NL159287B - METHOD FOR THE WINNING OF COARSE GRAINY SALT BY VACUUM EVAPORATION. - Google Patents

METHOD FOR THE WINNING OF COARSE GRAINY SALT BY VACUUM EVAPORATION.

Info

Publication number
NL159287B
NL159287B NL7113886.A NL7113886A NL159287B NL 159287 B NL159287 B NL 159287B NL 7113886 A NL7113886 A NL 7113886A NL 159287 B NL159287 B NL 159287B
Authority
NL
Netherlands
Prior art keywords
winning
salt
vacuum evaporation
grainy
coarse
Prior art date
Application number
NL7113886.A
Other languages
Dutch (nl)
Other versions
NL7113886A (en
Original Assignee
Wintershall Ag
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
Priority claimed from DEW43483A external-priority patent/DE1297079B/en
Priority claimed from DEW43674A external-priority patent/DE1298969B/en
Priority claimed from NL6802832A external-priority patent/NL135394C/xx
Priority claimed from DK85268A external-priority patent/DK128368B/en
Priority claimed from DK489871AA external-priority patent/DK135098B/en
Application filed by Wintershall Ag filed Critical Wintershall Ag
Publication of NL7113886A publication Critical patent/NL7113886A/en
Publication of NL159287B publication Critical patent/NL159287B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D1/00—Fertilisers containing potassium
    • C05D1/005—Fertilisers containing potassium post-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C01C1/248—Preventing coalescing or controlling form or size of the crystals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/22—Preparation in the form of granules, pieces, or other shaped products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Seasonings (AREA)
NL7113886.A 1967-03-03 1971-10-08 METHOD FOR THE WINNING OF COARSE GRAINY SALT BY VACUUM EVAPORATION. NL159287B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DEW43483A DE1297079B (en) 1967-03-03 1967-03-03 Process and device for obtaining coarsely crystalline salts by vacuum cooling a solution in several stages
DEW0043484 1967-03-04
DEW43674A DE1298969B (en) 1967-04-01 1967-04-01 Application of a process to obtain coarsely crystalline salts from a solution in several stages with constant classification
NL6802832A NL135394C (en) 1967-03-03 1968-02-28
DK85268A DK128368B (en) 1967-03-03 1968-03-01 Method and apparatus for extracting and drying coarse-grained salts.
DK489871AA DK135098B (en) 1967-04-01 1971-10-07 Process for the recovery and drying of coarse-grained salts by evaporative crystallization of a solution in several steps while still classifying.

Publications (2)

Publication Number Publication Date
NL7113886A NL7113886A (en) 1972-01-25
NL159287B true NL159287B (en) 1979-02-15

Family

ID=27544987

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7113886.A NL159287B (en) 1967-03-03 1971-10-08 METHOD FOR THE WINNING OF COARSE GRAINY SALT BY VACUUM EVAPORATION.

Country Status (1)

Country Link
NL (1) NL159287B (en)

Also Published As

Publication number Publication date
NL7113886A (en) 1972-01-25

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: ESCHER WYSS