NL7904919A - Method and device for separating the ice crystals present in a suspension of ice crystals in an aqueous solution from the aqueous solution and for washing the ice crystals with an aqueous washing liquid - Google Patents

Method and device for separating the ice crystals present in a suspension of ice crystals in an aqueous solution from the aqueous solution and for washing the ice crystals with an aqueous washing liquid

Info

Publication number
NL7904919A
NL7904919A NL7904919A NL7904919A NL7904919A NL 7904919 A NL7904919 A NL 7904919A NL 7904919 A NL7904919 A NL 7904919A NL 7904919 A NL7904919 A NL 7904919A NL 7904919 A NL7904919 A NL 7904919A
Authority
NL
Netherlands
Prior art keywords
ice crystals
aqueous solution
washing
aqueous
suspension
Prior art date
Application number
NL7904919A
Other languages
Dutch (nl)
Other versions
NL178392B (en
NL178392C (en
Original Assignee
Douwe Egberts Tabaksfab
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 Tabaksfab filed Critical Douwe Egberts Tabaksfab
Publication of NL7904919A publication Critical patent/NL7904919A/en
Publication of NL178392B publication Critical patent/NL178392B/en
Application granted granted Critical
Publication of NL178392C publication Critical patent/NL178392C/en

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)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (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)
NLAANVRAGE7904919,A 1978-06-23 1979-06-22 Method and device for separating the ice crystals present in a suspension of ice crystals in an aqueous solution from the aqueous solution and for washing the ice crystals with a water washing liquid. NL178392C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7827792 1978-06-23

Publications (3)

Publication Number Publication Date
NL7904919A true NL7904919A (en) 1979-12-28
NL178392B NL178392B (en) 1985-10-16
NL178392C NL178392C (en) 1986-03-17

Family

ID=10498116

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7904919,A NL178392C (en) 1978-06-23 1979-06-22 Method and device for separating the ice crystals present in a suspension of ice crystals in an aqueous solution from the aqueous solution and for washing the ice crystals with a water washing liquid.

Country Status (12)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4481169A (en) * 1981-12-28 1984-11-06 Douwe Egberts Koninklijke Tabaksfabriek-Koffiebranderijen-Theehandel N.V. Washing column

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8202517A (en) * 1982-06-22 1984-01-16 Tno DEVICE FOR COMPACTING A SUSPENSION.
NL8202518A (en) * 1982-06-22 1984-01-16 Tno METHOD AND APPARATUS FOR COUNTERFLOW TREATMENT OF SUSPENDED PARTICLES WITH A LIQUID
NL8402536A (en) * 1984-08-17 1986-03-17 Tno METHOD FOR SEPARATING SUSPENSION LIQUID FROM SUSPENSION SOLID PARTICLES AND WASHING OF THE OBTAINED COMPACT BED OF SOLID PARTICLES WITH COUNTERFLOW WASHING LIQUID.
NL8600461A (en) * 1986-02-24 1987-09-16 Percy Cohen Henriquez STATIC WASHING COLUMN.
DE10036880A1 (en) * 2000-07-28 2002-02-07 Basf Ag Control of a washing column in a melt crystallization process
DE10242746B4 (en) 2002-09-13 2010-07-01 Evonik Degussa Gmbh Washing device, a process for cleaning a laundry and the use of the washing device
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
US8771622B2 (en) 2010-05-04 2014-07-08 Solvay Chemicals, Inc. Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives
CN112774244B (en) * 2020-12-30 2022-09-23 江苏楷益智能科技有限公司 Scraper type surface crystallizer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215605B (en) * 1958-11-15 1966-04-28 Carrier Corp Method and device for obtaining drinking water from a salt solution
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 (en) * 1971-05-22 1979-12-08
US3813892A (en) * 1971-08-23 1974-06-04 Avco Corp Water purification system
JPS4974171A (en) * 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 (en) * 1975-12-09 1977-07-08 Saksir Fernand Desalination by freezing seawater and washing the ice - to dissolve surface salts avoids problems of highly corrosive deposits
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4481169A (en) * 1981-12-28 1984-11-06 Douwe Egberts Koninklijke Tabaksfabriek-Koffiebranderijen-Theehandel N.V. Washing column

Also Published As

Publication number Publication date
NL178392B (en) 1985-10-16
FR2433966A1 (en) 1980-03-21
CH643150A5 (en) 1984-05-30
FR2433966B1 (en) 1985-07-19
AU518789B2 (en) 1981-10-22
AU4811479A (en) 1980-01-03
SE449448B (en) 1987-05-04
NL178392C (en) 1986-03-17
ZA792809B (en) 1980-06-25
SE7905314L (en) 1979-12-24
DE2923854A1 (en) 1980-01-10
BR7903889A (en) 1980-02-20
CA1144056A (en) 1983-04-05
JPS5913882B2 (en) 1984-04-02
GB2023564A (en) 1980-01-03
IT1162744B (en) 1987-04-01
GB2023564B (en) 1982-09-08
IT7923784A0 (en) 1979-06-21
JPS558895A (en) 1980-01-22
DE2923854C2 (en) 1988-02-04

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 19990622