CA1260420A - Methode pour debarrasser la houille du soufre pirytique, organique et elementaire - Google Patents

Methode pour debarrasser la houille du soufre pirytique, organique et elementaire

Info

Publication number: CA1260420A
Authority: CA; Canada
Prior art keywords: coal; sulfur; chloride; carbonaceous materials; acid
Prior art date: 1986-01-30
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

Application number

CA000500706A

Other languages

English (en)

Inventor

Charles H. Simpson

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date 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 date listed.)

1986-01-30

Filing date

1986-01-30

Publication date

1989-09-26

1986-01-30 Application filed by Individual filed Critical Individual

1986-01-30 Priority to CA000500706A priority Critical patent/CA1260420A/fr

1989-09-26 Application granted granted Critical

1989-09-26 Publication of CA1260420A publication Critical patent/CA1260420A/fr

Status Expired legal-status Critical Current

Links

239000003245 coal Substances 0.000 title claims abstract description 207
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 133
238000000034 method Methods 0.000 title claims abstract description 87
239000000203 mixture Substances 0.000 claims abstract description 163
235000001508 sulfur Nutrition 0.000 claims abstract description 108
239000011593 sulfur Substances 0.000 claims abstract description 101
229910052717 sulfur Inorganic materials 0.000 claims abstract description 101
239000003575 carbonaceous material Substances 0.000 claims abstract description 97
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 75
230000008569 process Effects 0.000 claims abstract description 74
239000003054 catalyst Substances 0.000 claims abstract description 66
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 60
229910017604 nitric acid Inorganic materials 0.000 claims abstract description 60
239000002253 acid Substances 0.000 claims abstract description 54
239000002002 slurry Substances 0.000 claims abstract description 41
238000009472 formulation Methods 0.000 claims abstract description 38
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims abstract description 38
239000001103 potassium chloride Substances 0.000 claims abstract description 37
235000011164 potassium chloride Nutrition 0.000 claims abstract description 37
229910001514 alkali metal chloride Inorganic materials 0.000 claims abstract description 34
229910001617 alkaline earth metal chloride Inorganic materials 0.000 claims abstract description 30
150000007522 mineralic acids Chemical class 0.000 claims abstract description 20
230000003647 oxidation Effects 0.000 claims abstract description 18
238000007254 oxidation reaction Methods 0.000 claims abstract description 18
239000007800 oxidant agent Substances 0.000 claims abstract description 17
ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 16
150000003568 thioethers Chemical class 0.000 claims abstract description 16
WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims abstract description 13
229910001626 barium chloride Inorganic materials 0.000 claims abstract description 13
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 77
239000000243 solution Substances 0.000 claims description 53
229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 48
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 48
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 40
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 36
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 34
229910052742 iron Inorganic materials 0.000 claims description 20
-1 halogen salts Chemical class 0.000 claims description 19
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 18
239000011780 sodium chloride Substances 0.000 claims description 18
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
239000001301 oxygen Substances 0.000 claims description 17
229910052760 oxygen Inorganic materials 0.000 claims description 17
239000011698 potassium fluoride Substances 0.000 claims description 17
235000003270 potassium fluoride Nutrition 0.000 claims description 17
125000001741 organic sulfur group Chemical group 0.000 claims description 16
239000003795 chemical substances by application Substances 0.000 claims description 14
229910052736 halogen Inorganic materials 0.000 claims description 14
YALHCTUQSQRCSX-UHFFFAOYSA-N sulfane sulfuric acid Chemical compound S.OS(O)(=O)=O YALHCTUQSQRCSX-UHFFFAOYSA-N 0.000 claims description 14
TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 claims description 12
239000001263 FEMA 3042 Substances 0.000 claims description 12
LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 claims description 12
LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 claims description 12
235000015523 tannic acid Nutrition 0.000 claims description 12
229940033123 tannic acid Drugs 0.000 claims description 12
229920002258 tannic acid Polymers 0.000 claims description 12
238000005406 washing Methods 0.000 claims description 11
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 10
239000012670 alkaline solution Substances 0.000 claims description 10
NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 10
238000001238 wet grinding Methods 0.000 claims description 10
WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 9
150000001805 chlorine compounds Chemical class 0.000 claims description 9
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 8
239000001110 calcium chloride Substances 0.000 claims description 8
229910001628 calcium chloride Inorganic materials 0.000 claims description 8
239000000463 material Substances 0.000 claims description 8
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
229910001882 dioxygen Inorganic materials 0.000 claims description 7
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
239000000908 ammonium hydroxide Substances 0.000 claims description 5
229910001629 magnesium chloride Inorganic materials 0.000 claims description 5
239000007789 gas Substances 0.000 claims description 4
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 claims description 2
LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 2
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
ABXXWVKOBZHNNF-UHFFFAOYSA-N chromium(3+);dioxido(dioxo)chromium Chemical class [Cr+3].[Cr+3].[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O ABXXWVKOBZHNNF-UHFFFAOYSA-N 0.000 claims 1
239000007787 solid Substances 0.000 abstract description 44
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract description 17
150000001342 alkaline earth metals Chemical class 0.000 abstract description 13
150000002366 halogen compounds Chemical class 0.000 abstract 1
238000000605 extraction Methods 0.000 description 50
229960000443 hydrochloric acid Drugs 0.000 description 25
235000011167 hydrochloric acid Nutrition 0.000 description 25
239000000306 component Substances 0.000 description 21
229960002816 potassium chloride Drugs 0.000 description 18
238000006243 chemical reaction Methods 0.000 description 17
239000007788 liquid Substances 0.000 description 12
239000000126 substance Substances 0.000 description 11
238000013019 agitation Methods 0.000 description 10
229940065278 sulfur compound Drugs 0.000 description 9
150000003464 sulfur compounds Chemical class 0.000 description 9
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
239000007864 aqueous solution Substances 0.000 description 8
229940045511 barium chloride Drugs 0.000 description 7
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
229960002713 calcium chloride Drugs 0.000 description 6
235000011148 calcium chloride Nutrition 0.000 description 6
239000003250 coal slurry Substances 0.000 description 6
239000002904 solvent Substances 0.000 description 6
238000011282 treatment Methods 0.000 description 6
238000006477 desulfuration reaction Methods 0.000 description 5
230000023556 desulfurization Effects 0.000 description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
241000196324 Embryophyta Species 0.000 description 4
GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
150000007513 acids Chemical class 0.000 description 4
229910052799 carbon Inorganic materials 0.000 description 4
239000003995 emulsifying agent Substances 0.000 description 4
238000000227 grinding Methods 0.000 description 4
XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 4
239000002245 particle Substances 0.000 description 4
150000003467 sulfuric acid derivatives Chemical class 0.000 description 4
239000003039 volatile agent Substances 0.000 description 4
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
229910052783 alkali metal Inorganic materials 0.000 description 3
229910052784 alkaline earth metal Inorganic materials 0.000 description 3
239000012267 brine Substances 0.000 description 3
239000003153 chemical reaction reagent Substances 0.000 description 3
150000003841 chloride salts Chemical class 0.000 description 3
230000007423 decrease Effects 0.000 description 3
230000003009 desulfurizing effect Effects 0.000 description 3
235000011147 magnesium chloride Nutrition 0.000 description 3
238000012545 processing Methods 0.000 description 3
230000009467 reduction Effects 0.000 description 3
239000013535 sea water Substances 0.000 description 3
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
239000005708 Sodium hypochlorite Substances 0.000 description 2
230000015556 catabolic process Effects 0.000 description 2
239000000460 chlorine Substances 0.000 description 2
229910052801 chlorine Inorganic materials 0.000 description 2
239000012141 concentrate Substances 0.000 description 2
238000001816 cooling Methods 0.000 description 2
239000000498 cooling water Substances 0.000 description 2
238000006731 degradation reaction Methods 0.000 description 2
238000004090 dissolution Methods 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
229910000043 hydrogen iodide Inorganic materials 0.000 description 2
230000006872 improvement Effects 0.000 description 2
239000012535 impurity Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
229910001510 metal chloride Inorganic materials 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000001272 nitrous oxide Substances 0.000 description 2
150000007524 organic acids Chemical class 0.000 description 2
150000002898 organic sulfur compounds Chemical class 0.000 description 2
235000021110 pickles Nutrition 0.000 description 2
KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
238000000926 separation method Methods 0.000 description 2
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical class CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
235000015076 Shorea robusta Nutrition 0.000 description 1
244000166071 Shorea robusta Species 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
JIAARYAFYJHUJI-UHFFFAOYSA-L Zinc chloride Inorganic materials [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
239000003929 acidic solution Substances 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
238000013459 approach Methods 0.000 description 1
238000010923 batch production Methods 0.000 description 1
230000008901 benefit Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
159000000007 calcium salts Chemical class 0.000 description 1
150000001722 carbon compounds Chemical class 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
238000002485 combustion reaction Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000029087 digestion Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000007667 floating Methods 0.000 description 1
238000005187 foaming Methods 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
230000003993 interaction Effects 0.000 description 1
238000011835 investigation Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000003350 kerosene Substances 0.000 description 1
229960002337 magnesium chloride Drugs 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000005065 mining Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
APVPOHHVBBYQAV-UHFFFAOYSA-N n-(4-aminophenyl)sulfonyloctadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 APVPOHHVBBYQAV-UHFFFAOYSA-N 0.000 description 1
239000012875 nonionic emulsifier Substances 0.000 description 1
230000001473 noxious effect Effects 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical group CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 1
XMXNVYPJWBTAHN-UHFFFAOYSA-N potassium chromate Chemical class [K+].[K+].[O-][Cr]([O-])(=O)=O XMXNVYPJWBTAHN-UHFFFAOYSA-N 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
229910052683 pyrite Inorganic materials 0.000 description 1
239000011028 pyrite Substances 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
239000011435 rock Substances 0.000 description 1
239000011833 salt mixture Substances 0.000 description 1
239000004576 sand Substances 0.000 description 1
PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 1
239000001509 sodium citrate Substances 0.000 description 1
NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
238000000638 solvent extraction Methods 0.000 description 1
238000005507 spraying Methods 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
239000003643 water by type Substances 0.000 description 1
239000011701 zinc Substances 0.000 description 1

Landscapes

Solid Fuels And Fuel-Associated Substances (AREA)

CA000500706A 1986-01-30 1986-01-30 Methode pour debarrasser la houille du soufre pirytique, organique et elementaire Expired CA1260420A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000500706A CA1260420A (fr)	1986-01-30	1986-01-30	Methode pour debarrasser la houille du soufre pirytique, organique et elementaire

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000500706A CA1260420A (fr)	1986-01-30	1986-01-30	Methode pour debarrasser la houille du soufre pirytique, organique et elementaire

Publications (1)

Publication Number	Publication Date
CA1260420A true CA1260420A (fr)	1989-09-26

Family

ID=4132373

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000500706A Expired CA1260420A (fr)	1986-01-30	1986-01-30	Methode pour debarrasser la houille du soufre pirytique, organique et elementaire

Country Status (1)

Country	Link
CA (1)	CA1260420A (fr)

1986
- 1986-01-30 CA CA000500706A patent/CA1260420A/fr not_active Expired

Legal Events

Date	Code	Title	Description
2006-09-26	MKEX	Expiry

Publication	Publication Date	Title
US5087350A (en)	1992-02-11	Process for recovering metals and for removing sulfur from materials containing them by means of an oxidative extraction
US4695290A (en)	1987-09-22	Integrated coal cleaning process with mixed acid regeneration
US3960513A (en)	1976-06-01	Method for removal of sulfur from coal
EP0686206A1 (fr)	1995-12-13	Recuperation de metaux precieux a partir de minerais refractaires
US4539186A (en)	1985-09-03	Method for leaching and recovering vanadium from vanadium bearing by-product materials
EP0266528B1 (fr)	1989-12-27	Procédé pour la modification de charbon
MXPA97002948A (en)	1998-02-01	Recovery of zinc from sulfide concentrates
US4451439A (en)	1984-05-29	Process for the purification of solutions containing a sodium or potassium carbonate, sulphate, and possibly hydroxide, and at least one of the metals vanadium, uranium and molybdenum
GB1564765A (en)	1980-04-16	Process for removing sulphur from coal
US4569678A (en)	1986-02-11	Method for removing pyritic, organic and elemental sulfur from coal
US4439235A (en)	1984-03-27	Chlorination process for removing precious metals from ore
US4118200A (en)	1978-10-03	Process for desulfurizing coal
US4941917A (en)	1990-07-17	Process for recovery of precious metals from carbonaceous ores using chlorine dioxide
JPS5825399B2 (ja)	1983-05-27	石炭の脱硫方法
US5814292A (en)	1998-09-29	Comprehensive energy producing methods for aqueous phase oxidation
JPS6141726A (ja)	1986-02-28	不溶性金属酸化物から有用金属の水溶液を得る方法
US4127390A (en)	1978-11-28	Hydrodesulfurization of coal and the like
US4155716A (en)	1979-05-22	Process for removing sulfur from coal
US4174953A (en)	1979-11-20	Process for removing sulfur from coal
EP0230500B1 (fr)	1990-06-27	Procédé pour éliminer le soufre pyriteux, organique et élémentaire du charbon
US5017280A (en)	1991-05-21	Process for recovering metals and for removing sulfur from materials containing them by means of an oxidative extraction
US4183730A (en)	1980-01-15	Hydrodesulfurization of coal with hydrogen peroxide in brine solution
JPH06917B2 (ja)	1994-01-05	石炭または他の炭素質物質から硫黄および灰分を除去する方法
CA1152754A (fr)	1983-08-30	Separation de l'or des minerais charbonneux
US4562049A (en)	1985-12-31	Recovery of titanium from perovskite by acid sulfation