DE2161113A1 - Verfahren zur automatischen Kontrolle der Kristallgrößenverteilung - Google Patents

Verfahren zur automatischen Kontrolle der Kristallgrößenverteilung

Info

Publication number
DE2161113A1
DE2161113A1 DE19712161113 DE2161113A DE2161113A1 DE 2161113 A1 DE2161113 A1 DE 2161113A1 DE 19712161113 DE19712161113 DE 19712161113 DE 2161113 A DE2161113 A DE 2161113A DE 2161113 A1 DE2161113 A1 DE 2161113A1
Authority
DE
Germany
Prior art keywords
crystals
slurry
crystallizer
product
size distribution
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DE19712161113
Other languages
German (de)
English (en)
Inventor
James Logan Trona Calif. Fairchild (V.StA.). P
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KERR MC GEE CHEMICAL CORP
Original Assignee
KERR MC GEE CHEMICAL 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 CHEMICAL CORP filed Critical KERR MC GEE CHEMICAL CORP
Publication of DE2161113A1 publication Critical patent/DE2161113A1/de
Pending legal-status Critical Current

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)
DE19712161113 1970-12-08 1971-12-06 Verfahren zur automatischen Kontrolle der Kristallgrößenverteilung Pending DE2161113A1 (de)

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
DE2161113A1 true DE2161113A1 (de) 1972-06-22

Family

ID=26791348

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712161113 Pending DE2161113A1 (de) 1970-12-08 1971-12-06 Verfahren zur automatischen Kontrolle der Kristallgrößenverteilung

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002960A1 (en) * 1978-01-03 1979-07-11 FMC Corporation Manufacture of zeolite A crystals of uniformly small particle size
DE19912699A1 (de) * 1999-03-20 2000-09-28 Domo Caproleuna Gmbh Verfahren zur Steuerung der Kristallgröße bei der kontinuierlichen Massenkristallisation

Families Citing this family (19)

* 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
US4435182A (en) 1979-03-21 1984-03-06 Gedeon Vegyeszeti Gyar Rt. Process for the extraction of solid material from solution by crystallization
HU184674B (en) * 1979-03-21 1984-09-28 Richter Gedeon Vegyeszet Method and apparatus for yielding 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
CA2089230A1 (en) * 1992-03-09 1993-09-10 Ralph Herman Pelto Process and apparatus for compacting silver nitrate
US5360602A (en) * 1992-03-09 1994-11-01 Eastman Kodak Company Silver nitrate produced by a continuous evaporative crystallization process
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
KR100462423B1 (ko) * 1997-02-27 2004-12-17 아지노모토 가부시키가이샤 정석 장치 및 정석 방법
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

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002960A1 (en) * 1978-01-03 1979-07-11 FMC Corporation Manufacture of zeolite A crystals of uniformly small particle size
DE19912699A1 (de) * 1999-03-20 2000-09-28 Domo Caproleuna Gmbh Verfahren zur Steuerung der Kristallgröße bei der kontinuierlichen Massenkristallisation
DE10080665B4 (de) * 1999-03-20 2009-04-30 Domo Caproleuna Gmbh Verfahren zur Steuerung der Kristallgröße bei der kontinuierlichen Massenkristallisation

Also Published As

Publication number Publication date
FR2117498A5 (enExample) 1972-07-21
NL7116610A (enExample) 1972-06-12
US3900292A (en) 1975-08-19
GB1329316A (en) 1973-09-05
BE776329A (fr) 1972-06-07

Similar Documents

Publication Publication Date Title
DE2161113A1 (de) Verfahren zur automatischen Kontrolle der Kristallgrößenverteilung
EP1286737B1 (de) Vorrichtung zur herstellung von kristallen
DE69300767T2 (de) Kristallisationsverfahren in einem umlenkkristallisator mit ablenkscheiben.
DE68914058T2 (de) Verfahren und Vorrichtung zum Kristallisieren eines Minerals.
DE3609662A1 (de) Bauxitaufschluss nach dem bayer-verfahren
DE60118766T2 (de) Verfahren und vorrichtung zur kristallisierung
DE2008847C3 (de) Verfahren zur Rekristallisation von Natriumchlorid
DE2627871C2 (de) Verfahren zur Gewinnung von grobem K2 SO4 in Kristallisatoren mit innerer Umwälzung und klassierendem Salzabzug
DE2808424C2 (enExample)
DE2221298A1 (de) Verfahren zur herstellung von natriumpyrosulfit
EP0003065B1 (de) Verfahren zur Gewinnung von Kaliumchlorid
EP0627384B1 (de) Verfahren und Vorrichtung zur Behandlung eines Kaliumchloridgemenges
CH365367A (de) Zweistufen-Einrichtung für die Abführung von Schlamm aus einem Aufschlämmbehälter
DE1205504B (de) Verfahren zur Gewinnung von Alkalidithionit aus seiner Loesung durch Kuehlung und Kristallisieren
DE2908762C2 (enExample)
DE2061111C2 (de) Kontinuierliches Verfahren zum Kristallisieren von Lösungsmittel aus einer Lösung
DE1467250B2 (de) Verfahren zur Herstellung von ausgefälltem Aluminiumoxydtrihydrat mit einem Sodagehalt von höchstens 0,10 %
EP0345654A2 (de) Verfahren zur Entfernung von Natriumoxalat aus alkalischen Aluminatlaugen
DE2752856C2 (de) Verfahren zur kontinuierlichen Kristallisation aus einer Lösung
DE869934C (de) Verfahren und Vorrichtung der kontinuierlichen Kristallisation unter Faellung aus Mutterlaugen
DE2627870C2 (de) Verfahren zur Herstellung von grobkristallinem Natriumchlorid
DE3743015A1 (de) Verfahren und vorrichtung zur kontinuierlichen kristallisation von fuellstoffmassen mittlerer und niedriger reinheit bei der zuckerraffinierung
DE2032744C3 (de) Verfahren zur Behandlung von Melasse
DE3831305C2 (enExample)
DE3816061C1 (en) Process for preparing potassium carbonate