DE3760406D1 - Apparatus for purifying crystals - Google Patents

Apparatus for purifying crystals

Info

Publication number
DE3760406D1
DE3760406D1 DE8787303271T DE3760406T DE3760406D1 DE 3760406 D1 DE3760406 D1 DE 3760406D1 DE 8787303271 T DE8787303271 T DE 8787303271T DE 3760406 T DE3760406 T DE 3760406T DE 3760406 D1 DE3760406 D1 DE 3760406D1
Authority
DE
Germany
Prior art keywords
purifying crystals
purifying
crystals
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.)
Expired
Application number
DE8787303271T
Other languages
German (de)
English (en)
Inventor
Shigeru Saitoh
Masaaki Shimada
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.)
Kureha Corp
Original Assignee
Kureha 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 Kureha Corp filed Critical Kureha Corp
Application granted granted Critical
Publication of DE3760406D1 publication Critical patent/DE3760406D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8787303271T 1986-04-15 1987-04-14 Apparatus for purifying crystals Expired DE3760406D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61086696A JPS62244402A (ja) 1986-04-15 1986-04-15 結晶精製装置

Publications (1)

Publication Number Publication Date
DE3760406D1 true DE3760406D1 (en) 1989-09-14

Family

ID=13894119

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787303271T Expired DE3760406D1 (en) 1986-04-15 1987-04-14 Apparatus for purifying crystals

Country Status (4)

Country Link
US (1) US4806318A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0242181B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS62244402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3760406D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2857891B2 (ja) * 1989-10-04 1999-02-17 繁 齋藤 結晶精製装置
FR2689029B1 (fr) * 1992-03-25 1994-12-16 Solvay Installation et procédé pour la cristallisation d'une substance minérale et procédé pour la cristallisation de carbonate de sodium monohydraté.
JP4565208B2 (ja) * 2000-03-31 2010-10-20 株式会社クレハ グリコリドの精製方法
CN100355476C (zh) * 2005-11-25 2007-12-19 四川大学 熔融结晶法制备高纯有机物的装置
DE102008023833B4 (de) * 2008-05-14 2013-03-21 Hapila Gmbh Anordnung und Verfahren zur Herstellung von hochreinen Kristallen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659761A (en) * 1948-08-23 1953-11-17 Dow Chemical Co Fractional crystallization method
US2851368A (en) * 1953-09-28 1958-09-09 Phillips Petroleum Co Crystal purification
US3305320A (en) * 1963-07-22 1967-02-21 Phillips Petroleum Co Purification of aluminum nitrate by alternate melting and crystallization
US3392539A (en) * 1965-08-23 1968-07-16 Phillips Petroleum Co Fractional crystallization
GB1225711A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-04-02 1971-03-24
SU715100A1 (ru) * 1976-10-04 1980-02-15 Предприятие П/Я Р-6273 Способ кристаллизации из растворов
JPS5680202U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-11-22 1981-06-29
JPS5830303A (ja) * 1981-08-18 1983-02-22 Kohjin Co Ltd 多段再結晶方法およびその装置
JPS594401A (ja) * 1982-06-29 1984-01-11 Kureha Chem Ind Co Ltd 結晶精製装置
JPS6025504A (ja) * 1983-07-21 1985-02-08 Kureha Chem Ind Co Ltd 結晶精製装置

Also Published As

Publication number Publication date
JPS62244402A (ja) 1987-10-24
EP0242181A2 (en) 1987-10-21
EP0242181B1 (en) 1989-08-09
EP0242181A3 (en) 1988-04-27
US4806318A (en) 1989-02-21
JPH0556161B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-08-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee