BR8108268A - Processo para a diminuicao do teor de acido de uma solucao de acido nitrico com o emprego de uma corrente de eletrolise e dispositivo para a execucao do processo - Google Patents

Processo para a diminuicao do teor de acido de uma solucao de acido nitrico com o emprego de uma corrente de eletrolise e dispositivo para a execucao do processo

Info

Publication number
BR8108268A
BR8108268A BR8108268A BR8108268A BR8108268A BR 8108268 A BR8108268 A BR 8108268A BR 8108268 A BR8108268 A BR 8108268A BR 8108268 A BR8108268 A BR 8108268A BR 8108268 A BR8108268 A BR 8108268A
Authority
BR
Brazil
Prior art keywords
electrolysis
execution
chain
reducing
acid solution
Prior art date
Application number
BR8108268A
Other languages
English (en)
Inventor
Michael Heilgeist
Original Assignee
Kernforschungsz Karlsruhe
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 Kernforschungsz Karlsruhe filed Critical Kernforschungsz Karlsruhe
Publication of BR8108268A publication Critical patent/BR8108268A/pt

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • 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
    • 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
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F1/46114—Electrodes in particulate form or with conductive and/or non conductive particles between them
    • 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
    • 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
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/46115—Electrolytic cell with membranes or diaphragms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
BR8108268A 1980-12-19 1981-12-18 Processo para a diminuicao do teor de acido de uma solucao de acido nitrico com o emprego de uma corrente de eletrolise e dispositivo para a execucao do processo BR8108268A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3047988A DE3047988C2 (de) 1980-12-19 1980-12-19 Verfahren zur Verringerung des Säuregehaltes einer salpetersauren Lösung unter Verwendung eines Elektrolysestromes und Vorrichtung zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
BR8108268A true BR8108268A (pt) 1982-10-05

Family

ID=6119665

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8108268A BR8108268A (pt) 1980-12-19 1981-12-18 Processo para a diminuicao do teor de acido de uma solucao de acido nitrico com o emprego de uma corrente de eletrolise e dispositivo para a execucao do processo

Country Status (5)

Country Link
US (1) US4427503A (pt)
EP (1) EP0054606B1 (pt)
JP (1) JPS57128892A (pt)
BR (1) BR8108268A (pt)
DE (1) DE3047988C2 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135195A1 (de) * 1981-09-05 1983-03-24 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur elektrochemischen zersetzung von salpetersaeure
DE3345199A1 (de) * 1983-12-14 1985-06-27 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur reduktiven plutonium-rueckextraktion aus einer organischen wiederaufarbeitungsloesung in eine waessrige, salpetersaure loesung unter anwendung eines elektrolysestromes
US4663135A (en) * 1985-12-23 1987-05-05 T-Thermal Inc. Conversion of oxides of nitrogen to nitrogen for pollution abatement
CH675715A5 (pt) * 1988-10-21 1990-10-31 Asea Brown Boveri
GB2250853B (en) * 1990-08-31 1994-05-18 Nikki Kabushiki Kaisha Method of treating nitric acid recovered from spent nuclear fuel reprocessing process
JP2504311B2 (ja) * 1990-08-31 1996-06-05 日揮株式会社 核燃料再処理工程からの放射性廃棄物の発生量を低減する方法
FI955333A0 (fi) * 1995-11-06 1995-11-06 Juhani Ilves Anordning foer rening av vatten
WO2014057505A1 (en) * 2012-10-12 2014-04-17 Council Of Scientific & Industrial Research An electrochemical system and process for the reduction of nitric acid concentration using electrolytic cell
US20150291451A1 (en) * 2012-10-12 2015-10-15 Council Of Scientific & Industrial Research Electrochemical system and process for the reduction of nitric acid concentration using electrolytic cell
CN111204848B (zh) * 2020-01-12 2021-05-18 大连理工大学 一种导电基底负载金属的非均匀阴极电还原去除污染物的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1040379A (en) 1911-07-26 1912-10-08 Hoechst Ag Process of treating nitric acid by electrolysis.
US3401098A (en) 1963-06-07 1968-09-10 Beckman Instruments Inc Method for producing oxides of nitrogen
IL26453A (en) 1966-09-05 1970-03-22 Raviv S Nitrous oxide production
CA1050735A (en) * 1974-03-28 1979-03-20 Donald Ethington Method of removing nitrogen oxides from a gas stream
DE2449588C2 (de) 1974-10-18 1985-03-28 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur Zersetzung einer wäßrigen, radioaktiven Abfallösung mit gelösten, anorganischen und organischen Inhaltsstoffen
DE2901067C2 (de) * 1979-01-12 1983-10-27 Reaktor-Brennelement Union Gmbh, 6450 Hanau Verfahren zur Aufarbeitung von radioaktiven Filtraten und Einrichtung zur Durchführung dieses Verfahrens
DE3048002C2 (de) * 1980-12-19 1985-09-19 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur Entfernung von Ammoniumnitrat aus wäßrigen Lösungen

Also Published As

Publication number Publication date
EP0054606B1 (de) 1985-08-28
DE3047988A1 (de) 1982-07-08
DE3047988C2 (de) 1982-11-04
JPS6364759B2 (pt) 1988-12-13
EP0054606A1 (de) 1982-06-30
US4427503A (en) 1984-01-24
JPS57128892A (en) 1982-08-10

Similar Documents

Publication Publication Date Title
BR8104831A (pt) Composicao catalitica e processo para tratamento catalitico de uma carga de alimentacao hidrocarbonada
BR8506868A (pt) Processo e aparelho para monitorar reacoes redox
BR8200068A (pt) Processo para utilizar uma fritadeira industrial e dispositivo para executar o processo
BR8506112A (pt) Processo e aparelho para separar os componentes de uma corrente de fluidos
BR8108272A (pt) Processo para a dissociacao termica continua de esteres de acido carbamico e o emprego de misturas contendo isocianatos
BR8806524A (pt) Medidor apropriado e processo para medir a flexao de uma estrutura
PT80004B (pt) Processo para a preparacao de uma solucao oftalmica contendo pranoprofeno e acido borico
BR8304558A (pt) Poliester contendo baixo teor de dimero ciclico e processo para prepara - lo
BR8503078A (pt) Processo para estabilizar uma solucao de uma isotiazolona e solucao estabilizada contendo isotiazolona
BR8004821A (pt) Conjunto de pintura e processo para manter uma condicao segura de pintura
BR7605401A (pt) Catalisador e aperfeicoamento em processo para a producao de acido acrilico e de acido metacrilico
BR8404653A (pt) Processo para curar e testar uma amostra de borracha
BR8108268A (pt) Processo para a diminuicao do teor de acido de uma solucao de acido nitrico com o emprego de uma corrente de eletrolise e dispositivo para a execucao do processo
BR7700573A (pt) Processo e aparelho para reduzir o teor em liquido de uma mistura de um liquido e um solido em particulas
BR8302088A (pt) Processo para preparar cicloexanol e cicloexanona
IT1101260B (it) Processo per isolare e purificare acido acrilico
BR7704415A (pt) Processo para separar gases acidos e amonia de uma solucao aquosa diluida destes
BR8106111A (pt) Processo para a diminuicao do teor de enxofre de gases residuais
BR8000056A (pt) Processo para produzir um parafuso auto-tarraxante e prendedor rosqueado auto-tarraxante de aco inoxidavel
BR8208008A (pt) Aparelho e processo para extinguir cal
BR7902387A (pt) Processo para reducao do teor de enxofre de residuos de petroleo
IT1094612B (it) Processo e reagente per la determinazione dell'acido ascorbico
BR8004331A (pt) Processo para purificacao de acido sulfurico residual,a 65 ate 95%,contendo fluoreto,dispositivo para o mesmo,e campanula para o dito dispositivo
BR8407009A (pt) Processo e aparelho para separar liquidos
BR7707847A (pt) Processo para reduzir o teor de alfaacetileno de uma fracao de hidrocarboneto