SE443094B - Forfarande for selektiv flotationsanrikning av fosfat- och karbonatmineral fran finfordelade fosfat- karbonat-silikatmalmer eller koncentrat - Google Patents
Forfarande for selektiv flotationsanrikning av fosfat- och karbonatmineral fran finfordelade fosfat- karbonat-silikatmalmer eller koncentratInfo
- Publication number
- SE443094B SE443094B SE7811598A SE7811598A SE443094B SE 443094 B SE443094 B SE 443094B SE 7811598 A SE7811598 A SE 7811598A SE 7811598 A SE7811598 A SE 7811598A SE 443094 B SE443094 B SE 443094B
- Authority
- SE
- Sweden
- Prior art keywords
- concentrate
- carbonate
- phosphate
- flotation
- reagent
- Prior art date
Links
- 239000012141 concentrate Substances 0.000 title claims description 93
- 238000005188 flotation Methods 0.000 title claims description 62
- 238000000034 method Methods 0.000 title claims description 46
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims description 27
- 239000010452 phosphate Substances 0.000 title claims description 27
- NHWZQIYTQZEOSJ-UHFFFAOYSA-N carbonic acid;phosphoric acid Chemical compound OC(O)=O.OP(O)(O)=O NHWZQIYTQZEOSJ-UHFFFAOYSA-N 0.000 title claims description 16
- 229910001748 carbonate mineral Inorganic materials 0.000 title claims description 6
- 229910052585 phosphate mineral Inorganic materials 0.000 title claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 57
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 38
- 235000021317 phosphate Nutrition 0.000 claims description 38
- 229910052586 apatite Inorganic materials 0.000 claims description 37
- 229910019142 PO4 Inorganic materials 0.000 claims description 36
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims description 33
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 27
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 21
- 239000000194 fatty acid Substances 0.000 claims description 21
- 229930195729 fatty acid Natural products 0.000 claims description 21
- 150000004665 fatty acids Chemical class 0.000 claims description 21
- 239000002699 waste material Substances 0.000 claims description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 12
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 10
- 125000000129 anionic group Chemical group 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 150000004760 silicates Chemical class 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 125000002091 cationic group Chemical group 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 4
- 150000002602 lanthanoids Chemical class 0.000 claims description 4
- 230000008901 benefit Effects 0.000 claims description 3
- KENFBJLFNVWFQE-UHFFFAOYSA-N carbonic acid;phosphoric acid;silicic acid Chemical compound OC(O)=O.O[Si](O)(O)O.OP(O)(O)=O KENFBJLFNVWFQE-UHFFFAOYSA-N 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000007796 conventional method Methods 0.000 claims description 2
- 229910052590 monazite Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 108090000623 proteins and genes Proteins 0.000 claims description 2
- 239000002585 base Substances 0.000 claims 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims 1
- 239000000908 ammonium hydroxide Substances 0.000 claims 1
- 239000012876 carrier material Substances 0.000 claims 1
- 210000003298 dental enamel Anatomy 0.000 claims 1
- 238000004090 dissolution Methods 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 9
- 238000011282 treatment Methods 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910017665 NH4HF2 Inorganic materials 0.000 description 2
- 235000017343 Quebracho blanco Nutrition 0.000 description 2
- 241000065615 Schinopsis balansae Species 0.000 description 2
- -1 alum Chemical compound 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 244000188595 Brassica sinapistrum Species 0.000 description 1
- 235000004977 Brassica sinapistrum Nutrition 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 229910004052 HBPO4 Inorganic materials 0.000 description 1
- 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 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 229920000954 Polyglycolide Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 229910052626 biotite Inorganic materials 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- HFNQLYDPNAZRCH-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O.OC(O)=O HFNQLYDPNAZRCH-UHFFFAOYSA-N 0.000 description 1
- OWJMOZOJALCGKB-UHFFFAOYSA-N carbonic acid;phosphoric acid Chemical compound OC(O)=O.OC(O)=O.OP(O)(O)=O OWJMOZOJALCGKB-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
- 239000008396 flotation agent Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 239000004633 polyglycolic acid Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 239000001120 potassium sulphate Substances 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007858 starting 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/01—Organic compounds containing nitrogen
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/002—Inorganic compounds
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
- B03D2203/06—Phosphate ores
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI773533A FI60142C (fi) | 1977-11-22 | 1977-11-22 | Foerfarande foer att separera karbonat- och fosfatmineralier fraon varandra medelst flotation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7811598L SE7811598L (sv) | 1979-05-23 |
| SE443094B true SE443094B (sv) | 1986-02-17 |
Family
ID=8511249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7811598A SE443094B (sv) | 1977-11-22 | 1978-11-09 | Forfarande for selektiv flotationsanrikning av fosfat- och karbonatmineral fran finfordelade fosfat- karbonat-silikatmalmer eller koncentrat |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4317715A (es) |
| AU (1) | AU525855B2 (es) |
| ES (1) | ES475746A1 (es) |
| FI (1) | FI60142C (es) |
| FR (1) | FR2409090A1 (es) |
| IL (1) | IL55882A (es) |
| IN (2) | IN150879B (es) |
| PT (1) | PT68718A (es) |
| SE (1) | SE443094B (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2489715A1 (fr) | 1980-09-08 | 1982-03-12 | Rech Geolog Miniere | Procede de traitement de minerais de phosphates a gangue carbonatee ou silico-carbonatee |
| FR2495500B1 (fr) * | 1980-12-09 | 1986-03-14 | Gafsa Phosphates | Perfectionnements apportes aux procedes d'enrichissement, par flottation, de minerais de phosphate a gangue silicieuse et/ou carbonatee |
| US4642181A (en) * | 1982-11-10 | 1987-02-10 | J. R. Simplot Co. | Increased reduction of magnesium content by use of inorganic promoters during beneficiation of phosphate ores by flotation |
| US4486301A (en) * | 1983-08-22 | 1984-12-04 | Tennessee Valley Authority | Method of beneficiating high carbonate phosphate ore |
| US4568454A (en) * | 1984-08-20 | 1986-02-04 | International Minerals & Chemical Corp. | Beneficiation of high carbonate phosphate rock |
| US4747941A (en) * | 1985-02-28 | 1988-05-31 | J. R. Simplot Company | Increased reduction of magnesium content by use of inorganic promoters during beneficiation of phosphate ores by flotation |
| ZA862450B (en) * | 1985-10-10 | 1986-11-26 | Kemira Oy | A process for the froth-flotation of a phosphate mineral,and a reagent intended for use in the process |
| US4648966A (en) * | 1985-12-02 | 1987-03-10 | Tennessee Valley Authority | Process for beneficiation of dolomitic phosphate ores |
| US4857174A (en) * | 1986-02-26 | 1989-08-15 | University Of Florida | Method of beneficiating phosphate ores |
| US4804462A (en) * | 1988-04-18 | 1989-02-14 | Lian-Yun-Gang Chemical Mines Research And Design Institute | Beneficiating dolomitic phosphate ores with humic acid |
| US6041941A (en) * | 1997-06-26 | 2000-03-28 | Boc Gases Australia Limited | Reagent consumption in mineral separation circuits |
| CA2782436C (en) | 2009-12-04 | 2018-05-22 | Barrick Gold Corporation | Separation of copper minerals from pyrite using air-metabisulfite treatment |
| CN114682386B (zh) * | 2020-12-26 | 2024-04-23 | 中蓝连海设计研究院有限公司 | 一种处理中低品位硅钙质胶磷矿的分级分步浮选方法 |
| CN113908994B (zh) * | 2021-09-27 | 2023-11-21 | 南华大学 | 一种低品位磷矿的浮选方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2105807A (en) * | 1938-01-18 | Differential concentration of non | ||
| US1488745A (en) * | 1915-09-17 | 1924-04-01 | Ellis Flotation Company Inc | Separating process |
| US2313360A (en) * | 1940-05-24 | 1943-03-09 | Armour & Co | Process of concentrating nonmetalliferous ores |
| US3259242A (en) * | 1962-11-29 | 1966-07-05 | Int Minerals & Chem Corp | Beneficiation of apatite-calcite ores |
| US3482688A (en) * | 1966-07-08 | 1969-12-09 | Cominco Ltd | Phosphate flotation process |
| US3462017A (en) * | 1966-12-29 | 1969-08-19 | Cominco Ltd | Phosphate flotation process |
| US4059509A (en) * | 1976-01-09 | 1977-11-22 | Mobil Oil Corporation | Phosphate ore flotation |
| US4144969A (en) * | 1977-04-18 | 1979-03-20 | International Minerals & Chemical Corp. | Beneficiation of phosphate ore |
-
1977
- 1977-11-22 FI FI773533A patent/FI60142C/fi not_active IP Right Cessation
-
1978
- 1978-10-30 PT PT68718A patent/PT68718A/pt unknown
- 1978-11-06 IL IL55882A patent/IL55882A/xx unknown
- 1978-11-06 FR FR7831924A patent/FR2409090A1/fr active Granted
- 1978-11-09 SE SE7811598A patent/SE443094B/sv not_active IP Right Cessation
- 1978-11-21 AU AU41759/78A patent/AU525855B2/en not_active Expired
- 1978-11-21 ES ES475746A patent/ES475746A1/es not_active Expired
- 1978-11-22 IN IN1261/CAL/78A patent/IN150879B/en unknown
-
1980
- 1980-11-14 US US06/207,339 patent/US4317715A/en not_active Expired - Lifetime
-
1982
- 1982-07-13 IN IN805/CAL/82A patent/IN154127B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES475746A1 (es) | 1979-04-16 |
| IL55882A0 (en) | 1979-01-31 |
| IN154127B (es) | 1984-09-22 |
| PT68718A (en) | 1978-11-01 |
| IL55882A (en) | 1982-12-31 |
| IN150879B (es) | 1983-01-08 |
| FR2409090A1 (fr) | 1979-06-15 |
| FI60142B (fi) | 1981-08-31 |
| SE7811598L (sv) | 1979-05-23 |
| US4317715A (en) | 1982-03-02 |
| FR2409090B1 (es) | 1985-03-01 |
| AU525855B2 (en) | 1982-12-02 |
| FI60142C (fi) | 1981-12-10 |
| FI773533A (fi) | 1979-05-23 |
| AU4175978A (en) | 1979-05-31 |
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