IT1068548B - Metodo per la concentrazione di soluzioni acquose di alcali caustici - Google Patents

Metodo per la concentrazione di soluzioni acquose di alcali caustici

Info

Publication number
IT1068548B
IT1068548B IT28200/76A IT2820076A IT1068548B IT 1068548 B IT1068548 B IT 1068548B IT 28200/76 A IT28200/76 A IT 28200/76A IT 2820076 A IT2820076 A IT 2820076A IT 1068548 B IT1068548 B IT 1068548B
Authority
IT
Italy
Prior art keywords
alcals
caustic
concentration
water solutions
solutions
Prior art date
Application number
IT28200/76A
Other languages
English (en)
Original Assignee
Asahi Chemical Ind
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 Asahi Chemical Ind filed Critical Asahi Chemical Ind
Application granted granted Critical
Publication of IT1068548B publication Critical patent/IT1068548B/it

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
    • C01D1/42—Concentration; Dehydration
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT28200/76A 1975-10-28 1976-10-11 Metodo per la concentrazione di soluzioni acquose di alcali caustici IT1068548B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50128857A JPS5833312B2 (ja) 1975-10-28 1975-10-28 カセイアルカリスイヨウエキノノウシユクホウ

Publications (1)

Publication Number Publication Date
IT1068548B true IT1068548B (it) 1985-03-21

Family

ID=14995075

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28200/76A IT1068548B (it) 1975-10-28 1976-10-11 Metodo per la concentrazione di soluzioni acquose di alcali caustici

Country Status (10)

Country Link
US (1) US4090932A (it)
JP (1) JPS5833312B2 (it)
BR (1) BR7607098A (it)
CA (1) CA1109018A (it)
DE (1) DE2648306A1 (it)
FR (1) FR2329771A1 (it)
GB (1) GB1513109A (it)
IT (1) IT1068548B (it)
NL (1) NL164907C (it)
SE (1) SE416562B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53113299A (en) * 1977-03-15 1978-10-03 Asahi Glass Co Ltd Method of concentrating caustic alkaline sulution for ion exchange membrane electrolysis
US4487668A (en) * 1977-04-20 1984-12-11 E. I. Du Pont De Nemours And Company Fluorinated ion exchange polymer containing carboxylic groups, and film and membrane thereof
JPS5428297A (en) * 1977-08-04 1979-03-02 Ebara Corp Effective heat utilization method in caustic soda producing plant by ion exchange or electrolytic method
JPS5484892A (en) * 1977-12-19 1979-07-06 Asahi Chem Ind Co Ltd Electrolysis of sodium chloride employing cation exchange membrane
JPS5927389B2 (ja) * 1978-02-15 1984-07-05 旭化成株式会社 陽イオン交換膜食塩電解方法
US4459188A (en) * 1982-09-13 1984-07-10 Texas Brine Corporation Brine systems for chlor-alkali membrane cells
JPH01116728U (it) * 1988-02-01 1989-08-07
US8317994B2 (en) * 2008-08-07 2012-11-27 Westlake Vinyl Corporation Method of concentrating an aqueous caustic alkali using a catholyte heat recovery evaporator
DE102011005133A1 (de) * 2011-03-04 2012-09-06 Bayer Materialscience Aktiengesellschaft Verfahren zum Betrieb einer Sauerstoffverzehrelektrode
CN106367778B (zh) * 2016-08-29 2018-11-09 金川集团股份有限公司 一种回收高温湿氯气中热量的装置及方法
CN108796543B (zh) * 2018-06-24 2023-08-15 茌平信发华兴化工有限公司 片碱二次凝液电解槽系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403083A (en) * 1965-11-29 1968-09-24 Hooker Chemical Corp Operation of chlor-alkali cells
BE790369A (fr) * 1971-10-21 1973-04-20 Diamond Shamrock Corp Procede et appareil pour la preparation d'hydroxydes de metaux alcalins de haute purete dans une cuve electrolytique.
US3954579A (en) * 1973-11-01 1976-05-04 Hooker Chemicals & Plastics Corporation Electrolytic method for the simultaneous manufacture of concentrated and dilute aqueous hydroxide solutions
US3909378A (en) * 1974-06-21 1975-09-30 Du Pont Composite cation exchange membrane and use thereof in electrolysis of an alkali metal halide

Also Published As

Publication number Publication date
NL164907B (nl) 1980-09-15
GB1513109A (en) 1978-06-07
FR2329771A1 (fr) 1977-05-27
NL164907C (nl) 1981-02-16
BR7607098A (pt) 1977-09-13
DE2648306A1 (de) 1977-05-12
NL7611491A (nl) 1977-05-02
JPS5252897A (en) 1977-04-28
FR2329771B1 (it) 1978-12-15
JPS5833312B2 (ja) 1983-07-19
SE416562B (sv) 1981-01-19
US4090932A (en) 1978-05-23
CA1109018A (en) 1981-09-15
SE7611705L (sv) 1977-04-29

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