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 (fr)
ES (1) ES351087A1 (fr)
FR (1) FR1580875A (fr)
GB (1) GB1224671A (fr)
IL (1) IL29557A (fr)
NL (1) NL135394C (fr)

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 (fr) * 1992-03-09 1993-09-10 Ralph Herman Pelto Methode de compactage de nitrate d'argent, et appareil connexe
GB2489684A (en) * 2011-03-31 2012-10-10 Haifa Chemicals Ltd Crystallisation Apparatus
WO2013096122A1 (fr) * 2011-12-22 2013-06-27 Dow Global Technologies Llc Procédé et appareil pour une cristallisation par évaporation à circulation forcée avec un inventaire de dépôt important
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 (fr) * 2012-04-18 2013-10-23 Siemens Aktiengesellschaft Dispositif de séparation du dioxyde de carbone et son procédé de fonctionnement ainsi qu'unité de séparation
WO2014040858A1 (fr) * 2012-09-11 2014-03-20 Dsm Ip Assets B.V. Procédé d'initiation d'un processus de cristallisation de sulfate d'ammonium
WO2014086676A1 (fr) * 2012-12-06 2014-06-12 Dsm Ip Assets B.V. Procédé et appareil pour la production de cristaux de sulfate d'ammonium
US9732068B1 (en) 2013-03-15 2017-08-15 GenSyn Technologies, Inc. System for crystalizing chemical compounds and methodologies for utilizing the same
EP3013748B1 (fr) 2013-06-24 2019-05-22 Cap Iii B.V. Procédé et dispositif pour produire des cristaux de sulfate d'ammonium
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 (fr) 1969-09-12
US3530924A (en) 1970-09-29
GB1224671A (en) 1971-03-10
NL135394C (fr) 1972-06-15
NL6802832A (fr) 1968-09-04
ES351087A1 (es) 1969-05-16

Similar Documents

Publication Publication Date Title
IL29557A (en) A process and system for the production and drying of coarse salts by multi-stage crystallization in a countercurrent
CN106115804A (zh) 一种用于硫酸钴高效浓缩和连续结晶的装置系统
CN101391155B (zh) 一种高效结晶装置
US3194682A (en) Sugar product and method of producing same
CN102583459A (zh) 一种含水七水硫酸镁制取一水硫酸镁的工艺
US4404038A (en) Process and installation for producing lactose crystals
US3137544A (en) Crystallizing apparatus and method of operating the same
US2090187A (en) Manufacture of starch
US4536377A (en) Process for making sodium tripolyphosphate
US1874735A (en) Process of dehydrating magnesium chloride
CN110237558B (zh) 一种具有连续细晶消除循环的一体化结晶装置及结晶方法
US2369231A (en) Production of crystalline dextrose
CN110860105A (zh) 利用冷却结晶生产溶解度随温度变化无机盐的设备及方法
US3837812A (en) Rotating disc contactor
CN212282946U (zh) 利用冷却结晶生产溶解度随温度变化无机盐的设备
Svanoe “KRYSTAL” CLASSIFYING CRYSTALLIZER
US1907988A (en) Preparation of anhydrous caustic
US1768399A (en) Method and apparatus for the manufacture of salt
CN206654739U (zh) 一种制备大颗粒食品级氯化钾的装置
SU826171A1 (ru) Способ охлаждения сыпучих матер
CN107353235A (zh) 一种牛硫磺的蒸发结晶方法
CA2274355C (fr) Methode de purification de precurseurs d'ester de carbazole de l'acide 6-chloro-.alpha.-methyle-carbazole-2-acetique
ES2674950T3 (es) Proceso y aparato para iniciar un proceso de cristalización de sulfato de amonio
CN112010750A (zh) 一种特定细目一水柠檬酸钾的制备方法
Bakker-Arkema et al. Drying in commercial rice parboiling plants