CA1120162A - Procede de flottation selective par moussage de mineraux sulfures, oxydes, ou de type sel - Google Patents

Procede de flottation selective par moussage de mineraux sulfures, oxydes, ou de type sel

Info

Publication number: CA1120162A
Authority: CA; Canada
Prior art keywords: flotation; froth; minerals; collector agent; process according
Prior art date: 1978-06-22
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

CA000329975A

Other languages

English (en)

Inventor

Vaino V.H. Hintikka

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.)

Outokumpu Oyj

Original Assignee

Outokumpu Oyj

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.)

1978-06-22

Filing date

1979-06-18

Publication date

1982-03-16

1979-06-18 Application filed by Outokumpu Oyj filed Critical Outokumpu Oyj

1982-03-16 Application granted granted Critical

1982-03-16 Publication of CA1120162A publication Critical patent/CA1120162A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 39
229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 28
239000011707 mineral Substances 0.000 title claims abstract description 28
238000009291 froth flotation Methods 0.000 title claims abstract description 25
239000003795 chemical substances by application Substances 0.000 claims abstract description 39
239000000126 substance Substances 0.000 claims abstract description 38
239000002002 slurry Substances 0.000 claims abstract description 21
238000005188 flotation Methods 0.000 claims abstract description 7
238000001238 wet grinding Methods 0.000 claims abstract description 5
229920001732 Lignosulfonate Polymers 0.000 claims abstract description 4
150000004676 glycans Chemical class 0.000 claims abstract description 3
229920001282 polysaccharide Polymers 0.000 claims abstract description 3
239000005017 polysaccharide Substances 0.000 claims abstract description 3
206010053317 Hydrophobia Diseases 0.000 claims abstract 2
206010037742 Rabies Diseases 0.000 claims abstract 2
235000014113 dietary fatty acids Nutrition 0.000 claims description 16
239000000194 fatty acid Substances 0.000 claims description 16
229930195729 fatty acid Natural products 0.000 claims description 16
150000004665 fatty acids Chemical class 0.000 claims description 16
-1 alkyl phenol Chemical compound 0.000 claims description 3
229920006395 saturated elastomer Polymers 0.000 claims description 3
150000001735 carboxylic acids Chemical class 0.000 claims description 2
150000002191 fatty alcohols Chemical class 0.000 claims description 2
229910052604 silicate mineral Inorganic materials 0.000 claims description 2
150000003973 alkyl amines Chemical class 0.000 claims 1
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 4
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 31
238000002360 preparation method Methods 0.000 description 21
238000002474 experimental method Methods 0.000 description 20
235000010755 mineral Nutrition 0.000 description 16
239000002253 acid Substances 0.000 description 12
239000012141 concentrate Substances 0.000 description 12
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
239000003153 chemical reaction reagent Substances 0.000 description 8
238000000227 grinding Methods 0.000 description 8
229910052759 nickel Inorganic materials 0.000 description 8
OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 7
229960004232 linoleic acid Drugs 0.000 description 7
239000001095 magnesium carbonate Substances 0.000 description 7
ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 7
229910000021 magnesium carbonate Inorganic materials 0.000 description 7
235000014380 magnesium carbonate Nutrition 0.000 description 7
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 6
125000001183 hydrocarbyl group Chemical group 0.000 description 6
239000000463 material Substances 0.000 description 6
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 6
WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 5
LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 5
QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 5
239000005642 Oleic acid Substances 0.000 description 5
ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 5
230000000694 effects Effects 0.000 description 5
QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 5
ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 4
IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
230000002209 hydrophobic effect Effects 0.000 description 4
235000020778 linoleic acid Nutrition 0.000 description 4
OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 4
239000002245 particle Substances 0.000 description 4
239000012991 xanthate Substances 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 3
239000000203 mixture Substances 0.000 description 3
ZBJVLWIYKOAYQH-UHFFFAOYSA-N naphthalen-2-yl 2-hydroxybenzoate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=C(C=CC=C2)C2=C1 ZBJVLWIYKOAYQH-UHFFFAOYSA-N 0.000 description 3
229920000151 polyglycol Polymers 0.000 description 3
239000010695 polyglycol Substances 0.000 description 3
235000011149 sulphuric acid Nutrition 0.000 description 3
KQEIJFWAXDQUPR-UHFFFAOYSA-N 2,4-diaminophenol;hydron;dichloride Chemical compound Cl.Cl.NC1=CC=C(O)C(N)=C1 KQEIJFWAXDQUPR-UHFFFAOYSA-N 0.000 description 2
TWJNQYPJQDRXPH-UHFFFAOYSA-N 2-cyanobenzohydrazide Chemical compound NNC(=O)C1=CC=CC=C1C#N TWJNQYPJQDRXPH-UHFFFAOYSA-N 0.000 description 2
235000021360 Myristic acid Nutrition 0.000 description 2
TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 2
235000021314 Palmitic acid Nutrition 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
239000003513 alkali Substances 0.000 description 2
WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
150000004649 carbonic acid derivatives Chemical class 0.000 description 2
229910001919 chlorite Inorganic materials 0.000 description 2
229910052619 chlorite group Inorganic materials 0.000 description 2
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 2
239000010459 dolomite Substances 0.000 description 2
229910000514 dolomite Inorganic materials 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 2
WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
150000004760 silicates Chemical class 0.000 description 2
239000007787 solid Substances 0.000 description 2
229910052569 sulfide mineral Inorganic materials 0.000 description 2
239000000454 talc Substances 0.000 description 2
229910052623 talc Inorganic materials 0.000 description 2
235000012222 talc Nutrition 0.000 description 2
235000021357 Behenic acid Nutrition 0.000 description 1
DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 description 1
NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
229910021532 Calcite Inorganic materials 0.000 description 1
229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
229920001353 Dextrin Polymers 0.000 description 1
URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 description 1
241000283986 Lepus Species 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
235000021355 Stearic acid Nutrition 0.000 description 1
239000000654 additive Substances 0.000 description 1
125000002877 alkyl aryl group Chemical group 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
229910052586 apatite Inorganic materials 0.000 description 1
229940116226 behenic acid Drugs 0.000 description 1
239000001768 carboxy methyl cellulose Substances 0.000 description 1
235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
239000008112 carboxymethyl-cellulose Substances 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000000881 depressing effect Effects 0.000 description 1
FYGDTMLNYKFZSV-MRCIVHHJSA-N dextrin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)OC1O[C@@H]1[C@@H](CO)OC(O[C@@H]2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-MRCIVHHJSA-N 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
230000001804 emulsifying effect Effects 0.000 description 1
DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 description 1
229930003658 monoterpene Natural products 0.000 description 1
150000002773 monoterpene derivatives Chemical class 0.000 description 1
235000002577 monoterpenes Nutrition 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
ICHWCAYVSUPVNL-UHFFFAOYSA-N nonan-1-amine oxirane Chemical compound C1CO1.C(CCCCCCCC)N ICHWCAYVSUPVNL-UHFFFAOYSA-N 0.000 description 1
QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
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 description 1
235000019353 potassium silicate Nutrition 0.000 description 1
ZMRUPTIKESYGQW-UHFFFAOYSA-N propranolol hydrochloride Chemical compound [H+].[Cl-].C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 ZMRUPTIKESYGQW-UHFFFAOYSA-N 0.000 description 1
239000002994 raw material Substances 0.000 description 1
235000003441 saturated fatty acids Nutrition 0.000 description 1
150000004671 saturated fatty acids Chemical class 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229930004725 sesquiterpene Natural products 0.000 description 1
150000004354 sesquiterpene derivatives Chemical class 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000008117 stearic acid Substances 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
235000007586 terpenes Nutrition 0.000 description 1
RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1
235000021122 unsaturated fatty acids Nutrition 0.000 description 1
150000004670 unsaturated fatty acids Chemical class 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B03D1/016—Macromolecular 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
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
- 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
- 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

Landscapes

Manufacture And Refinement Of Metals (AREA)

CA000329975A 1978-06-22 1979-06-18 Procede de flottation selective par moussage de mineraux sulfures, oxydes, ou de type sel Expired CA1120162A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI782017A FI62006C (fi)	1978-06-22	1978-06-22	Foerfarande foer selektiv flotation av sulfidiska mineralier
FI782017		1978-06-22

Publications (1)

Publication Number	Publication Date
CA1120162A true CA1120162A (fr)	1982-03-16

Family

ID=8511829

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000329975A Expired CA1120162A (fr)	1978-06-22	1979-06-18	Procede de flottation selective par moussage de mineraux sulfures, oxydes, ou de type sel

Country Status (10)

Country	Link
AU (1)	AU517527B2 (fr)
CA (1)	CA1120162A (fr)
ES (1)	ES482223A1 (fr)
FI (1)	FI62006C (fr)
FR (1)	FR2429043A1 (fr)
IL (1)	IL57520A (fr)
IN (1)	IN151532B (fr)
MA (1)	MA18478A1 (fr)
PT (1)	PT69781A (fr)
SE (1)	SE435580B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2534492A1 (fr) *	1982-10-13	1984-04-20	Elf Aquitaine	Perfectionnement a la flottation de minerais

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2302338A (en) *	1938-05-18	1942-11-17	Moeller August	Froth flotation
US2485083A (en) *	1946-01-04	1949-10-18	American Cyanamid Co	Froth flotation of copper sulfide ores with lignin sulfonates
US2471384A (en) *	1946-05-16	1949-05-24	American Cyanamid Co	Froth flotatation of sulfide ores
DE919703C (de) *	1952-03-24	1954-11-02	Duval Sulphur & Potash Company	Verfahren zur Schaumschwimmaufbereitung von Mineralien
ZA767089B (en) *	1976-11-26	1978-05-30	Tekplex Ltd	Froth flotation process and collector composition

1978
- 1978-06-22 FI FI782017A patent/FI62006C/fi not_active IP Right Cessation
1979
- 1979-01-21 ES ES482223A patent/ES482223A1/es not_active Expired
- 1979-06-08 IL IL57520A patent/IL57520A/xx unknown
- 1979-06-12 MA MA18673A patent/MA18478A1/fr unknown
- 1979-06-16 IN IN623/CAL/79A patent/IN151532B/en unknown
- 1979-06-18 CA CA000329975A patent/CA1120162A/fr not_active Expired
- 1979-06-20 AU AU48231/79A patent/AU517527B2/en not_active Ceased
- 1979-06-20 PT PT69781A patent/PT69781A/pt unknown
- 1979-06-21 SE SE7905513A patent/SE435580B/sv not_active IP Right Cessation
- 1979-06-22 FR FR7917097A patent/FR2429043A1/fr active Granted

Also Published As

Publication number	Publication date
SE435580B (sv)	1984-10-08
PT69781A (en)	1979-07-01
FI62006B (fi)	1982-07-30
SE7905513L (sv)	1979-12-23
AU4823179A (en)	1980-01-03
ES482223A1 (es)	1980-04-01
IN151532B (fr)	1983-05-14
FI62006C (fi)	1982-11-10
IL57520A (en)	1983-06-15
MA18478A1 (fr)	1979-12-31
AU517527B2 (en)	1981-08-06
IL57520A0 (en)	1979-10-31
FI782017A7 (fi)	1979-12-23
FR2429043A1 (fr)	1980-01-18
FR2429043B1 (fr)	1983-03-18

Legal Events

Date	Code	Title	Description
1999-03-16	MKEX	Expiry

Publication	Publication Date	Title
US4853113A (en)	1989-08-01	Froth Flotation of bastnaesite
US4387034A (en)	1983-06-07	Mixed alkylthionocarbamates flotation collectors and ore dressing methods in which the collectors are employed
US4790932A (en)	1988-12-13	N-alkyl and N-alkenyl aspartic acids as co-collectors for the flotation of non-sulfidic ores
US2373688A (en)	1945-04-17	Flotation of ores
US4192737A (en)	1980-03-11	Froth flotation of insoluble slimes from sylvinite ores
US4324653A (en)	1982-04-13	Process for the treatment of phosphate ores with silico-carbonate gangue
US4904374A (en)	1990-02-27	Froth flotation
US3432030A (en)	1969-03-11	Process for treating minerals
US3710934A (en)	1973-01-16	Concentration of spodumene using flotation
GB2193660A (en)	1988-02-17	Collectors and froth flotation processes for metal sulfide ores
US2483192A (en)	1949-09-27	Froth flotation of iron impurities from feldspar
CA1120162A (fr)	1982-03-16	Procede de flottation selective par moussage de mineraux sulfures, oxydes, ou de type sel
US4968415A (en)	1990-11-06	Process for selective flotation of phosphorus minerals
EP0118546B1 (fr)	1988-07-06	Raffinage d'argiles par flottation par ecumage
US2951585A (en)	1960-09-06	Separation of pyrochlore from calcite, apatite and silica
US4330398A (en)	1982-05-18	Flotation of phosphate ores with anionic agents
US3331505A (en)	1967-07-18	Flotation process for reagent removal
US4368117A (en)	1983-01-11	Process for the selective froth-flotation of sulfidic, oxidic and salt-type minerals
US5295584A (en)	1994-03-22	Process for selective flotation of phosphorus minerals
US2126292A (en)	1938-08-09	Process of mineral concentration
US4040519A (en)	1977-08-09	Froth flotation process for recovering sheelite
US3278028A (en)	1966-10-11	Flotation of mica
US4732666A (en)	1988-03-22	Froth flotation
US2535344A (en)	1950-12-26	Flotation of minerals with hydroperoxide frothers
US3329265A (en)	1967-07-04	Flotation of mica