GB1430954A - Carbon dioxide product and process and apparatus by which it is manufactured - Google Patents
Carbon dioxide product and process and apparatus by which it is manufacturedInfo
- Publication number
- GB1430954A GB1430954A GB2625773A GB2625773A GB1430954A GB 1430954 A GB1430954 A GB 1430954A GB 2625773 A GB2625773 A GB 2625773A GB 2625773 A GB2625773 A GB 2625773A GB 1430954 A GB1430954 A GB 1430954A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reactor
- liquid
- slurry
- solid
- receiver
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
- C01B32/55—Solidifying
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
1430954 Solidifying carbon dioxide AIRCO Inc 1 June 1973 [2 June 1972] 26257/73 Heading F4P A pumpable slurry of CO 2 containing 10- 85% by weight of solid in the form of finelydivided particles is formed by venting CO 2 vapour from a reactor vessel 10 containing liquid CO 2 at the triple point, whilst agitating the liquid with paddle 11 to prevent agglomeration of the solid particles formed and to disperse them in the liquid. The process is controlled by regulating the evaporation rate of CO 2 which is measured by warming the vented gas in heat exchanger 17 and passing it through a meter 19. When the process is completed, venting is stopped by closing a valve 18 and opening a valve 20 so that the slurry is transferred under pressure to a receiver 23. In a continuous process, Fig. 3, liquefied CO 2 in a storage vessel 51 is passed through an adsorber 60 and is cooled in heat exchange with the contents of the reactor 54 to prevent solid CO 2 building up on the inner wall of the reactor. The liquid CO 2 is then fed at a controlled rate via valve 66 to the reactor. CO 2 gas is vented via valve 68 and reliquefied, and product slurry is drawn off by a pump 64 and fed to a receiver 73. A filter 63 prevents any oversized particles entering the pump. The solid content of the slurry may be increased in receiver 73 by settlement, the liquid CO 2 being returned to the reactor 54.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25896272A | 1972-06-02 | 1972-06-02 | |
| AU65203/74A AU6520374A (en) | 1974-02-05 | 1974-02-05 | Carbon dioxide product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1430954A true GB1430954A (en) | 1976-04-07 |
Family
ID=25634637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2625773A Expired GB1430954A (en) | 1972-06-02 | 1973-06-01 | Carbon dioxide product and process and apparatus by which it is manufactured |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE800094A (en) |
| CA (1) | CA1067009A (en) |
| DE (1) | DE2327129C3 (en) |
| FR (1) | FR2186430B1 (en) |
| GB (1) | GB1430954A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50144693A (en) * | 1974-05-08 | 1975-11-20 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1877180A (en) * | 1929-03-13 | 1932-09-13 | Dryice Corp | Apparatus for and method of freezing carbon dioxide |
| US1884313A (en) * | 1929-12-19 | 1932-10-25 | Dryice Corp | Centrifugal method and apparatus for making solid carbon dioxide |
| US1976777A (en) * | 1931-07-08 | 1934-10-16 | Adico Dev Corp | Solid carbon dioxide machine |
-
1973
- 1973-05-16 CA CA171,520A patent/CA1067009A/en not_active Expired
- 1973-05-25 FR FR7319211A patent/FR2186430B1/fr not_active Expired
- 1973-05-25 BE BE131577A patent/BE800094A/en unknown
- 1973-05-28 DE DE2327129A patent/DE2327129C3/en not_active Expired
- 1973-06-01 GB GB2625773A patent/GB1430954A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1067009A (en) | 1979-11-27 |
| DE2327129C3 (en) | 1979-11-15 |
| DE2327129A1 (en) | 1973-12-06 |
| FR2186430B1 (en) | 1975-08-22 |
| BE800094A (en) | 1973-11-26 |
| FR2186430A1 (en) | 1974-01-11 |
| DE2327129B2 (en) | 1978-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |