IE39890B1 - Minimizing fine crystals in continuous crystalliyation-by-cooling process - Google Patents

Minimizing fine crystals in continuous crystalliyation-by-cooling process

Info

Publication number
IE39890B1
IE39890B1 IE1884/74A IE188474A IE39890B1 IE 39890 B1 IE39890 B1 IE 39890B1 IE 1884/74 A IE1884/74 A IE 1884/74A IE 188474 A IE188474 A IE 188474A IE 39890 B1 IE39890 B1 IE 39890B1
Authority
IE
Ireland
Prior art keywords
solvent
stream
crystalliser
pressure
conduit
Prior art date
Application number
IE1884/74A
Other languages
English (en)
Other versions
IE39890L (en
Original Assignee
Hercules Inc
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 Hercules Inc filed Critical Hercules Inc
Publication of IE39890L publication Critical patent/IE39890L/xx
Publication of IE39890B1 publication Critical patent/IE39890B1/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0018Evaporation of components of the mixture to be separated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0018Evaporation of components of the mixture to be separated
    • B01D9/0022Evaporation of components of the mixture to be separated by reducing pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0036Crystallisation on to a bed of product crystals; Seeding
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/52Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IE1884/74A 1973-09-17 1974-09-10 Minimizing fine crystals in continuous crystalliyation-by-cooling process IE39890B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39811973A 1973-09-17 1973-09-17

Publications (2)

Publication Number Publication Date
IE39890L IE39890L (en) 1975-03-17
IE39890B1 true IE39890B1 (en) 1979-01-17

Family

ID=23574060

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1884/74A IE39890B1 (en) 1973-09-17 1974-09-10 Minimizing fine crystals in continuous crystalliyation-by-cooling process

Country Status (25)

Country Link
JP (1) JPS544943B2 (xx)
AR (1) AR204539A1 (xx)
AU (1) AU7334574A (xx)
BE (1) BE819779A (xx)
BR (1) BR7407702D0 (xx)
CA (1) CA1021253A (xx)
CH (1) CH596865A5 (xx)
DD (1) DD114003A5 (xx)
DE (1) DE2442934A1 (xx)
EG (1) EG11307A (xx)
ES (1) ES430110A1 (xx)
FI (1) FI258174A (xx)
FR (1) FR2243714A1 (xx)
GB (1) GB1443632A (xx)
HU (1) HU171447B (xx)
IE (1) IE39890B1 (xx)
IT (1) IT1021413B (xx)
LU (1) LU70909A1 (xx)
MY (1) MY7700221A (xx)
NL (1) NL7410956A (xx)
NO (1) NO743279L (xx)
PL (1) PL95238B1 (xx)
RO (1) RO64603A (xx)
TR (1) TR18366A (xx)
ZA (1) ZA745889B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3111320C2 (de) * 1981-03-23 1986-10-09 Walter Rau Lebensmittelwerke GmbH & Co. KG, 4517 Hilter Verfahren zur Kristallisation von Fetten
DE102005048881A1 (de) * 2005-10-12 2007-04-19 Forschungszentrum Karlsruhe Gmbh Verfahren zur Lösungskristallisation von Stoffgemischen
CN110975314B (zh) * 2019-11-25 2021-06-04 湖南恒光科技股份有限公司 一种氯酸钠结晶蒸发水闭式循环工艺系统及方法
CN111514605A (zh) * 2020-04-23 2020-08-11 江西赣锋锂业股份有限公司 一种间接冷凝真空冷冻结晶器
CN114288694B (zh) * 2021-12-31 2023-04-07 天津农学院 高纯碳酸锂的闪蒸汽压缩式连续结晶系统及工艺

Also Published As

Publication number Publication date
CH596865A5 (xx) 1978-03-31
BE819779A (fr) 1974-12-31
EG11307A (en) 1977-02-28
CA1021253A (en) 1977-11-22
AU7334574A (en) 1976-03-18
DD114003A5 (xx) 1975-07-12
JPS544943B2 (xx) 1979-03-12
NO743279L (xx) 1975-04-14
TR18366A (tr) 1977-05-01
PL95238B1 (xx) 1977-09-30
IT1021413B (it) 1978-01-30
BR7407702D0 (pt) 1975-07-29
ES430110A1 (es) 1977-02-16
HU171447B (hu) 1978-01-28
IE39890L (en) 1975-03-17
FR2243714A1 (xx) 1975-04-11
ZA745889B (en) 1975-09-24
DE2442934A1 (de) 1975-03-20
LU70909A1 (xx) 1975-01-02
JPS5056372A (xx) 1975-05-17
GB1443632A (en) 1976-07-21
RO64603A (fr) 1979-05-15
AR204539A1 (es) 1976-02-12
NL7410956A (nl) 1975-03-19
MY7700221A (en) 1977-12-31
FI258174A (xx) 1975-03-18

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