salzsolen durch Magnesiumspäne
CN116490073B (zh) * 2020-06-15 2025-08-29 佛罗里达食品产品有限责任公司 肉类腌制剂的连续发酵过程
US12384704B2 (en) 2020-12-31 2025-08-12 Chemtreat, Inc. Methods of treating water to remove selenium or mercury
CN114085008B (zh) * 2021-12-07 2023-04-07 中原环保股份有限公司 硝酸铵冷凝废水的环保法处理工艺
CN115584527B (zh) * 2022-10-15 2024-11-05 四川大学 一种用于硝酸盐还原产氨的介孔钯-铜纳米催化剂的制备方法及其应用

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JPS5367678A (en) * 1976-11-29 1978-06-16 Ebara Corp Treating method for by-product formed in process of treating exhaust gasby irradiation of radiation
US4212735A (en) * 1979-03-01 1980-07-15 Hydroscience, Inc. Destruction method for the wet combustion of organics
US4276198A (en) * 1979-03-01 1981-06-30 It Enviroscience, Inc. Destruction method for the wet combustion of organics
DE3172917D1 (en) * 1981-08-31 1985-12-19 Kernforschungsz Karlsruhe Process for separating cesium ions from aqueous solutions by using an addition compound consisting of a macrocyclic polyether and an inorganic heteropolyacid
US4415456A (en) * 1982-03-24 1983-11-15 Hercules Incorporated Removal and destruction of residual nitrate esters in wastewater
US4497782A (en) * 1982-10-28 1985-02-05 S. Garry Howell Method for destroying toxic organic chemical products
DE3830850A1 (de) * 1988-09-10 1990-03-22 Gutec Gmbh Verfahren zur entfernung des nitrit- und/oder nitratgehaltes in wasser
US4990226A (en) * 1989-11-06 1991-02-05 Gte Products Corporation Electroplating wires with nickel at high-speed and a nickel fluoborate bath therefor
GB9103851D0 (en) * 1991-02-25 1991-04-10 Bradtec Ltd Method for the combined removal and destruction of nitrate ions
US5118447A (en) * 1991-04-12 1992-06-02 Battelle Memorial Institute Thermochemical nitrate destruction
US5073273A (en) * 1991-05-22 1991-12-17 Trw Vehicle Safety Systems, Inc. Treatment of azide containing waste
US5376240A (en) * 1991-11-04 1994-12-27 Olin Corporation Process for the removal of oxynitrogen species for aqueous solutions
USH1126H (en) * 1991-11-12 1993-01-05 The United States Of America As Represented By The Secretary Of The Navy Treatment of sodium nitrite-containing boiler wastewater
US5370528A (en) * 1992-08-03 1994-12-06 Martin Marietta Energy Systems, Inc. Submergible torch for treating waste solutions and method thereof
US5391268A (en) * 1994-07-20 1995-02-21 Olin Corporation Electrochemical process for the removal of residual nitric acid from aqueous hydroxylammonium nitrate

Also Published As

Publication number Publication date
DE69816450D1 (de) 2003-08-21
ES2203941T3 (es) 2004-04-16
EP0989958A1 (de) 2000-04-05
EP0989958A4 (de) 2000-07-05
EP0989958B1 (de) 2003-07-16
AU6951998A (en) 1998-11-13
WO1998047818A1 (en) 1998-10-29
CA2286853A1 (en) 1998-10-29
DE69816450T2 (de) 2004-04-22
US6030520A (en) 2000-02-29
KR20010020185A (ko) 2001-03-15
JP2001522298A (ja) 2001-11-13

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