BE841129A - Procede de purification de l'hydroxyde de sodium - Google Patents

Procede de purification de l'hydroxyde de sodium

Info

Publication number
BE841129A
BE841129A BE166465A BE166465A BE841129A BE 841129 A BE841129 A BE 841129A BE 166465 A BE166465 A BE 166465A BE 166465 A BE166465 A BE 166465A BE 841129 A BE841129 A BE 841129A
Authority
BE
Belgium
Prior art keywords
sodium hydroxide
purification process
hydroxide purification
sodium
purification
Prior art date
Application number
BE166465A
Other languages
English (en)
French (fr)
Inventor
K Nakaya
S Hirata
K Sato
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 filed Critical
Publication of BE841129A publication Critical patent/BE841129A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation
    • C01D1/30—Purification; Separation by crystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B03D1/242—Nozzles for injecting gas into the flotation tank
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE166465A 1975-04-28 1976-04-26 Procede de purification de l'hydroxyde de sodium BE841129A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50050677A JPS51126399A (en) 1975-04-28 1975-04-28 Purification of sodium hydroxide

Publications (1)

Publication Number Publication Date
BE841129A true BE841129A (fr) 1976-10-26

Family

ID=12865557

Family Applications (1)

Application Number Title Priority Date Filing Date
BE166465A BE841129A (fr) 1975-04-28 1976-04-26 Procede de purification de l'hydroxyde de sodium

Country Status (10)

Country Link
US (2) US4065270A (xx)
JP (1) JPS51126399A (xx)
AU (1) AU498070B2 (xx)
BE (1) BE841129A (xx)
CA (1) CA1076777A (xx)
DE (1) DE2618242C3 (xx)
FR (1) FR2309470A1 (xx)
GB (1) GB1486407A (xx)
IT (1) IT1058988B (xx)
NL (1) NL7604189A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251490A (en) * 1979-06-13 1981-02-17 The H. K. Ferguson Company Controlled temperature purification of aqueous sodium hydroxide solution
US4273657A (en) * 1979-06-14 1981-06-16 E. I. Du Pont De Nemours & Co. Two-stage flotation purification of NaOH
US4277331A (en) * 1979-06-14 1981-07-07 E. I. Du Pont De Nemours & Co. One-stage flotation purification of NaOH
DE19710449A1 (de) * 1997-03-13 1998-09-17 Basf Ag Verfahren zur Aufreinigung von Natronlauge

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699377A (en) * 1953-08-14 1955-01-11 Int Minerals & Chem Corp Production of potassium hydroxide
US3477829A (en) * 1966-02-25 1969-11-11 Chicago Bridge & Iron Co Sodium hydroxide monohydrate crystallization process
FR1515865A (fr) * 1966-06-14 1968-03-08 Saint Gobain Techn Nouvelles Perfectionnements à la séparation d'un liquide et d'un solide ou liquide immiscible en suspension
US3551897A (en) * 1968-09-06 1970-12-29 Ibm Method of controlling ore flotation
US3701421A (en) * 1970-04-29 1972-10-31 Technequip Ltd Method of mineral separation by froth floatation
US3799749A (en) * 1971-07-19 1974-03-26 Dow Chemical Co Method of purifying naoh solutions
BE790662A (fr) * 1971-10-27 1973-04-27 Dow Chemical Co Procede de recuperation d'hydroxyde de sodium a partir d'une solution aqueuse de chlorure de sodium
JPS5532644B2 (xx) * 1972-09-11 1980-08-26
JPS508707A (xx) * 1973-05-28 1975-01-29
JPS5232497A (en) * 1975-09-08 1977-03-11 Hitachi Ltd Combination of separators

Also Published As

Publication number Publication date
FR2309470B1 (xx) 1981-06-12
AU1337476A (en) 1977-11-03
US4065270A (en) 1977-12-27
FR2309470A1 (fr) 1976-11-26
DE2618242C3 (de) 1980-05-14
JPS51126399A (en) 1976-11-04
AU498070B2 (en) 1979-02-08
USRE30411E (en) 1980-10-07
JPS5716926B2 (xx) 1982-04-08
NL7604189A (nl) 1976-11-01
CA1076777A (en) 1980-05-06
DE2618242A1 (de) 1976-11-11
GB1486407A (en) 1977-09-21
IT1058988B (it) 1982-05-10
DE2618242B2 (de) 1979-08-23

Similar Documents

Publication Publication Date Title
FR2300964A1 (fr) Procede d'ali
FR2328659A1 (fr) Procede de purification d'halogenosilanes
FR2311751A1 (fr) Procede de preparation de percarbonate de sodium stable
FR2304601A1 (fr) Procede d'ammonoxydation
BE852414A (fr) Procede de purification
LU79874A1 (fr) Procede de preparation de para-benzoquinone
FR2299769A1 (fr) Procede d'application
FR2321482A1 (fr) Procede de preparation d'amide d'a-amido-acide
BE839633A (fr) Procede de production de l'ethylbenzene
RO73006A (ro) Procedeu de preparare a unor tioderivati
BE870410A (fr) Procede d'epuration
FR2317474A1 (fr) Procede d'abattage
BE846420A (fr) Procede de purification d'eaux souterraines
BE858717A (fr) Procede de purification de l'epsilon-caprolactame
BE841129A (fr) Procede de purification de l'hydroxyde de sodium
BE811649A (fr) Procede de purification de solutions d'hydroxyde de sodium
FR2281346A1 (fr) Procede de preparation de l'hydroquinone
FR2298514A1 (fr) Procede de decoloration d'eaux residuaires
FR2300398A1 (fr) Procede d'aplatissement de la courbe d
FR2273764A1 (fr) Procede de preparation de l'oxalonitrile
FR2320292A1 (fr) Procede de preparation de l'equinenone
BE855280A (fr) Procede de preparation de zeolite a de sodium
BE845510A (fr) Procede d'ecriquage
FR2343725A1 (fr) Procede de preparation de methallyl-sulfonate de sodium
BE825586A (fr) Procede de purification d'hydroquinone

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ASAHI GLASS CY LTD

Effective date: 19840426