BE790662A - Procede de recuperation d'hydroxyde de sodium a partir d'une solution aqueuse de chlorure de sodium - Google Patents

Procede de recuperation d'hydroxyde de sodium a partir d'une solution aqueuse de chlorure de sodium

Info

Publication number
BE790662A
BE790662A BE790662DA BE790662A BE 790662 A BE790662 A BE 790662A BE 790662D A BE790662D A BE 790662DA BE 790662 A BE790662 A BE 790662A
Authority
BE
Belgium
Prior art keywords
chloride solution
recovery process
sodium hydroxide
sodium chloride
aqueous sodium
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
H D Myers
W G Moore
Original Assignee
Dow Chemical Co
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.)
Publication date
Publication of BE790662A publication Critical patent/BE790662A/xx

Links

Classifications

    • 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
    • B01D9/0009—Crystallisation cooling by heat exchange by direct heat exchange with added cooling fluid
    • 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
    • C01D1/32—Purification; Separation by absorption or precipitation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
BE790662D 1971-10-27 Procede de recuperation d'hydroxyde de sodium a partir d'une solution aqueuse de chlorure de sodium BE790662A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00192941A US3854299A (en) 1971-10-27 1971-10-27 Cooling concentrated, diaphragm cell sodium hydroxide solutions

Publications (1)

Publication Number Publication Date
BE790662A true BE790662A (fr) 1973-04-27

Family

ID=22711658

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790662D BE790662A (fr) 1971-10-27 Procede de recuperation d'hydroxyde de sodium a partir d'une solution aqueuse de chlorure de sodium

Country Status (11)

Country Link
US (1) US3854299A (it)
JP (1) JPS4851893A (it)
AU (1) AU4758272A (it)
BE (1) BE790662A (it)
BR (1) BR7207505D0 (it)
CA (1) CA969090A (it)
DE (1) DE2250917A1 (it)
FR (1) FR2158301B1 (it)
GB (1) GB1391315A (it)
IT (1) IT972392B (it)
NL (1) NL7214372A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305393A1 (fr) * 1975-03-28 1976-10-22 Rhone Poulenc Ind Nouveau procede d'obtention de soude caustique a partir d'une lessive chlorurosodee, renfermant des ions sulfate, fournie par une cellule d'electrolyse
JPS51126399A (en) * 1975-04-28 1976-11-04 Asahi Glass Co Ltd Purification of sodium hydroxide
JPS59116105A (ja) * 1982-12-22 1984-07-04 Hitachi Zosen Corp 硫酸製造設備における硫酸冷却方法及び硫酸冷却器
JP5210605B2 (ja) * 2007-11-21 2013-06-12 東京電力株式会社 凝縮器及び冷却装置
CN111439869A (zh) * 2020-05-13 2020-07-24 导洁(北京)环境科技有限公司 一种高盐废水零排放处理方法和系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486A (en) * 1844-03-13 Label foe mail-bags
FR584340A (fr) * 1924-08-06 1925-02-05 Delas Condenseurs Nouveau procédé de cristallisation des solides en solution
US2129464A (en) * 1937-10-06 1938-09-06 Mathieson Alkali Works Inc Recovery of sodium chloride and sodium chlorite from aqueous solutions
US3486848A (en) * 1966-08-05 1969-12-30 Cosmodyne Inc Refrigerated crystallizer system
US3423187A (en) * 1967-07-31 1969-01-21 Dow Chemical Co Process for removing alkali metal sulfates from alkali metal hydroxide solutions
US3655333A (en) * 1970-05-04 1972-04-11 Dow Chemical Co Process for producing anhydrous sodium chloride and purified saturated brine

Also Published As

Publication number Publication date
US3854299A (en) 1974-12-17
AU4758272A (en) 1974-04-26
GB1391315A (en) 1975-04-23
NL7214372A (it) 1973-05-02
CA969090A (en) 1975-06-10
JPS4851893A (it) 1973-07-20
IT972392B (it) 1974-05-20
DE2250917A1 (de) 1973-05-10
FR2158301B1 (it) 1975-01-03
BR7207505D0 (pt) 1973-10-09
FR2158301A1 (it) 1973-06-15

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