FR2252291B1 - - Google Patents

Info

Publication number
FR2252291B1
FR2252291B1 FR7437889A FR7437889A FR2252291B1 FR 2252291 B1 FR2252291 B1 FR 2252291B1 FR 7437889 A FR7437889 A FR 7437889A FR 7437889 A FR7437889 A FR 7437889A FR 2252291 B1 FR2252291 B1 FR 2252291B1
Authority
FR
France
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
Application number
FR7437889A
Other versions
FR2252291A1 (fr
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.)
Kemira Oyj
Original Assignee
Kemira Oyj
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 Kemira Oyj filed Critical Kemira Oyj
Publication of FR2252291A1 publication Critical patent/FR2252291A1/fr
Application granted granted Critical
Publication of FR2252291B1 publication Critical patent/FR2252291B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/46—Purification; Separation ; Stabilisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0488—Flow sheets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/28—Amines
    • C22B3/284—Aromatic amines
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
FR7437889A 1973-11-22 1974-11-18 Expired FR2252291B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI3604/73A FI53661C (fi) 1973-11-22 1973-11-22 Kontinuerligt foerfarande foer extrahering av nitrater fraon nitrathaltiga loesningar

Publications (2)

Publication Number Publication Date
FR2252291A1 FR2252291A1 (fr) 1975-06-20
FR2252291B1 true FR2252291B1 (fr) 1980-01-11

Family

ID=8508599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7437889A Expired FR2252291B1 (fr) 1973-11-22 1974-11-18

Country Status (19)

Country Link
US (1) US3983222A (fr)
JP (1) JPS5343396B2 (fr)
AT (1) AT336646B (fr)
BE (1) BE822458A (fr)
CA (1) CA1052019A (fr)
CS (1) CS185663B2 (fr)
DD (1) DD114799A5 (fr)
DE (1) DE2454947A1 (fr)
ES (1) ES432140A1 (fr)
FI (1) FI53661C (fr)
FR (1) FR2252291B1 (fr)
GB (1) GB1461108A (fr)
HU (1) HU174935B (fr)
IT (1) IT1024886B (fr)
NL (1) NL7415207A (fr)
NO (1) NO139118C (fr)
SE (1) SE391652B (fr)
SU (1) SU963457A3 (fr)
ZA (1) ZA747456B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391953A1 (fr) * 1976-11-02 1978-12-22 Ugine Kuhlmann Procede de traitement d'effluents nitriques
US4131118A (en) * 1976-11-12 1978-12-26 Philip Morris Incorporated Method for removal of potassium nitrate from tobacco extracts
CA1096151A (fr) * 1976-11-12 1981-02-24 Grant Gellatly Methode d'extraction du nitrate de potassium dans les extraits de tabac
US4131117A (en) * 1976-12-21 1978-12-26 Philip Morris Incorporated Method for removal of potassium nitrate from tobacco extracts
JPS6034640B2 (ja) * 1980-03-19 1985-08-09 積水化学工業株式会社 銅もしくは銅合金材の着色方法
ES8505898A1 (es) * 1984-07-30 1985-06-16 Union Explosivos Rio Tinto Procedimiento de obtencion de nitrato potasico a partir de cloruro potasico y acido nitrico
GB8607034D0 (en) * 1986-03-21 1986-04-30 Rohm & Haas Removal of no3 from salt solutions
ES2037904T3 (es) * 1989-05-09 1993-07-01 Bayer Antwerpen N.V. Procedimiento para la extraccion de nitrato y contaminantes organicos de efluentes.
US5110578A (en) * 1989-10-05 1992-05-05 Monomeros Colombo Venezolanos, S.A. (E.M.A.) Continuous production of potassium nitrate via ion exchange
US6475457B2 (en) * 1998-06-22 2002-11-05 William J. Rigby Process for manufacturing potassium nitrate fertilizer and other metal nitrates
JP2014138914A (ja) * 2013-01-21 2014-07-31 Kyoto Univ 被処理水中の窒素化合物の除去方法。
US9902626B2 (en) 2013-07-26 2018-02-27 General Electric Company Method and filter for removing nitrate ions

Also Published As

Publication number Publication date
FR2252291A1 (fr) 1975-06-20
JPS5343396B2 (fr) 1978-11-18
SU963457A3 (ru) 1982-09-30
AT336646B (de) 1977-05-10
NL7415207A (nl) 1975-05-26
NO139118B (no) 1978-10-02
HU174935B (hu) 1980-04-28
DD114799A5 (de) 1975-08-20
AU7539874A (en) 1976-05-20
SE7414715L (fr) 1975-05-23
JPS5084495A (fr) 1975-07-08
ES432140A1 (es) 1976-11-16
CA1052019A (fr) 1979-04-03
FI53661C (fi) 1978-07-10
GB1461108A (en) 1977-01-13
BE822458A (fr) 1975-03-14
FI360473A (fr) 1975-05-23
SE391652B (sv) 1977-02-28
FI53661B (fr) 1978-03-31
US3983222A (en) 1976-09-28
ATA927974A (de) 1976-09-15
CS185663B2 (en) 1978-10-31
NO139118C (no) 1981-10-01
ZA747456B (en) 1976-01-28
DE2454947A1 (de) 1975-05-28
IT1024886B (it) 1978-07-20
NO744200L (fr) 1975-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse