US3623605A - Process for the flotation of fluorite - Google Patents
Process for the flotation of fluorite Download PDFInfo
- Publication number
- US3623605A US3623605A US1851A US3623605DA US3623605A US 3623605 A US3623605 A US 3623605A US 1851 A US1851 A US 1851A US 3623605D A US3623605D A US 3623605DA US 3623605 A US3623605 A US 3623605A
- Authority
- US
- United States
- Prior art keywords
- flotation
- concentrate
- percent
- slurry
- fluorite
- 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 - Lifetime
Links
- 238000005188 flotation Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 34
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 title claims abstract description 27
- 239000010436 fluorite Substances 0.000 title claims description 22
- -1 alkyl phenol ethoxide Chemical compound 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims abstract description 30
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 16
- 239000000194 fatty acid Substances 0.000 claims abstract description 16
- 229930195729 fatty acid Natural products 0.000 claims abstract description 16
- 150000002148 esters Chemical class 0.000 claims description 14
- 150000004665 fatty acids Chemical class 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 5
- 239000003784 tall oil Substances 0.000 claims description 5
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 239000007900 aqueous suspension Substances 0.000 claims description 2
- 239000000376 reactant Substances 0.000 abstract description 23
- 230000003750 conditioning effect Effects 0.000 abstract description 10
- 239000004927 clay Substances 0.000 abstract description 7
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract description 5
- 239000012141 concentrate Substances 0.000 description 42
- 239000007787 solid Substances 0.000 description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 description 12
- 239000011707 mineral Substances 0.000 description 12
- 235000010755 mineral Nutrition 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 239000011734 sodium Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- 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 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229920001353 Dextrin Polymers 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 3
- 230000001143 conditioned effect Effects 0.000 description 3
- 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 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 2
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 2
- VJYAJQFKKLYARJ-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(OCCOCCOCCOCCOCCOCCOCCOCCOCCO)C=C1 VJYAJQFKKLYARJ-UHFFFAOYSA-N 0.000 description 1
- JACPTQMMZGZAOL-KHPPLWFESA-N 2-[methyl-[(z)-octadec-9-enyl]amino]ethanesulfonic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCN(C)CCS(O)(=O)=O JACPTQMMZGZAOL-KHPPLWFESA-N 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 235000017343 Quebracho blanco Nutrition 0.000 description 1
- 241000612118 Samolus valerandi Species 0.000 description 1
- 241000065615 Schinopsis balansae Species 0.000 description 1
- 240000006394 Sorghum bicolor Species 0.000 description 1
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 1
- HEUMNKZPHGRBKR-UHFFFAOYSA-N [Na].[Cr] Chemical compound [Na].[Cr] HEUMNKZPHGRBKR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin 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
- B03D1/02—Froth-flotation processes
-
- 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
- B03D1/016—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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/007—Modifying reagents for adjusting pH or conductivity
-
- 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
- B03D2201/06—Depressants
-
- 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
Definitions
- the present invention relates to a process for the flotation of CaF more particularly, to an improved process for separating, by flotation, the calcium fluoride from the crude ore, wherein it is in admixture with gangues and clays.
- the desliming operation involves losses in the useful component that one wishes to beneficiate. These losses increase with intensified grinding and with decreased hardness of the valuable component.
- the sludge presented a particularly difficult problem because no specific reactant was known that would neutralize the sludges without appreciably reducing the flotability of the CaF
- the fluorite is a rather soft mineral and since it is necessary to employ rather intensive grinding in order to free the granules, there occurs an accumulation of CaF in the finest fractions which are removed with the sludges.
- the losses of CaF due to the desliming sometimes amount to percent by weight of the CaF contained in the raw material.
- This invention provides means for recovering the fluorite contained in the muddy material or slime in the collection basins as well as for obtaining from such slime or from normal crude ore a CaF- product of an acid degree (that is, with a CaF titre higher than 95 percent and with a useful Cal titre higher than 91 percent; the useful CaF being defined as the total CaF less 4 times the weight percent of SiO More particularly, we have found new reactants which, used together with those previously employed for the flotation of fluorite, provide a simple and inexpensive solution to the problem.
- an ethoxylated alkyl phenol and an ethoxylated fatty acid are employed to condition the ore prior to flotation.
- the ethoxylated alkyl phenols depress the sludges without interfering with the flotability of the fluorite whereas, on the contrary, the previously known common depressors of the sludges also decrease the flotability of the fluorite.
- the ethoxylated fatty acids act as strong activators of the fluorite flotability, particularly the fine fluorite which is accompanied by very fine gangue.
- alkyl phenylpolyethylene glycols are generally obtained by reaction of an alkyl phenol with ethylene oxide. They have, as a substituent on the phenyl radical, an alkyl having from nine to l5 carbon atoms, and contain from l0 to 16 glycolic groups, CH CH O.
- Nonionic surfactants are produced industrially in great quantities and are easily found on the market.
- These commercially available products include, for instance the Tergitols of Union Carbide Corp., such as: Tergitol l2-P-9, Tergitol l2-P-l0, Tergitol l2-P-l2 dodecylphenyl-polyethylene glycol ethers); the Igepal CA and Igepal C0 of General Aniline & Film Corp; the Sapogens A of Anorgana Gendorf; the Hostapals C of Farbwerke Hoechst; the Carboxanes of Testilana Corp.; and the Tritons X of Rohm & Haas.
- the ethoxylated fatty acids also called polyoxyethylated fatty acids or, better still, polyethyleneoxy esters of the fatty acids, are obtained by reacting the fatty acid with ethylene oxide or with a polyethylene glycol.
- the polyethyleneoxy esters used in the process of the present invention are formed from a fatty acid having from 12 to 20 carbon atoms and from l0 to 20 -CH CH O(oxy ethylene) groups, They are, for instance, described in Sisley (loc. cit.) wherein they are classified in class III/B and are called polyethoxy esters of fatty acids; in Schwartz (loc. cit. on page I30); and in Mc- Cutcheons (loc. cit.).
- anionic surfactants are also produced on an industrial scale in large quantities and are easily found on the market.
- Emulphors of Sinnova Sadic Company of BASF and of General Aniline & Film Corp. (obtained from oleic acid, castor oil, talloil and ethylene oxide; the Emulsenes of Sapchim-Fournier-Cimig; the Ethofats of the Armour lndustrial Chem. Co.; and the Lipals E and S of Drew Chemical Corp.
- the preparation or conditioning of the mineral may be carried out in accordance with the present invention in the following way:
- the muddy material is pulped in water to form a slurry having a solids content of IS to 30 percent by weight.
- the slurry thus obtained is conditioned for l-l0 minutes, preferably from 2 to 4 minutes, with polyethyleneoxy alkyl phenol (I00 -200 g./t. [grams per metric ton] of dry solid) and then for an additional 1 to 10 minutes, preferably from 3 to 5 minutes, with the polyethyleneoxy ester (200-300 g./t. of dry solid).
- the slurry thus prepared is ready for being conveyed to flotation, which latter operation is carried out with the known reactants and with the usual technique.
- the following reactants are then added to the already conditioned slurry.
- An unsaturated fatty acid, such as oleic acid, as collector for the CaF (it forms a water-repellent coating on the fluorite granules); from 250 to 500 g./t, of solids are used, according to the fluorite contents of the slurry.
- a starch e.g. corn starch
- depressor of the silica in quantities offrom 500 to I500 g./t. of solids
- Sodium fluoride as activator of the fluorite in quantities of from 300 to 800 g./t. of solids (the sodium fluorite may be totally or partially replaced by the polyethyleneoxy ester).
- a tannin such as quebrache, for depressing the calcite in the successive flotation runs of the concentrate, in quantities offrom to 200 g./t. of solids.
- the reactants are added under stirring, in short time intervals from each other in accordance with common prior art flotation procedures.
- the polyethyleneoxy ester an activator for the fluorite, may be added together with the flotation reachad a mineral/water weight ratio of l:2.5.
- the consumption of reactants is expressed in grams/ton (metric) of dry solid.
- Conditioning 350 140 2,000 800 5 Conditioning 400 6 Roughing flotation... 100 10 1st re-run 28 170 7 28 200 170 5 28 200 170 100 5 28 200 170 5 No'rE,-The Aclntoi FAl of Arizona Chemical Co, is an emulsified mixture of unsaturated fatty acids obtained from talloil,
- N ore-M003 denotes carbonates and hydroxides
- the surfactant Aionico D, 560 is a Montecatini Edison S.p.A. product; it is a dodecylphenol having 12 groups of ethylene oxide.
- the surfactant Aionico T. 510 is a Montecatini Edison S.p.A. product; it is a condensation product of Tall oil with 17 molecules of ethylene oxide.
- Diapon T is produced by Montecatini Edison S.p.A.; it is the sodium salt of N- methyl-N-oleyl-taurine.
- a flotation process for the recovery of fluorite from clay-containing ores.
- the improvement which comprises, prior to carrying out conventional flotation. conditioning a flotation slurry by treating said slurry for a period of from about i to 10 minutes with from about 100 to 200 grams per metric ton of slurry solids of a polyethyleneoxy alkylphenol, and thereafter treating said slurry for a period of from about 1 to 10 minutes with from about 200 to 300 grams per metric ton of slurry solids of a polyethyleneoxy ester of a fatty acid.
- said polyethyleneoxy alkylphenol being made up of (I) an a] kylphenol radical in which the alkyl has from about 9 to [5 carbon atoms and (2) from about 10 to 16 ethyleneoxy units, and said polyethyieneoxy ester being made up of l) a fatty acid having from about 12 to 20 carbon atoms. and (21 from about 10 to 20 ethyleneoxy units and floating a fluorite 2.
- said treatment with said polyethyleneoxy alkylphenol is carried out for from about 2 to 4 minutes.
- polyethyleneoxy alkylphenol is made up of a dodecylphenol and 12 ethyleneoxy units.
- said flotation slurry comprises an aqueous suspension of a raw material ore.
Landscapes
- Paper (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Detergent Compositions (AREA)
- Disintegrating Or Milling (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1131069 | 1969-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3623605A true US3623605A (en) | 1971-11-30 |
Family
ID=11134974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US1851A Expired - Lifetime US3623605A (en) | 1969-01-09 | 1970-01-09 | Process for the flotation of fluorite |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3623605A (enrdf_load_stackoverflow) |
| JP (1) | JPS4910882B1 (enrdf_load_stackoverflow) |
| DE (1) | DE2000600A1 (enrdf_load_stackoverflow) |
| ES (1) | ES375251A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2027979A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1220556A (enrdf_load_stackoverflow) |
| SU (1) | SU464090A3 (enrdf_load_stackoverflow) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923705A (enrdf_load_stackoverflow) * | 1972-06-29 | 1974-03-02 | ||
| JPS4923703A (enrdf_load_stackoverflow) * | 1972-06-29 | 1974-03-02 | ||
| JPS4923704A (enrdf_load_stackoverflow) * | 1972-06-29 | 1974-03-02 | ||
| US4211644A (en) * | 1976-11-26 | 1980-07-08 | Pennwalt Corporation | Froth flotation process and collector composition |
| US20200222914A1 (en) * | 2016-12-23 | 2020-07-16 | Akzo Nobel Chemicals International B.V. | Process to treat phosphate ores |
| CN112246444A (zh) * | 2020-11-12 | 2021-01-22 | 任万钧 | 二氧化硅抑制剂、制备方法及萤石矿浮选方法 |
| CN113245064A (zh) * | 2021-04-30 | 2021-08-13 | 瓮福（集团）有限责任公司 | 一种复杂难选胶磷矿中倍半氧化物的脱除方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2184036A (en) * | 1985-11-15 | 1987-06-17 | Magyar Szenhidrogenipari | Separation |
| EP2836233A1 (en) | 2012-04-13 | 2015-02-18 | Nanoscape AG | Sustained-release formulation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2300827A (en) * | 1940-07-23 | 1942-11-03 | American Cyanamid Co | Flotation of nonmetallic minerals |
| US2757797A (en) * | 1953-03-27 | 1956-08-07 | Monsanto Chemicals | Water treatment |
| US2803345A (en) * | 1952-09-24 | 1957-08-20 | Distillers Co Yeast Ltd | Froth flotation process |
| GB782107A (en) * | 1953-10-14 | 1957-09-04 | Anzin Ltd | Improvements in or relating to froth flotation |
| SU142232A1 (ru) * | 1961-03-31 | 1961-11-30 | Н.А. Алейников | Способ флотации несульфидных руд |
| US3179250A (en) * | 1961-07-31 | 1965-04-20 | Armour & Co | Separating finely-divided minerals |
| US3430765A (en) * | 1965-08-11 | 1969-03-04 | Allied Chem | Beneficiation of fluorspar ores |
-
1969
- 1969-12-31 FR FR6945613A patent/FR2027979A1/fr not_active Withdrawn
-
1970
- 1970-01-08 DE DE19702000600 patent/DE2000600A1/de active Pending
- 1970-01-08 ES ES375251A patent/ES375251A1/es not_active Expired
- 1970-01-08 SU SU1392721A patent/SU464090A3/ru active
- 1970-01-08 GB GB917/70A patent/GB1220556A/en not_active Expired
- 1970-01-09 US US1851A patent/US3623605A/en not_active Expired - Lifetime
- 1970-01-09 JP JP45002847A patent/JPS4910882B1/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2300827A (en) * | 1940-07-23 | 1942-11-03 | American Cyanamid Co | Flotation of nonmetallic minerals |
| US2803345A (en) * | 1952-09-24 | 1957-08-20 | Distillers Co Yeast Ltd | Froth flotation process |
| US2757797A (en) * | 1953-03-27 | 1956-08-07 | Monsanto Chemicals | Water treatment |
| GB782107A (en) * | 1953-10-14 | 1957-09-04 | Anzin Ltd | Improvements in or relating to froth flotation |
| SU142232A1 (ru) * | 1961-03-31 | 1961-11-30 | Н.А. Алейников | Способ флотации несульфидных руд |
| US3179250A (en) * | 1961-07-31 | 1965-04-20 | Armour & Co | Separating finely-divided minerals |
| US3430765A (en) * | 1965-08-11 | 1969-03-04 | Allied Chem | Beneficiation of fluorspar ores |
Non-Patent Citations (1)
| Title |
|---|
| A P C Application of Goette Ser. No. 274,858, Published July 13, 1943. * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923705A (enrdf_load_stackoverflow) * | 1972-06-29 | 1974-03-02 | ||
| JPS4923703A (enrdf_load_stackoverflow) * | 1972-06-29 | 1974-03-02 | ||
| JPS4923704A (enrdf_load_stackoverflow) * | 1972-06-29 | 1974-03-02 | ||
| US4211644A (en) * | 1976-11-26 | 1980-07-08 | Pennwalt Corporation | Froth flotation process and collector composition |
| US20200222914A1 (en) * | 2016-12-23 | 2020-07-16 | Akzo Nobel Chemicals International B.V. | Process to treat phosphate ores |
| US11607696B2 (en) * | 2016-12-23 | 2023-03-21 | Nouryon Chemicals International B.V. | Process to treat phosphate ores |
| CN112246444A (zh) * | 2020-11-12 | 2021-01-22 | 任万钧 | 二氧化硅抑制剂、制备方法及萤石矿浮选方法 |
| CN112246444B (zh) * | 2020-11-12 | 2022-10-18 | 任万钧 | 二氧化硅抑制剂、制备方法及萤石矿浮选方法 |
| CN113245064A (zh) * | 2021-04-30 | 2021-08-13 | 瓮福（集团）有限责任公司 | 一种复杂难选胶磷矿中倍半氧化物的脱除方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2027979A1 (enrdf_load_stackoverflow) | 1970-10-02 |
| ES375251A1 (es) | 1972-04-16 |
| JPS4910882B1 (enrdf_load_stackoverflow) | 1974-03-13 |
| DE2000600A1 (de) | 1970-07-23 |
| GB1220556A (en) | 1971-01-27 |
| SU464090A3 (ru) | 1975-03-15 |
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