GB1568453A - Coal purification - Google Patents
Coal purification Download PDFInfo
- Publication number
- GB1568453A GB1568453A GB4248/77A GB424877A GB1568453A GB 1568453 A GB1568453 A GB 1568453A GB 4248/77 A GB4248/77 A GB 4248/77A GB 424877 A GB424877 A GB 424877A GB 1568453 A GB1568453 A GB 1568453A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coal
- solution
- purified
- calcined
- range
- 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
- 239000003245 coal Substances 0.000 title claims description 92
- 238000000746 purification Methods 0.000 title description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 36
- 239000012535 impurity Substances 0.000 claims description 31
- 238000002386 leaching Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 15
- 239000007800 oxidant agent Substances 0.000 claims description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims description 11
- 239000003575 carbonaceous material Substances 0.000 claims description 10
- 239000003570 air Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000571 coke Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 238000007493 shaping process Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 28
- 239000002956 ash Substances 0.000 description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 230000001590 oxidative effect Effects 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000012264 purified product Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- -1 HNO 3 Chemical class 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000010306 acid treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000003077 lignite Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000002006 petroleum coke Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 101100018996 Caenorhabditis elegans lfe-2 gene Proteins 0.000 description 1
- 101100129500 Caenorhabditis elegans max-2 gene Proteins 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
- H05B7/08—Electrodes non-consumable
- H05B7/085—Electrodes non-consumable mainly consisting of carbon
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C1/00—Working-up tar
- C10C1/20—Refining by chemical means inorganic or organic compounds
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
- C25C3/125—Anodes based on carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/660,704 US4083940A (en) | 1976-02-23 | 1976-02-23 | Coal purification and electrode formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1568453A true GB1568453A (en) | 1980-05-29 |
Family
ID=24650631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4248/77A Expired GB1568453A (en) | 1976-02-23 | 1977-02-02 | Coal purification |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4083940A (enExample) |
| CA (1) | CA1081150A (enExample) |
| DE (1) | DE2706536C3 (enExample) |
| FR (1) | FR2343060A1 (enExample) |
| GB (1) | GB1568453A (enExample) |
| PL (1) | PL115877B1 (enExample) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169710A (en) * | 1978-03-29 | 1979-10-02 | Chevron Research Company | Process for comminuting and reducing the sulfur and ash content of coal |
| US4297108A (en) * | 1978-05-10 | 1981-10-27 | Polymer Research Corp. Of America | Desulfurization of coal |
| US4329156A (en) * | 1978-08-02 | 1982-05-11 | Othmer Donald F | Desulfurization of coal |
| US4408999A (en) * | 1981-05-11 | 1983-10-11 | Exxon Research And Engineering Co. | Coal and oil shale beneficiation process |
| US4328002A (en) * | 1981-06-15 | 1982-05-04 | Robert Bender | Methods of treating coal to remove sulfur and ash |
| DE3215981A1 (de) * | 1982-04-29 | 1983-11-03 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen hochreiner ausgangsmaterialien fuer die fertigung von silizium fuer solarzellen nach dem carbothermischen reduktionsverfahren |
| US4468231A (en) * | 1982-05-03 | 1984-08-28 | Exxon Research And Engineering Co. | Cation ion exchange of coal |
| DE3249493T1 (de) * | 1982-05-27 | 1984-09-20 | Otisca Industries Ltd., Syracuse, N.Y. | Verfahren zur Bearbeitung von Kohle |
| US4743271A (en) * | 1983-02-17 | 1988-05-10 | Williams Technologies, Inc. | Process for producing a clean hydrocarbon fuel |
| US4695290A (en) * | 1983-07-26 | 1987-09-22 | Integrated Carbons Corporation | Integrated coal cleaning process with mixed acid regeneration |
| EP0134530A3 (en) * | 1983-07-29 | 1985-09-11 | Japan Australia Process Coal Company | A process for removing mineral inpurities from coals and oil shales |
| US4618346A (en) * | 1984-09-26 | 1986-10-21 | Resource Engineering Incorporated | Deashing process for coal |
| WO1986004917A1 (en) * | 1985-02-19 | 1986-08-28 | Oabrand Pty. Limited | Method for the continuous chemical reduction and removal of mineral matter contained in carbon structures |
| US4753033A (en) * | 1985-03-24 | 1988-06-28 | Williams Technologies, Inc. | Process for producing a clean hydrocarbon fuel from high calcium coal |
| US4702749A (en) * | 1986-06-24 | 1987-10-27 | Air Products And Chemicals, Inc. | Technique for surface oxidation of activated carbon |
| US4741741A (en) * | 1986-10-17 | 1988-05-03 | The Standard Oil Company | Chemical beneficiation of coal |
| US5725613A (en) * | 1996-07-08 | 1998-03-10 | Hazen Research, Inc | Method to reduce oxidative deterioration of bulk materials |
| US5919277A (en) * | 1996-07-08 | 1999-07-06 | Hazen Research, Inc. | Method to reduce oxidative deterioration of bulk materials |
| US6231627B1 (en) | 1996-07-08 | 2001-05-15 | Hazen Research, Inc. | Method to reduce oxidative deterioration of bulk materials |
| US6422494B1 (en) | 2000-02-03 | 2002-07-23 | Hazen Research, Inc. | Methods of controlling the density and thermal properties of bulk materials |
| US6786941B2 (en) | 2000-06-30 | 2004-09-07 | Hazen Research, Inc. | Methods of controlling the density and thermal properties of bulk materials |
| US20090172998A1 (en) * | 2008-01-08 | 2009-07-09 | Carbonxt Group Limited | System and method for refining carbonaceous material |
| US8628707B2 (en) * | 2008-01-08 | 2014-01-14 | Carbonxt Group Limited | System and method for making carbon foam anodes |
| US8617492B2 (en) * | 2008-01-08 | 2013-12-31 | Carbonxt Group Limited | System and method for making low volatile carboneaceous matter with supercritical CO2 |
| US8691166B2 (en) * | 2008-01-08 | 2014-04-08 | Carbonxt Group Limited | System and method for activating carbonaceous material |
| US20090263311A1 (en) * | 2008-04-17 | 2009-10-22 | Lee Chang H | Method of removing impurities from solids |
| WO2010026600A1 (en) * | 2008-09-03 | 2010-03-11 | Tata Steel Limited | An improved beneficiation process to produce low ash clean coal from high ash coals |
| US20100287827A1 (en) * | 2009-05-13 | 2010-11-18 | Chandrashekhar Sonwane | Process for obtaining treated coal and silica from coal containing fly ash |
| US20110031174A1 (en) * | 2009-08-09 | 2011-02-10 | Kun-Yu Liang | Floor water tank filtering device for three-in-one sewers |
| US20110030270A1 (en) * | 2009-08-10 | 2011-02-10 | General Electric Company | Methods for removing impurities from coal including neutralization of a leaching solution |
| US20110030271A1 (en) * | 2009-08-10 | 2011-02-10 | General Electric Company | Method for removing impurities from coal in a reaction chamber |
| US20110030593A1 (en) * | 2009-08-10 | 2011-02-10 | General Electric Company | Method for desulfurizing a fluid and methods for operating a coal combustion system |
| US20110078948A1 (en) * | 2009-10-01 | 2011-04-07 | Chandrashekhar Ganpatrao Sonwane | Ash removal from coal: process to avoid large quantities of hydrogen fluoride on-site |
| US11335918B2 (en) | 2016-10-21 | 2022-05-17 | Form Energy, Inc. | Corrugated fuel electrode |
| WO2019133702A1 (en) | 2017-12-29 | 2019-07-04 | Staq Energy, Inc. | Long life sealed alkaline secondary batteries |
| CA3105128A1 (en) | 2018-07-27 | 2020-01-30 | Form Energy, Inc. | Negative electrodes for electrochemical cells |
| US12269744B2 (en) | 2018-12-17 | 2025-04-08 | Virginia Tech Intellectual Properties, Inc. | One-pot process for synthesis of graphene and graphene-derivatives from coal |
| US12294086B2 (en) | 2019-07-26 | 2025-05-06 | Form Energy, Inc. | Low cost metal electrodes |
| CN119095989A (zh) * | 2022-02-07 | 2024-12-06 | 福恩能源公司 | 用于纯化含铁材料的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1489830A (en) * | 1922-10-17 | 1924-04-08 | Illingworth Carbonization Co | Manufacture of electrodes |
| BE370594A (enExample) * | 1929-11-23 | |||
| US3279935A (en) * | 1963-06-11 | 1966-10-18 | Ashland Oil Refining Company | Oxidation of carbon black |
| US3393978A (en) * | 1965-04-02 | 1968-07-23 | Carbon Company | Deashing of carbonaceous material |
| US3501272A (en) * | 1966-02-28 | 1970-03-17 | Standard Oil Co | Carbon purification process |
-
1976
- 1976-02-23 US US05/660,704 patent/US4083940A/en not_active Expired - Lifetime
- 1976-11-05 CA CA265,057A patent/CA1081150A/en not_active Expired
-
1977
- 1977-02-01 FR FR7702735A patent/FR2343060A1/fr active Granted
- 1977-02-02 GB GB4248/77A patent/GB1568453A/en not_active Expired
- 1977-02-14 DE DE2706536A patent/DE2706536C3/de not_active Expired
- 1977-02-18 PL PL1977196094A patent/PL115877B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2343060A1 (fr) | 1977-09-30 |
| US4083940A (en) | 1978-04-11 |
| DE2706536C3 (de) | 1981-01-22 |
| PL115877B1 (en) | 1981-05-30 |
| FR2343060B1 (enExample) | 1980-02-01 |
| DE2706536A1 (de) | 1977-08-25 |
| DE2706536B2 (de) | 1980-05-14 |
| CA1081150A (en) | 1980-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |