GB232936A - An improved process for purifying, enriching or refining crude graphite - Google Patents
An improved process for purifying, enriching or refining crude graphiteInfo
- Publication number
- GB232936A GB232936A GB8123/25A GB812325A GB232936A GB 232936 A GB232936 A GB 232936A GB 8123/25 A GB8123/25 A GB 8123/25A GB 812325 A GB812325 A GB 812325A GB 232936 A GB232936 A GB 232936A
- Authority
- GB
- United Kingdom
- Prior art keywords
- graphite
- water
- sieved
- triturated
- sieving
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 8
- 229910002804 graphite Inorganic materials 0.000 title abstract 8
- 239000010439 graphite Substances 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 2
- 238000007670 refining Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 238000005188 flotation Methods 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 238000007873 sieving Methods 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
- 235000013980 iron oxide Nutrition 0.000 abstract 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 238000001665 trituration Methods 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
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/21—After-treatment
- C01B32/215—Purification; Recovery or purification of graphite formed in iron making, e.g. kish graphite
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
To remove the siliceous and other impurities present in crude graphite the latter is crushed, triturated in a moist condition, sieved in the presence of water and finally subjected to a flotation process. The trituration is preferably effected by means of metal cones, sufficient water being added to form the graphite into a paste. Silica and the aluminium and iron oxides present are reduced to a finely divided condition and may be separated from the larger particles of graphite by means of a pneumatically-operated vibrating sieve provided with a metallic net. While the graphite is being sieved it is sprayed with water. After sieving, the graphite is further purified by flotation, the coarser particles being returned to the triturating apparatus. When a greater degree of purity is required, the graphite after treatment as above described is heated to about 700 DEG C. in a kiln with sodium carbonate and the product either triturated, sieved &c. as before, or is treated with dilute acid, for example hydrochloric acid, and washed with water to remove the excess acid and soluble matter, the resulting purified graphite and very finely divided silica being separated by sieving in the presence of water.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR580570T | 1924-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB232936A true GB232936A (en) | 1925-08-20 |
Family
ID=8956881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8123/25A Expired GB232936A (en) | 1924-04-23 | 1925-03-26 | An improved process for purifying, enriching or refining crude graphite |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1614352A (en) |
| FR (1) | FR580570A (en) |
| GB (1) | GB232936A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995003890A1 (en) * | 1993-08-03 | 1995-02-09 | Indresco Inc. | Beneficiation of flake graphite |
| CN110745820A (en) * | 2019-12-04 | 2020-02-04 | 辽宁工程技术大学 | Purification method of smokeless coal-based microcrystalline graphite for preparing lithium ion battery negative electrode material |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2556496A (en) * | 1947-12-09 | 1951-06-12 | Great Lakes Carbon Corp | Purification of coal |
| US3170764A (en) * | 1959-05-06 | 1965-02-23 | Agrashell Inc | Process for producing non-magnetic finely ground materials such as charcoal and calcium carbonate |
| MX2019011542A (en) * | 2017-03-31 | 2019-12-16 | Arcelormittal | A method for the manufacture of graphene oxide from kish graphite. |
| MX2019011546A (en) | 2017-03-31 | 2019-11-18 | Arcelormittal | A method for the manufacture of reduced graphene oxide from kish graphite. |
| CN111807359B (en) * | 2020-06-01 | 2022-03-15 | 广东邦普循环科技有限公司 | Graphite purification and lattice reconstruction method in power battery |
-
1924
- 1924-04-23 FR FR580570D patent/FR580570A/en not_active Expired
-
1925
- 1925-03-26 GB GB8123/25A patent/GB232936A/en not_active Expired
- 1925-04-08 US US21701A patent/US1614352A/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995003890A1 (en) * | 1993-08-03 | 1995-02-09 | Indresco Inc. | Beneficiation of flake graphite |
| GB2285973A (en) * | 1993-08-03 | 1995-08-02 | Indresco Inc | Beneficiation of flake graphite |
| US5518189A (en) * | 1993-08-03 | 1996-05-21 | Harbison-Walker Refractories Company | Beneficiation of flake graphite |
| GB2285973B (en) * | 1993-08-03 | 1996-12-18 | Indresco Inc | Beneficiation of flake graphite |
| CN110745820A (en) * | 2019-12-04 | 2020-02-04 | 辽宁工程技术大学 | Purification method of smokeless coal-based microcrystalline graphite for preparing lithium ion battery negative electrode material |
Also Published As
| Publication number | Publication date |
|---|---|
| FR580570A (en) | 1924-11-10 |
| US1614352A (en) | 1927-01-11 |
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