FR2549385B1 - Appareil pour purifier des cristaux, notamment du naphtalene ou derives, ou analogues - Google Patents

Appareil pour purifier des cristaux, notamment du naphtalene ou derives, ou analogues

Info

Publication number
FR2549385B1
FR2549385B1 FR8411545A FR8411545A FR2549385B1 FR 2549385 B1 FR2549385 B1 FR 2549385B1 FR 8411545 A FR8411545 A FR 8411545A FR 8411545 A FR8411545 A FR 8411545A FR 2549385 B1 FR2549385 B1 FR 2549385B1
Authority
FR
France
Prior art keywords
derivatives
especially naphthalene
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
FR8411545A
Other languages
English (en)
Other versions
FR2549385A1 (fr
Inventor
Shigeru Saitoh
Masaaki Shimada
Takeshi Imura
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
Publication of FR2549385A1 publication Critical patent/FR2549385A1/fr
Application granted granted Critical
Publication of FR2549385B1 publication Critical patent/FR2549385B1/fr
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
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR8411545A 1983-07-21 1984-07-20 Appareil pour purifier des cristaux, notamment du naphtalene ou derives, ou analogues Expired FR2549385B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58133209A JPS6025504A (ja) 1983-07-21 1983-07-21 結晶精製装置

Publications (2)

Publication Number Publication Date
FR2549385A1 FR2549385A1 (fr) 1985-01-25
FR2549385B1 true FR2549385B1 (fr) 1987-01-30

Family

ID=15099278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8411545A Expired FR2549385B1 (fr) 1983-07-21 1984-07-20 Appareil pour purifier des cristaux, notamment du naphtalene ou derives, ou analogues

Country Status (5)

Country Link
US (1) US4588562A (fr)
JP (1) JPS6025504A (fr)
DE (1) DE3426880A1 (fr)
FR (1) FR2549385B1 (fr)
GB (1) GB2146257B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62244402A (ja) * 1986-04-15 1987-10-24 Kureha Chem Ind Co Ltd 結晶精製装置
US4978509A (en) * 1986-11-18 1990-12-18 The United States Of America As Represented By The United States Department Of Energy Lamella settler crystallizer
JP2857891B2 (ja) * 1989-10-04 1999-02-17 繁 齋藤 結晶精製装置
DE4041669C1 (en) * 1990-12-22 1992-03-12 Santrade Ltd., Luzern, Ch Continuous purificn. of chemical substances - comprises solidifying molten substance into tablets by passing under coolant nozzles and subjecting to hot gas stream to (sweat) tablets
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.
JPH08501982A (ja) * 1992-10-06 1996-03-05 メルク エンド カンパニー インコーポレーテッド 複式噴射晶析装置
JP4354582B2 (ja) * 1999-08-23 2009-10-28 株式会社クレハ 結晶精製装置及び方法
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
GB201121401D0 (en) * 2011-12-13 2012-01-25 Univ Heriot Watt Device for inducing nucleation
KR101184795B1 (ko) * 2012-02-03 2012-09-20 강석웅 자원 회수를 위한 결정화 반응장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800411A (en) * 1954-03-31 1957-07-23 Phillips Petroleum Co Crystal purification apparatus and process
US2886587A (en) * 1954-07-06 1959-05-12 Phillips Petroleum Co Separation by crystallization
US2881230A (en) * 1955-09-26 1959-04-07 Phillips Petroleum Co Fractional crystallization process
US2956414A (en) * 1955-10-27 1960-10-18 Schmerbeck Apparatus for concentration of solutions by selective freezing of solvent
GB1246277A (en) * 1967-12-29 1971-09-15 Benzole Producers Ltd Improvements in the crystallisation of substances
FR2005399A1 (fr) * 1968-04-02 1969-12-12 Kureha Chemical Ind Co Ltd
GB1349958A (en) * 1970-07-02 1974-04-10 Kureha Chemical Ind Co Ltd Apparatus for purifying crystals
JPS5680202U (fr) * 1979-11-22 1981-06-29

Also Published As

Publication number Publication date
GB8418463D0 (en) 1984-08-22
GB2146257A (en) 1985-04-17
US4588562A (en) 1986-05-13
JPS6025504A (ja) 1985-02-08
DE3426880A1 (de) 1985-04-25
GB2146257B (en) 1987-01-21
JPH0315481B2 (fr) 1991-03-01
FR2549385A1 (fr) 1985-01-25

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Legal Events

Date Code Title Description
ST Notification of lapse