DE3921073A1 - Verfahren zur elektrostatischen aufbereitung von mineralgemengen - Google Patents
Verfahren zur elektrostatischen aufbereitung von mineralgemengenInfo
- Publication number
- DE3921073A1 DE3921073A1 DE3921073A DE3921073A DE3921073A1 DE 3921073 A1 DE3921073 A1 DE 3921073A1 DE 3921073 A DE3921073 A DE 3921073A DE 3921073 A DE3921073 A DE 3921073A DE 3921073 A1 DE3921073 A1 DE 3921073A1
- Authority
- DE
- Germany
- Prior art keywords
- mineral
- fractions
- grain
- free
- grain size
- 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.)
- Granted
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 25
- 239000011707 mineral Substances 0.000 title claims abstract description 25
- 230000005686 electrostatic field Effects 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims description 17
- 230000003750 conditioning effect Effects 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 5
- -1 after grinding Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000011833 salt mixture Substances 0.000 claims description 2
- 235000010755 mineral Nutrition 0.000 abstract description 16
- 150000003839 salts Chemical class 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 3
- 230000001143 conditioned effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 229940072033 potash Drugs 0.000 abstract description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract description 2
- 235000015320 potassium carbonate Nutrition 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 description 10
- 239000003570 air Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 3
- 159000000001 potassium salts Chemical class 0.000 description 3
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- MBYLVOKEDDQJDY-UHFFFAOYSA-N tris(2-aminoethyl)amine Chemical compound NCCN(CCN)CCN MBYLVOKEDDQJDY-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/006—Charging without electricity supply, e.g. by tribo-electricity or pyroelectricity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/003—Pretreatment of the solids prior to electrostatic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/02—Separators
- B03C7/12—Separators with material falling free
Landscapes
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Combined Means For Separation Of Solids (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrostatic Separation (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3921073A DE3921073A1 (de) | 1989-06-28 | 1989-06-28 | Verfahren zur elektrostatischen aufbereitung von mineralgemengen |
| DD342167A DD300082A5 (de) | 1989-06-28 | 1990-06-27 | Verfahren zur elektrostatischen Aufbereitung von Mineralmengen |
| IT04809890A IT1247700B (it) | 1989-06-28 | 1990-06-27 | Procedimento per il trattamento elettrostatico di miscugli di minerali |
| CA002019960A CA2019960C (en) | 1989-06-28 | 1990-06-27 | Process for treating mineral mixtures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3921073A DE3921073A1 (de) | 1989-06-28 | 1989-06-28 | Verfahren zur elektrostatischen aufbereitung von mineralgemengen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3921073A1 true DE3921073A1 (de) | 1991-01-10 |
| DE3921073C2 DE3921073C2 (enrdf_load_stackoverflow) | 1991-08-08 |
Family
ID=6383707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3921073A Granted DE3921073A1 (de) | 1989-06-28 | 1989-06-28 | Verfahren zur elektrostatischen aufbereitung von mineralgemengen |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA2019960C (enrdf_load_stackoverflow) |
| DD (1) | DD300082A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3921073A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1247700B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025157838A1 (de) | 2024-01-23 | 2025-07-31 | K+S Aktiengesellschaft | Natriumsulfat und kaliumchlorid enthaltende düngemittelgranulate |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017218206A1 (de) | 2017-10-12 | 2019-04-18 | K+S Aktiengesellschaft | Verfahren zur triboelektrischen Aufladung von chemisch konditionierten Salzgemengen |
-
1989
- 1989-06-28 DE DE3921073A patent/DE3921073A1/de active Granted
-
1990
- 1990-06-27 IT IT04809890A patent/IT1247700B/it active IP Right Grant
- 1990-06-27 CA CA002019960A patent/CA2019960C/en not_active Expired - Lifetime
- 1990-06-27 DD DD342167A patent/DD300082A5/de unknown
Non-Patent Citations (1)
| Title |
|---|
| SINGEWALD, H. - FRICKE, H.: Die elektrostatische Aufbereitung von Kali-Rohsalzen, in Chem.Ing. Techn., 55, 1983, S. 39-45 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025157838A1 (de) | 2024-01-23 | 2025-07-31 | K+S Aktiengesellschaft | Natriumsulfat und kaliumchlorid enthaltende düngemittelgranulate |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3921073C2 (enrdf_load_stackoverflow) | 1991-08-08 |
| IT9048098A0 (it) | 1990-06-27 |
| IT1247700B (it) | 1994-12-30 |
| DD300082A5 (de) | 1992-05-21 |
| CA2019960C (en) | 1996-09-10 |
| CA2019960A1 (en) | 1990-12-28 |
| IT9048098A1 (it) | 1991-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: KALI UND SALZ BETEILIGUNGS AKTIENGESELLSCHAFT, 341 |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: K + S AKTIENGESELLSCHAFT, 34119 KASSEL, DE |
|
| 8339 | Ceased/non-payment of the annual fee |