DE2512888C3 - Verfahren zum Vorbehandeln von Gemischen aus Kohle, Pyrit und/oder aschebildenden Mineralstoffen fur die magnetische Trennung - Google Patents
Verfahren zum Vorbehandeln von Gemischen aus Kohle, Pyrit und/oder aschebildenden Mineralstoffen fur die magnetische TrennungInfo
- Publication number
- DE2512888C3 DE2512888C3 DE2512888A DE2512888A DE2512888C3 DE 2512888 C3 DE2512888 C3 DE 2512888C3 DE 2512888 A DE2512888 A DE 2512888A DE 2512888 A DE2512888 A DE 2512888A DE 2512888 C3 DE2512888 C3 DE 2512888C3
- Authority
- DE
- Germany
- Prior art keywords
- pyrite
- coal
- iron
- carbonyl
- ash
- 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
- 229910052683 pyrite Inorganic materials 0.000 title claims description 55
- 239000011028 pyrite Substances 0.000 title claims description 55
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 title claims description 54
- 239000003245 coal Substances 0.000 title claims description 37
- 238000000034 method Methods 0.000 title claims description 16
- 238000007885 magnetic separation Methods 0.000 title claims description 7
- 239000000203 mixture Substances 0.000 title claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims description 4
- 239000011707 mineral Substances 0.000 title claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 22
- 230000005291 magnetic effect Effects 0.000 claims description 22
- 238000011282 treatment Methods 0.000 claims description 13
- 239000003153 chemical reaction reagent Substances 0.000 claims description 6
- 239000012159 carrier gas Substances 0.000 claims description 3
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 42
- 229940087654 iron carbonyl Drugs 0.000 description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 12
- 229910052717 sulfur Inorganic materials 0.000 description 11
- 239000011593 sulfur Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 239000002956 ash Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- NFMAZVUSKIJEIH-UHFFFAOYSA-N bis(sulfanylidene)iron Chemical compound S=[Fe]=S NFMAZVUSKIJEIH-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000002802 bituminous coal Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000006148 magnetic separator Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 241001528027 Callithauma pyrites Species 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XAQHXGSHRMHVMU-UHFFFAOYSA-N [S].[S] Chemical compound [S].[S] XAQHXGSHRMHVMU-UHFFFAOYSA-N 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 125000002228 disulfide group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910000339 iron disulfide Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052960 marcasite Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011369 optimal treatment Methods 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 238000010951 particle size reduction Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material 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
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/938—Vapor deposition or gas diffusion
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/454,253 US3938966A (en) | 1974-03-25 | 1974-03-25 | Process for improving coal |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2512888A1 DE2512888A1 (de) | 1975-10-02 |
| DE2512888B2 DE2512888B2 (de) | 1979-10-11 |
| DE2512888C3 true DE2512888C3 (de) | 1980-06-26 |
Family
ID=23803916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2512888A Expired DE2512888C3 (de) | 1974-03-25 | 1975-03-24 | Verfahren zum Vorbehandeln von Gemischen aus Kohle, Pyrit und/oder aschebildenden Mineralstoffen fur die magnetische Trennung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3938966A (enExample) |
| DE (1) | DE2512888C3 (enExample) |
| GB (1) | GB1498845A (enExample) |
| IN (1) | IN144998B (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4081251A (en) * | 1976-07-06 | 1978-03-28 | The United States Of America As Represented By The Secretary Of The Navy | Process to remove iron sulfide from coal to reduce pollution |
| US4175924A (en) * | 1977-02-10 | 1979-11-27 | Hazen Research, Inc. | Treatment of coal with metal containing compounds |
| US4119410A (en) * | 1977-01-31 | 1978-10-10 | Hazen Research, Inc. | Process for improving coal |
| US4120665A (en) * | 1977-01-21 | 1978-10-17 | Hazen Research, Inc. | Process for improving coal |
| US4098584A (en) * | 1977-02-10 | 1978-07-04 | Hazen Research, Inc. | Removal of impurities from coal |
| US4155715A (en) * | 1977-09-06 | 1979-05-22 | Occidental Petroleum Corporation | Process for reducing the organic sulfur content of char |
| US4257881A (en) * | 1978-01-10 | 1981-03-24 | Hazen Research, Inc. | Process for beneficiating oxide ores |
| US4146367A (en) * | 1978-02-16 | 1979-03-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Coal desulfurization |
| US4205979A (en) * | 1978-10-10 | 1980-06-03 | Hazen Research, Inc. | Process for beneficiating oxide ores |
| GB2039870B (en) * | 1978-07-03 | 1983-01-26 | Hazen Research | Magnetic separation process for beneficiating sulphide ores |
| US4289528A (en) * | 1978-07-03 | 1981-09-15 | Hazen Research, Inc. | Process for beneficiating sulfide ores |
| US4289529A (en) * | 1978-10-10 | 1981-09-15 | Hazen Research, Inc. | Process for beneficiating sulfide ores |
| US4276081A (en) * | 1978-10-10 | 1981-06-30 | Hazen Research, Inc. | Process for beneficiating ores |
| US4239529A (en) * | 1979-10-22 | 1980-12-16 | Hazen Research, Inc. | Process for beneficiating sulfide ores |
| US4325802A (en) * | 1980-11-17 | 1982-04-20 | Pentanyl Technologies, Inc. | Method of liquefaction of carbonaceous materials |
| US4466362A (en) * | 1982-03-03 | 1984-08-21 | Massachusetts Institute Of Technology | Method of removing sulfur and other contaminants from the coal in coal-oil slurries |
| US4661118A (en) * | 1985-04-15 | 1987-04-28 | The United States Of America, As Represented By The Secretary Of The Interior | Method for oxidation of pyrite in coal to magnetite and low field magnetic separation thereof |
| GB8513868D0 (en) * | 1985-06-01 | 1985-07-03 | British Petroleum Co Plc | Removing mineral matter from solid carbonaceous fuels |
| US4695372A (en) * | 1986-05-15 | 1987-09-22 | The United States Of America As Represented By The United States Department Of Energy | Conditioning of carbonaceous material prior to physical beneficiation |
| US4830740A (en) * | 1988-04-19 | 1989-05-16 | The Dow Chemical Company | Pyrite depressants useful in the separation of pyrite from coal |
| US4826588A (en) * | 1988-04-28 | 1989-05-02 | The Dow Chemical Company | Pyrite depressants useful in the separation of pyrite from coal |
| US5017283A (en) * | 1988-09-28 | 1991-05-21 | Exportech Company, Inc. | Method of magnetic separation and apparatus therefore |
| US5205414A (en) * | 1991-06-17 | 1993-04-27 | Edward Martinez | Process for improving the concentration of non-magnetic high specific gravity minerals |
| US20100038288A1 (en) * | 2008-08-12 | 2010-02-18 | MR&E, Ltd. | Refining coal-derived liquid from coal gasification, coking, and other coal processing operations |
| US8470134B2 (en) * | 2009-07-14 | 2013-06-25 | C2O Technologies, Llc | Process for treating coal by removing volatile components |
| US8366882B2 (en) * | 2009-07-14 | 2013-02-05 | C20 Technologies, Llc | Process for treating agglomerating coal by removing volatile components |
| CN103124782B (zh) | 2010-09-16 | 2015-08-26 | C20技术发展公司 | 借助添加的生物质和挥发物控制的煤炭加工 |
| US8968520B2 (en) | 2011-06-03 | 2015-03-03 | National Institute Of Clean And Low-Carbon Energy (Nice) | Coal processing to upgrade low rank coal having low oil content |
| US9005322B2 (en) | 2011-07-12 | 2015-04-14 | National Institute Of Clean And Low-Carbon Energy (Nice) | Upgrading coal and other carbonaceous fuels using a lean fuel gas stream from a pyrolysis step |
| US9074138B2 (en) | 2011-09-13 | 2015-07-07 | C2O Technologies, Llc | Process for treating coal using multiple dual zone steps |
| US9598646B2 (en) | 2013-01-09 | 2017-03-21 | C20 Technologies, Llc | Process for treating coal to improve recovery of condensable coal derived liquids |
| US9327320B1 (en) | 2015-01-29 | 2016-05-03 | Green Search, LLC | Apparatus and method for coal dedusting |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3348932A (en) * | 1964-08-21 | 1967-10-24 | Apollo Chem | Additive compositions to improve burning properties of liquid and solid |
| US3595965A (en) * | 1969-06-27 | 1971-07-27 | Texaco Inc | Purification of petroleum coke |
| US3736233A (en) * | 1970-07-23 | 1973-05-29 | Occidental Petroleum Corp | Process of pyrolyzing and desulfurizing sulfur bearing agglomerative bituminous coal |
-
1974
- 1974-03-25 US US05/454,253 patent/US3938966A/en not_active Expired - Lifetime
-
1975
- 1975-03-17 GB GB10953/75A patent/GB1498845A/en not_active Expired
- 1975-03-24 DE DE2512888A patent/DE2512888C3/de not_active Expired
-
1976
- 1976-03-11 IN IN439/CAL/76A patent/IN144998B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1498845A (en) | 1978-01-25 |
| US3938966A (en) | 1976-02-17 |
| IN144998B (enExample) | 1978-08-12 |
| DE2512888A1 (de) | 1975-10-02 |
| DE2512888B2 (de) | 1979-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |