NL7508191A - PROCESS FOR CRYSTALLIZING SODIUM HYDROXIDE HYDRATES BY COOLING A SODIUM HYDROXIDE SOLUTION. - Google Patents

PROCESS FOR CRYSTALLIZING SODIUM HYDROXIDE HYDRATES BY COOLING A SODIUM HYDROXIDE SOLUTION.

Info

Publication number
NL7508191A
NL7508191A NL7508191A NL7508191A NL7508191A NL 7508191 A NL7508191 A NL 7508191A NL 7508191 A NL7508191 A NL 7508191A NL 7508191 A NL7508191 A NL 7508191A NL 7508191 A NL7508191 A NL 7508191A
Authority
NL
Netherlands
Prior art keywords
sodium hydroxide
cooling
hydrates
crystallizing
hydroxide solution
Prior art date
Application number
NL7508191A
Other languages
Dutch (nl)
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Publication of NL7508191A publication Critical patent/NL7508191A/en

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
NL7508191A 1974-07-09 1975-07-09 PROCESS FOR CRYSTALLIZING SODIUM HYDROXIDE HYDRATES BY COOLING A SODIUM HYDROXIDE SOLUTION. NL7508191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE146359A BE817421A (en) 1974-07-09 1974-07-09 PROCESS FOR THE CRYSTALLIZATION OF CAUSTIC SODIUM HYDRATES BY COOLING A CAUSTIC LAUNDRY.

Publications (1)

Publication Number Publication Date
NL7508191A true NL7508191A (en) 1976-01-13

Family

ID=3842680

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7508191A NL7508191A (en) 1974-07-09 1975-07-09 PROCESS FOR CRYSTALLIZING SODIUM HYDROXIDE HYDRATES BY COOLING A SODIUM HYDROXIDE SOLUTION.

Country Status (6)

Country Link
BE (1) BE817421A (en)
DE (1) DE2526967A1 (en)
ES (1) ES438692A1 (en)
FR (1) FR2277770A1 (en)
IT (1) IT1038597B (en)
NL (1) NL7508191A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421359A1 (en) * 1978-03-31 1979-10-26 Fives Cail Babcock Heat recovery boiler - has nickel coating to prevent attack by corrosive heating medium
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

Also Published As

Publication number Publication date
ES438692A1 (en) 1977-04-01
FR2277770A1 (en) 1976-02-06
IT1038597B (en) 1979-11-30
DE2526967A1 (en) 1976-01-29
BE817421A (en) 1974-11-04
FR2277770B1 (en) 1977-07-22

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Legal Events

Date Code Title Description
BV The patent application has lapsed