IT1021413B - Riduzione della formazione di cri stalli fissi in una cristallizza zione continua col processo di raf freddamento - Google Patents

Riduzione della formazione di cri stalli fissi in una cristallizza zione continua col processo di raf freddamento

Info

Publication number
IT1021413B
IT1021413B IT27322/74A IT2732274A IT1021413B IT 1021413 B IT1021413 B IT 1021413B IT 27322/74 A IT27322/74 A IT 27322/74A IT 2732274 A IT2732274 A IT 2732274A IT 1021413 B IT1021413 B IT 1021413B
Authority
IT
Italy
Prior art keywords
crystallis
reduction
formation
fixed
cooling process
Prior art date
Application number
IT27322/74A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1021413B publication Critical patent/IT1021413B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; 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)
IT27322/74A 1973-09-17 1974-09-16 Riduzione della formazione di cri stalli fissi in una cristallizza zione continua col processo di raf freddamento IT1021413B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1021413B true IT1021413B (it) 1978-01-30

Family

ID=23574060

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27322/74A IT1021413B (it) 1973-09-17 1974-09-16 Riduzione della formazione di cri stalli fissi in una cristallizza zione continua col processo di raf freddamento

Country Status (25)

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

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 (zh) 1978-03-31
BE819779A (fr) 1974-12-31
IE39890B1 (en) 1979-01-17
EG11307A (en) 1977-02-28
CA1021253A (en) 1977-11-22
AU7334574A (en) 1976-03-18
DD114003A5 (zh) 1975-07-12
JPS544943B2 (zh) 1979-03-12
NO743279L (zh) 1975-04-14
TR18366A (tr) 1977-05-01
PL95238B1 (zh) 1977-09-30
BR7407702D0 (pt) 1975-07-29
ES430110A1 (es) 1977-02-16
HU171447B (hu) 1978-01-28
IE39890L (en) 1975-03-17
FR2243714A1 (zh) 1975-04-11
ZA745889B (en) 1975-09-24
DE2442934A1 (de) 1975-03-20
LU70909A1 (zh) 1975-01-02
JPS5056372A (zh) 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 (zh) 1975-03-18

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