BE776329A - Procede de reglage automatique de la granulometrie des cristaux - Google Patents

Procede de reglage automatique de la granulometrie des cristaux

Info

Publication number
BE776329A
BE776329A BE776329A BE776329A BE776329A BE 776329 A BE776329 A BE 776329A BE 776329 A BE776329 A BE 776329A BE 776329 A BE776329 A BE 776329A BE 776329 A BE776329 A BE 776329A
Authority
BE
Belgium
Prior art keywords
granulometry
crystals
automatically adjusting
automatically
adjusting
Prior art date
Application number
BE776329A
Other languages
English (en)
Inventor
J L Fairchild
Original Assignee
Kerr Mc Gee Chem Corp
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 Kerr Mc Gee Chem Corp filed Critical Kerr Mc Gee Chem Corp
Publication of BE776329A publication Critical patent/BE776329A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C01D7/38—Preparation in the form of granules, pieces or other shaped products
    • C01D7/40—Influencing the crystallisation process
    • 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
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0063—Control or regulation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BE776329A 1970-12-08 1971-12-07 Procede de reglage automatique de la granulometrie des cristaux BE776329A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9617970A 1970-12-08 1970-12-08
US313852A US3900292A (en) 1970-12-08 1972-12-11 Automatic control of crystal size distribution

Publications (1)

Publication Number Publication Date
BE776329A true BE776329A (fr) 1972-06-07

Family

ID=26791348

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776329A BE776329A (fr) 1970-12-08 1971-12-07 Procede de reglage automatique de la granulometrie des cristaux

Country Status (6)

Country Link
US (1) US3900292A (fr)
BE (1) BE776329A (fr)
DE (1) DE2161113A1 (fr)
FR (1) FR2117498A5 (fr)
GB (1) GB1329316A (fr)
NL (1) NL7116610A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056364A (en) * 1974-08-30 1977-11-01 Amstar Corporation Two stage continuous crystallization apparatus with controls
US4159194A (en) * 1977-09-28 1979-06-26 Dart Industries Inc. Crystallization apparatus and process
US4291002A (en) * 1977-10-25 1981-09-22 Kerr-Mcgee Chemical Corporation Process for producing sodium carbonate from complex brines
US4173622A (en) * 1978-01-03 1979-11-06 Fmc Corporation Zeolite A crystals of uniformly small particle size and the manufacture thereof
HU184674B (en) * 1979-03-21 1984-09-28 Richter Gedeon Vegyeszet Method and apparatus for yielding solid material from solution by crystallization
US4435182A (en) 1979-03-21 1984-03-06 Gedeon Vegyeszeti Gyar Rt. Process for the extraction of solid material from solution by crystallization
US4337213A (en) * 1981-01-19 1982-06-29 The Clorox Company Controlled crystallization diperoxyacid process
US4552959A (en) * 1982-05-18 1985-11-12 Ciba Geigy Ag Process for producing a suspension of cyanuric chloride in water
US4478599A (en) * 1982-05-25 1984-10-23 Kerr-Mcgee Chemical Corporation Method of continuously controlling crystal fines formation
US5098667A (en) * 1989-05-05 1992-03-24 Phillips Petroleum Company Particulate flow control
US5360602A (en) * 1992-03-09 1994-11-01 Eastman Kodak Company Silver nitrate produced by a continuous evaporative crystallization process
CA2089230A1 (fr) * 1992-03-09 1993-09-10 Ralph Herman Pelto Methode de compactage de nitrate d'argent, et appareil connexe
FR2688496A1 (fr) * 1992-03-12 1993-09-17 Solvay Procede et installation pour la production de cristaux de carbonate de sodium monohydrate.
CN1027422C (zh) * 1993-02-17 1995-01-18 中国石油化工总公司 消除结晶器中晶浆里的部分细晶、制造大粒度晶体的方法
BR9807625A (pt) * 1997-02-27 2000-02-22 Ajinomoto Kk Aparelho e processo para cristalização.
DE19912699A1 (de) * 1999-03-20 2000-09-28 Domo Caproleuna Gmbh Verfahren zur Steuerung der Kristallgröße bei der kontinuierlichen Massenkristallisation
US6085912A (en) * 1999-07-13 2000-07-11 Hacking, Jr.; Earl L. Apparatus for sorting and recombining minerals background of the invention
JP5008215B2 (ja) * 2000-09-29 2012-08-22 三菱瓦斯化学株式会社 晶析方法および装置
US6379459B1 (en) * 2000-10-24 2002-04-30 The United States Of America As Represented By The Secretary Of The Interior Crystallization of powders having uniform particle sizes by Ostwald ripening at large levels of supersaturation
DE102008029050A1 (de) * 2008-06-18 2009-12-24 Gea Messo Gmbh Verfahren und Vorrichtung zur kontinuierlichen Herstellung eines Kristallisats mit konstanter Korngrößenverteilung
BR112021020319A2 (pt) * 2019-04-10 2021-12-14 Eupraxia Pharmaceuticals Inc Processo para fabricar cristais de fármaco de distribuição de tamanho e morfologia desejadas
CN118022373B (zh) * 2024-03-08 2026-05-29 青海盐湖工业股份有限公司 利用真空结晶器制备氯化钾工艺中提高氯化钾品位的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE587293C (de) * 1930-05-09 1933-11-01 Dorr Company Inc Verfahren zum Trennen fester, in einer Fluessigkeit suspendierter Stoffe
US3419899A (en) * 1965-04-16 1968-12-31 Hooker Chemical Corp Crystallization of ammonium perchlorate
US3361540A (en) * 1965-06-29 1968-01-02 Intermountain Res & Dev Corp Process for production of sodium sesquicarbonate
US3425795A (en) * 1966-08-09 1969-02-04 Allied Chem Method for preparing superdense sodium carbonate from wyoming trona and the product thereof

Also Published As

Publication number Publication date
DE2161113A1 (de) 1972-06-22
NL7116610A (fr) 1972-06-12
US3900292A (en) 1975-08-19
GB1329316A (en) 1973-09-05
FR2117498A5 (fr) 1972-07-21

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