CA1144056A - Continuous packed bed wash column - Google Patents

Continuous packed bed wash column

Info

Publication number
CA1144056A
CA1144056A CA000330643A CA330643A CA1144056A CA 1144056 A CA1144056 A CA 1144056A CA 000330643 A CA000330643 A CA 000330643A CA 330643 A CA330643 A CA 330643A CA 1144056 A CA1144056 A CA 1144056A
Authority
CA
Canada
Prior art keywords
ice crystals
packed bed
aqueous solution
slurry
washfront
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
CA000330643A
Other languages
English (en)
French (fr)
Inventor
Henricus A.C. Thijssen
Bernardus G.M. Van Der Malen
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.)
Douwe Egberts Koninklijke Tabaksfabriek Koffiebranderijen Theehandel NV
Original Assignee
Douwe Egberts Koninklijke Tabaksfabriek Koffiebranderijen Theehandel NV
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 Douwe Egberts Koninklijke Tabaksfabriek Koffiebranderijen Theehandel NV filed Critical Douwe Egberts Koninklijke Tabaksfabriek Koffiebranderijen Theehandel NV
Application granted granted Critical
Publication of CA1144056A publication Critical patent/CA1144056A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/22—Treatment of water, waste water, or sewage by freezing
    • 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
    • B01D9/0045—Washing of crystals, e.g. in wash columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/02—Crystallisation from solutions
    • B01D9/04—Crystallisation from solutions concentrating solutions by removing frozen solvent therefrom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Physical Water Treatments (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Centrifugal Separators (AREA)
  • Meat, Egg Or Seafood Products (AREA)
CA000330643A 1978-06-23 1979-06-22 Continuous packed bed wash column Expired CA1144056A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB27792/78 1978-06-23
GB7827792 1978-06-23

Publications (1)

Publication Number Publication Date
CA1144056A true CA1144056A (en) 1983-04-05

Family

ID=10498116

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000330643A Expired CA1144056A (en) 1978-06-23 1979-06-22 Continuous packed bed wash column

Country Status (12)

Country Link
JP (1) JPS5913882B2 (nl)
AU (1) AU518789B2 (nl)
BR (1) BR7903889A (nl)
CA (1) CA1144056A (nl)
CH (1) CH643150A5 (nl)
DE (1) DE2923854A1 (nl)
FR (1) FR2433966B1 (nl)
GB (1) GB2023564B (nl)
IT (1) IT1162744B (nl)
NL (1) NL178392C (nl)
SE (1) SE449448B (nl)
ZA (1) ZA792809B (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105872A (nl) * 1981-12-28 1983-07-18 Douwe Egberts Tabaksfab Waskolom.
NL8202517A (nl) * 1982-06-22 1984-01-16 Tno Inrichting voor het verdichten van een suspensie.
NL8202518A (nl) * 1982-06-22 1984-01-16 Tno Werkwijze en inrichting voor het in tegenstroom behandelen van gesuspendeerde deeltjes met een vloeistof.
NL8402536A (nl) * 1984-08-17 1986-03-17 Tno Werkwijze voor het afscheiden van suspensievloeistof van in een suspensie aanwezige vaste stofdeeltjes en wassen van het verkregen samengepakte bed van vaste stofdeeltjes met een wasvloeistof in tegenstroom.
NL8600461A (nl) * 1986-02-24 1987-09-16 Percy Cohen Henriquez Statische waskolom.
DE10036880A1 (de) * 2000-07-28 2002-02-07 Basf Ag Regelung einer Waschkolonne in einem Schmelzkristallisationsprozess
DE10242746B4 (de) 2002-09-13 2010-07-01 Evonik Degussa Gmbh Waschvorrichtung, ein Verfahren zur Aufreinigung eines Waschguts sowie die Verwendung der Waschvorrichtung
EP1876147A1 (en) * 2006-07-05 2008-01-09 Bp Exploration Operating Company Limited Desalination process
EP2130572A1 (en) * 2008-06-06 2009-12-09 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Rotating knife, washing column, and method for disintegrating a crystal bed in a washing column
WO2011138005A1 (en) 2010-05-04 2011-11-10 Solvay Chemicals, Inc. Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives
CN112774244B (zh) * 2020-12-30 2022-09-23 江苏楷益智能科技有限公司 一种刮刀式表面结晶器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215605B (de) * 1958-11-15 1966-04-28 Carrier Corp Verfahren und Vorrichtung zur Gewinnung von Trinkwasser aus einer Salzloesung
GB1111933A (en) * 1966-01-07 1968-05-01 Atomic Energy Authority Uk Improvements in or relating to desalination
US3587859A (en) * 1968-07-30 1971-06-28 Ronald F Probstein Method of separating solid particles from a slurry with wash column separators
JPS5441559B1 (nl) * 1971-05-22 1979-12-08
US3813892A (en) * 1971-08-23 1974-06-04 Avco Corp Water purification system
JPS4974171A (nl) * 1972-10-20 1974-07-17
US3992170A (en) * 1975-03-20 1976-11-16 Dravo Corporation Method and apparatus for melting ice in saline water conversion systems
FR2334627A1 (fr) * 1975-12-09 1977-07-08 Saksir Fernand Procede de dessalement de l'eau de mer et dispositif pour la mise en oeuvre de ce procede
GB1555357A (en) * 1976-10-15 1979-11-07 Douwe Egberts Koninlijke Tabak Apparatus and process for the separation of crystals and mother liquor
GB1589477A (en) * 1977-01-12 1981-05-13 Douwe Egberts Tabaksfab Freeze concentration apparatus

Also Published As

Publication number Publication date
IT1162744B (it) 1987-04-01
GB2023564A (en) 1980-01-03
NL7904919A (nl) 1979-12-28
GB2023564B (en) 1982-09-08
SE449448B (sv) 1987-05-04
NL178392B (nl) 1985-10-16
FR2433966B1 (fr) 1985-07-19
AU4811479A (en) 1980-01-03
BR7903889A (pt) 1980-02-20
CH643150A5 (en) 1984-05-30
ZA792809B (en) 1980-06-25
SE7905314L (sv) 1979-12-24
JPS558895A (en) 1980-01-22
DE2923854A1 (de) 1980-01-10
IT7923784A0 (it) 1979-06-21
JPS5913882B2 (ja) 1984-04-02
AU518789B2 (en) 1981-10-22
NL178392C (nl) 1986-03-17
DE2923854C2 (nl) 1988-02-04
FR2433966A1 (fr) 1980-03-21

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Legal Events

Date Code Title Description
MKEX Expiry