IL29557A - A process and system for the production and drying of coarse salts by multi-stage crystallization in a countercurrent - Google Patents

A process and system for the production and drying of coarse salts by multi-stage crystallization in a countercurrent

Info

Publication number
IL29557A
IL29557A IL29557A IL2955768A IL29557A IL 29557 A IL29557 A IL 29557A IL 29557 A IL29557 A IL 29557A IL 2955768 A IL2955768 A IL 2955768A IL 29557 A IL29557 A IL 29557A
Authority
IL
Israel
Prior art keywords
solution
stage
crystallizer
sifting
percent
Prior art date
Application number
IL29557A
Other languages
English (en)
Hebrew (he)
Original Assignee
Wintershall Ag
Escher Wyss Gmbh
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/de
Priority claimed from DEW43674A external-priority patent/DE1298969B/de
Application filed by Wintershall Ag, Escher Wyss Gmbh filed Critical Wintershall Ag
Priority claimed from DK85268A external-priority patent/DK128368B/da
Priority claimed from DK489871AA external-priority patent/DK135098B/da
Publication of IL29557A publication Critical patent/IL29557A/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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IL29557A 1967-03-03 1968-03-01 A process and system for the production and drying of coarse salts by multi-stage crystallization in a countercurrent IL29557A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DEW43483A DE1297079B (de) 1967-03-03 1967-03-03 Verfahren und Vorrichtung zur Gewinnung grobkristalliner Salze durch Vakuumkuehlung einer Loesung in mehreren Stufen
DEW0043484 1967-03-04
DEW43674A DE1298969B (de) 1967-04-01 1967-04-01 Anwendung eines Verfahrens zur Gewinnung grobkristalliner Salze aus einer Loesung in mehreren Stufen unter staendiger Klassierung
DK85268A DK128368B (da) 1967-03-03 1968-03-01 Fremgangsmåde og apparat til udvinding og tørring af grovkornede salte.
DK489871AA DK135098B (da) 1967-04-01 1971-10-07 Fremgangsmåde til udvinding og tørring af grovkornede salte ved fordampningskrystallisation af en opløsning i flere trin under stadig klassificering.

Publications (1)

Publication Number Publication Date
IL29557A true IL29557A (en) 1971-11-29

Family

ID=27512344

Family Applications (1)

Application Number Title Priority Date Filing Date
IL29557A IL29557A (en) 1967-03-03 1968-03-01 A process and system for the production and drying of coarse salts by multi-stage crystallization in a countercurrent

Country Status (6)

Country Link
US (1) US3530924A (es)
ES (1) ES351087A1 (es)
FR (1) FR1580875A (es)
GB (1) GB1224671A (es)
IL (1) IL29557A (es)
NL (1) NL135394C (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873275A (en) * 1969-09-29 1975-03-25 Whiting Corp Crystallization apparatus and method
US4056364A (en) * 1974-08-30 1977-11-01 Amstar Corporation Two stage continuous crystallization apparatus with controls
US3981739A (en) * 1974-08-30 1976-09-21 Amstar Corporation Continuous crystallization
US4113552A (en) * 1976-08-05 1978-09-12 Whiting Corporation Elutriation leg and method
US4224035A (en) * 1978-04-03 1980-09-23 Ppg Industries Canada Ltd. Method of separating salts from solution
CA2089230A1 (en) * 1992-03-09 1993-09-10 Ralph Herman Pelto Process and apparatus for compacting silver nitrate
GB2489684A (en) * 2011-03-31 2012-10-10 Haifa Chemicals Ltd Crystallisation Apparatus
US9776104B2 (en) * 2011-12-22 2017-10-03 Dow Global Technologies Llc Process and apparatus for forced circulation evaporative crystallization with large deposit inventory
CN102614680B (zh) * 2012-04-16 2014-09-10 青岛科技大学 一种基于低能耗的咖啡因结晶方法
EP2653209A1 (de) * 2012-04-18 2013-10-23 Siemens Aktiengesellschaft Abscheidevorrichtung für Kohlendioxid und Verfahren zu deren Betrieb sowie Abtrenneinheit
WO2014040858A1 (en) * 2012-09-11 2014-03-20 Dsm Ip Assets B.V. Process for initiating an ammonium sulfate crystallization process
EP2928828B1 (en) * 2012-12-06 2016-10-05 Cap Iii B.V. Process and apparatus for producing ammonium sulfate crystals
US9732068B1 (en) 2013-03-15 2017-08-15 GenSyn Technologies, Inc. System for crystalizing chemical compounds and methodologies for utilizing the same
ES2733908T3 (es) * 2013-06-24 2019-12-03 Cap Iii Bv Procedimiento y aparato para producir cristales de sulfato de amonio
CN106267879B (zh) * 2016-09-20 2018-06-19 苏州浩波科技股份有限公司 一种连续可控的安赛蜜结晶装置

Also Published As

Publication number Publication date
FR1580875A (es) 1969-09-12
ES351087A1 (es) 1969-05-16
GB1224671A (en) 1971-03-10
NL6802832A (es) 1968-09-04
NL135394C (es) 1972-06-15
US3530924A (en) 1970-09-29

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