GB738500A - Methods or processes of extracting a solute from a solution - Google Patents
Methods or processes of extracting a solute from a solutionInfo
- Publication number
- GB738500A GB738500A GB2103052A GB2103052A GB738500A GB 738500 A GB738500 A GB 738500A GB 2103052 A GB2103052 A GB 2103052A GB 2103052 A GB2103052 A GB 2103052A GB 738500 A GB738500 A GB 738500A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- solvent
- extracting
- solute
- extracting solvent
- 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
- 238000000034 method Methods 0.000 title abstract 3
- 239000002904 solvent Substances 0.000 abstract 14
- 239000000243 solution Substances 0.000 abstract 10
- 239000003153 chemical reaction reagent Substances 0.000 abstract 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 abstract 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 3
- 239000011324 bead Substances 0.000 abstract 3
- 229920000642 polymer Polymers 0.000 abstract 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 abstract 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 229910052793 cadmium Inorganic materials 0.000 abstract 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical class [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 229910052740 iodine Inorganic materials 0.000 abstract 2
- 239000011630 iodine Substances 0.000 abstract 2
- 229920005990 polystyrene resin Polymers 0.000 abstract 2
- NIAAGQAEVGMHPM-UHFFFAOYSA-N 4-methylbenzene-1,2-dithiol Chemical compound CC1=CC=C(S)C(S)=C1 NIAAGQAEVGMHPM-UHFFFAOYSA-N 0.000 abstract 1
- 239000004793 Polystyrene Substances 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 229920006037 cross link polymer Polymers 0.000 abstract 1
- 150000004662 dithiols Chemical class 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 230000000873 masking effect Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 229920002223 polystyrene Polymers 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229920001059 synthetic polymer Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/13—Iodine; Hydrogen iodide
- C01B7/14—Iodine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0492—Applications, solvents used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
In a method of extracting a solute from a solution of it in one solvent by contacting the solution with a second solvent in which the solute is also soluble and which is immiscible or very nearly so with the first solvent, the second or extracting solvent is absorbed by beads, granules or like particles of a synthetic organic high polymer, e.g. a cross-linked polymer insoluble in all ordinary solvents such as a cross-linked polystyrene which neither solvent will dissolve, but which is swollen by the second or extracting solvent. The extracting solvent may be modified by the addition of a reagent, e.g. carboxylic acids, amines, having negligibly low solubility in the first solvent, and which renders the extracting agent specific or selective with respect to a solute or solutes present in the solution to be treated. The absorption of the extracting solvent, with or without the addition of special reagents, by the synthetic polymer which may be packed into a tower either previously or subsequently to the absorption, may be effected previously to passing the solution through the packed tower or the extracting solvent, with or without the addition of a special reagent, may be mixed with the solution which is then passed through the packed tower. Alternatively, the special reagent may be added to the solution which is then passed through the bed of the polymer containing the absorbed extracting solvent or the solution is contacted with the extracting solvent with or without special reagent added and then the polymer is added and allowed to absorb the extracting solvent, together with the extracted solute. The solution to be extracted may have a complex-forming reagent added thereto to solubilize the desired solute and may further be prepared by the addition of a buffer to adjust the pH to the optimal value for the section of a particular solute or solutes, or by the addition of a masking agent for modifying the extraction characteristics. In an example iodine is extracted from aqueous solution by passing through a column packed with beads of cross-linked polystyrene resin previously allowed to swell in carbon tetrachloride the iodine being subsequently recovered by treating the packing with potassium iodide. In another example salts of cadmium, lead and tin in decinormal hydrochloric acid solution were separated by passing through a column packed with beads of cross-linked polystyrene resin treated with a solution of 0.1 per cent "dithiol" (4-methyl-1, 2-dimercapto-benzene) in carbon tetrachloride when the cadmium came out in the effluent, the lead and tin being retained in the column, the lead being brought out on passing 2N hydrochloric acid through the column, the tin remaining in the column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2103052A GB738500A (en) | 1952-08-21 | 1952-08-21 | Methods or processes of extracting a solute from a solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2103052A GB738500A (en) | 1952-08-21 | 1952-08-21 | Methods or processes of extracting a solute from a solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB738500A true GB738500A (en) | 1955-10-12 |
Family
ID=10155993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2103052A Expired GB738500A (en) | 1952-08-21 | 1952-08-21 | Methods or processes of extracting a solute from a solution |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB738500A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348367A (en) | 1980-08-28 | 1982-09-07 | American Cyanamid Company | Selective removal of cobalt(II) from aqueous solutions with phosphinic extractants |
| US4353883A (en) | 1980-08-28 | 1982-10-12 | American Cyanamid Company | Selective extraction of cobalt(II) from aqueous solutions with phosphinic acid extractants |
| US4382016A (en) | 1981-05-14 | 1983-05-03 | American Cyanamid Company | Extractant for the selective removal of cobalt(II) from aqueous solutions |
-
1952
- 1952-08-21 GB GB2103052A patent/GB738500A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348367A (en) | 1980-08-28 | 1982-09-07 | American Cyanamid Company | Selective removal of cobalt(II) from aqueous solutions with phosphinic extractants |
| US4353883A (en) | 1980-08-28 | 1982-10-12 | American Cyanamid Company | Selective extraction of cobalt(II) from aqueous solutions with phosphinic acid extractants |
| US4382016A (en) | 1981-05-14 | 1983-05-03 | American Cyanamid Company | Extractant for the selective removal of cobalt(II) from aqueous solutions |
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