BE817421A - Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique. - Google Patents

Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique.

Info

Publication number
BE817421A
BE817421A BE146359A BE146359A BE817421A BE 817421 A BE817421 A BE 817421A BE 146359 A BE146359 A BE 146359A BE 146359 A BE146359 A BE 146359A BE 817421 A BE817421 A BE 817421A
Authority
BE
Belgium
Prior art keywords
caustic
laundry
crystallization
cooling
sodium hydrates
Prior art date
Application number
BE146359A
Other languages
English (en)
French (fr)
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
Priority to BE146359A priority Critical patent/BE817421A/xx
Publication of BE817421A publication Critical patent/BE817421A/xx
Priority to IT23902/75A priority patent/IT1038597B/it
Priority to ES438692A priority patent/ES438692A1/es
Priority to DE19752526967 priority patent/DE2526967A1/de
Priority to FR7521498A priority patent/FR2277770A1/fr
Priority to NL7508191A priority patent/NL7508191A/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
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/087—Heat exchange elements made from metals or metal alloys from nickel or nickel alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Chemically Coating (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • ing And Chemical Polishing (AREA)
BE146359A 1974-07-09 1974-07-09 Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique. BE817421A (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BE146359A BE817421A (fr) 1974-07-09 1974-07-09 Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique.
IT23902/75A IT1038597B (it) 1974-07-09 1975-05-30 Procedimento di cristallizzazione di idrati di soda caustica median te raffreddamento di una liscivia caustica
ES438692A ES438692A1 (es) 1974-07-09 1975-06-15 Un procedimiento de cristalizacion de hidratos de sosa caus-tica por enfriamiento de una lejia caustica.
DE19752526967 DE2526967A1 (de) 1974-07-09 1975-06-16 Verfahren zur kristallisation von hydraten von kaustischer soda durch abkuehlen einer kaustischen lauge
FR7521498A FR2277770A1 (fr) 1974-07-09 1975-07-07 Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique
NL7508191A NL7508191A (nl) 1974-07-09 1975-07-09 Werkwijze voor het kristalliseren van hydraten van natriumhydroxyde door afkoeling van een natriumhydroxyde-oplossing.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE146359A BE817421A (fr) 1974-07-09 1974-07-09 Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique.

Publications (1)

Publication Number Publication Date
BE817421A true BE817421A (fr) 1974-11-04

Family

ID=3842680

Family Applications (1)

Application Number Title Priority Date Filing Date
BE146359A BE817421A (fr) 1974-07-09 1974-07-09 Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique.

Country Status (6)

Country Link
BE (1) BE817421A (cg-RX-API-DMAC7.html)
DE (1) DE2526967A1 (cg-RX-API-DMAC7.html)
ES (1) ES438692A1 (cg-RX-API-DMAC7.html)
FR (1) FR2277770A1 (cg-RX-API-DMAC7.html)
IT (1) IT1038597B (cg-RX-API-DMAC7.html)
NL (1) NL7508191A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421359A1 (fr) * 1978-03-31 1979-10-26 Fives Cail Babcock Procede de protection des surfaces d'une chaudiere de recuperation en contact avec un fluide chauffant, et chaudiere obtenue par l'application du procede

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6730653B1 (en) 2000-06-01 2004-05-04 Ecolab Inc. Method for manufacturing a molded detergent composition
US7037886B2 (en) 2000-06-01 2006-05-02 Ecolab Inc. Method for manufacturing a molded detergent composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421359A1 (fr) * 1978-03-31 1979-10-26 Fives Cail Babcock Procede de protection des surfaces d'une chaudiere de recuperation en contact avec un fluide chauffant, et chaudiere obtenue par l'application du procede

Also Published As

Publication number Publication date
FR2277770B1 (cg-RX-API-DMAC7.html) 1977-07-22
NL7508191A (nl) 1976-01-13
DE2526967A1 (de) 1976-01-29
IT1038597B (it) 1979-11-30
ES438692A1 (es) 1977-04-01
FR2277770A1 (fr) 1976-02-06

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