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 liquidInfo
- 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
Links
- 239000013078 crystal Substances 0.000 title 3
- 239000007864 aqueous solution Substances 0.000 title 2
- 238000005406 washing Methods 0.000 title 2
- 239000007788 liquid Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000725 suspension Substances 0.000 title 1
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)
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)
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)
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)
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 |
-
1979
- 1979-06-06 ZA ZA792809A patent/ZA792809B/en unknown
- 1979-06-13 DE DE19792923854 patent/DE2923854A1/en active Granted
- 1979-06-15 SE SE7905314A patent/SE449448B/en not_active IP Right Cessation
- 1979-06-15 AU AU48114/79A patent/AU518789B2/en not_active Ceased
- 1979-06-19 FR FR7915642A patent/FR2433966B1/en not_active Expired
- 1979-06-20 BR BR7903889A patent/BR7903889A/en not_active IP Right Cessation
- 1979-06-21 CH CH578579A patent/CH643150A5/en not_active IP Right Cessation
- 1979-06-21 IT IT23784/79A patent/IT1162744B/en active
- 1979-06-22 CA CA000330643A patent/CA1144056A/en not_active Expired
- 1979-06-22 GB GB7921808A patent/GB2023564B/en not_active Expired
- 1979-06-22 NL NLAANVRAGE7904919,A patent/NL178392C/en not_active IP Right Cessation
- 1979-06-22 JP JP54078235A patent/JPS5913882B2/en not_active Expired
Cited By (1)
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 |