CA2897663A1 - Procede de deshydratation de residus mineraux par le traitement de ces residus avec au moins un polymere anionique et au moins un polymere cationique - Google Patents

Procede de deshydratation de residus mineraux par le traitement de ces residus avec au moins un polymere anionique et au moins un polymere cationique Download PDF

Info

Publication number: CA2897663A1
Authority: CA; Canada
Prior art keywords: suspension; polymer; shearing; anionic; tailings
Prior art date: 2013-01-29
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.): Granted

Application number

CA2897663A

Other languages

English (en)

Other versions

CA2897663C (fr

Inventor

Stephen Adkins

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.)

BASF SE

Original Assignee

BASF SE

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.)

2013-01-29

Filing date

2014-01-17

Publication date

2014-08-07

2014-01-17 Application filed by BASF SE filed Critical BASF SE

2014-08-07 Publication of CA2897663A1 publication Critical patent/CA2897663A1/fr

2017-11-28 Application granted granted Critical

2017-11-28 Publication of CA2897663C publication Critical patent/CA2897663C/fr

Status Expired - Fee Related legal-status Critical Current

2034-01-17 Anticipated expiration legal-status Critical

Links

238000000034 method Methods 0.000 title claims abstract description 86
230000008569 process Effects 0.000 title claims abstract description 76
229920006318 anionic polymer Polymers 0.000 title claims abstract description 72
229920006317 cationic polymer Polymers 0.000 title claims abstract description 62
229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 48
239000011707 mineral Substances 0.000 title claims abstract description 48
238000011282 treatment Methods 0.000 title description 14
239000000725 suspension Substances 0.000 claims abstract description 173
239000007787 solid Substances 0.000 claims abstract description 82
238000010008 shearing Methods 0.000 claims abstract description 58
239000002245 particle Substances 0.000 claims abstract description 46
239000004927 clay Substances 0.000 claims abstract description 30
239000007788 liquid Substances 0.000 claims abstract description 15
229920000642 polymer Polymers 0.000 claims description 107
239000000463 material Substances 0.000 claims description 57
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
239000000203 mixture Substances 0.000 claims description 31
238000007792 addition Methods 0.000 claims description 19
125000000129 anionic group Chemical group 0.000 claims description 18
239000000178 monomer Substances 0.000 claims description 18
125000002091 cationic group Chemical group 0.000 claims description 16
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 11
230000008021 deposition Effects 0.000 claims description 10
239000012530 fluid Substances 0.000 claims description 10
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 7
230000015572 biosynthetic process Effects 0.000 claims description 7
239000002775 capsule Substances 0.000 claims description 6
238000003801 milling Methods 0.000 claims description 6
230000003068 static effect Effects 0.000 claims description 6
238000012546 transfer Methods 0.000 claims description 6
WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 5
NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 claims description 5
-1 dimethyl amino ethyl Chemical group 0.000 claims description 5
238000010998 test method Methods 0.000 claims description 5
125000002768 hydroxyalkyl group Chemical group 0.000 claims description 4
XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims description 3
PUAQLLVFLMYYJJ-UHFFFAOYSA-N 2-aminopropiophenone Chemical compound CC(N)C(=O)C1=CC=CC=C1 PUAQLLVFLMYYJJ-UHFFFAOYSA-N 0.000 claims description 2
238000004898 kneading Methods 0.000 claims description 2
UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 claims description 2
150000003839 salts Chemical class 0.000 claims description 2
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
239000002253 acid Substances 0.000 claims 1
150000007513 acids Chemical class 0.000 claims 1
235000010755 mineral Nutrition 0.000 description 43
239000000243 solution Substances 0.000 description 42
239000002699 waste material Substances 0.000 description 27
239000007864 aqueous solution Substances 0.000 description 18
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
239000007900 aqueous suspension Substances 0.000 description 12
239000004576 sand Substances 0.000 description 11
229920003169 water-soluble polymer Polymers 0.000 description 11
238000002156 mixing Methods 0.000 description 10
239000002002 slurry Substances 0.000 description 10
238000000151 deposition Methods 0.000 description 9
239000000499 gel Substances 0.000 description 9
238000005065 mining Methods 0.000 description 9
239000003027 oil sand Substances 0.000 description 9
238000012545 processing Methods 0.000 description 9
239000000126 substance Substances 0.000 description 9
229940117913 acrylamide Drugs 0.000 description 8
239000006185 dispersion Substances 0.000 description 8
229930195733 hydrocarbon Natural products 0.000 description 7
150000002430 hydrocarbons Chemical class 0.000 description 7
238000005086 pumping Methods 0.000 description 7
230000001965 increasing effect Effects 0.000 description 6
239000004215 Carbon black (E152) Substances 0.000 description 5
239000002250 absorbent Substances 0.000 description 5
230000009471 action Effects 0.000 description 5
239000010419 fine particle Substances 0.000 description 5
239000008394 flocculating agent Substances 0.000 description 5
239000003999 initiator Substances 0.000 description 5
229920000831 ionic polymer Polymers 0.000 description 5
238000004062 sedimentation Methods 0.000 description 5
239000002562 thickening agent Substances 0.000 description 5
230000002745 absorbent Effects 0.000 description 4
239000010410 layer Substances 0.000 description 4
230000009467 reduction Effects 0.000 description 4
PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 3
239000012736 aqueous medium Substances 0.000 description 3
229920006037 cross link polymer Polymers 0.000 description 3
239000002270 dispersing agent Substances 0.000 description 3
238000001035 drying Methods 0.000 description 3
239000000839 emulsion Substances 0.000 description 3
238000000605 extraction Methods 0.000 description 3
238000005189 flocculation Methods 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
239000010802 sludge Substances 0.000 description 3
229940047670 sodium acrylate Drugs 0.000 description 3
238000007711 solidification Methods 0.000 description 3
230000008023 solidification Effects 0.000 description 3
238000003756 stirring Methods 0.000 description 3
230000008719 thickening Effects 0.000 description 3
239000007762 w/o emulsion Substances 0.000 description 3
OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
239000000654 additive Substances 0.000 description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 2
229910001570 bauxite Inorganic materials 0.000 description 2
239000011324 bead Substances 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
229920001577 copolymer Polymers 0.000 description 2
239000008367 deionised water Substances 0.000 description 2
238000007865 diluting Methods 0.000 description 2
230000016615 flocculation Effects 0.000 description 2
230000001939 inductive effect Effects 0.000 description 2
229910052901 montmorillonite Inorganic materials 0.000 description 2
229920003023 plastic Polymers 0.000 description 2
239000004033 plastic Substances 0.000 description 2
239000000843 powder Substances 0.000 description 2
239000013049 sediment Substances 0.000 description 2
229910021647 smectite Inorganic materials 0.000 description 2
229910001388 sodium aluminate Inorganic materials 0.000 description 2
230000008961 swelling Effects 0.000 description 2
XUZSRCFYWXXWOQ-UHFFFAOYSA-N (2-amino-2-methylpropyl) prop-2-enoate Chemical compound CC(C)(N)COC(=O)C=C XUZSRCFYWXXWOQ-UHFFFAOYSA-N 0.000 description 1
238000004131 Bayer process Methods 0.000 description 1
239000002028 Biomass Substances 0.000 description 1
239000004908 Emulsion polymer Substances 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
150000004645 aluminates Chemical class 0.000 description 1
239000010426 asphalt Substances 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
239000006085 branching agent Substances 0.000 description 1
150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
229920003118 cationic copolymer Polymers 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
229910052729 chemical element Inorganic materials 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
229910001919 chlorite Inorganic materials 0.000 description 1
229910052619 chlorite group Inorganic materials 0.000 description 1
RALSLOFDSXVHKF-UHFFFAOYSA-N chloromethane;prop-2-enoic acid Chemical compound ClC.OC(=O)C=C RALSLOFDSXVHKF-UHFFFAOYSA-N 0.000 description 1
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
239000000701 coagulant Substances 0.000 description 1
239000011362 coarse particle Substances 0.000 description 1
239000000084 colloidal system Substances 0.000 description 1
238000005056 compaction Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000007596 consolidation process Methods 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000002939 deleterious effect Effects 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
238000007599 discharging Methods 0.000 description 1
BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000010433 feldspar Substances 0.000 description 1
238000011049 filling Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
230000003311 flocculating effect Effects 0.000 description 1
238000005243 fluidization Methods 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000000227 grinding Methods 0.000 description 1
239000008240 homogeneous mixture Substances 0.000 description 1
229920001519 homopolymer Polymers 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
229910052900 illite Inorganic materials 0.000 description 1
230000010354 integration Effects 0.000 description 1
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
229910052622 kaolinite Inorganic materials 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000005259 measurement Methods 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
229940050176 methyl chloride Drugs 0.000 description 1
229910000403 monosodium phosphate Inorganic materials 0.000 description 1
235000019799 monosodium phosphate Nutrition 0.000 description 1
229920005615 natural polymer Polymers 0.000 description 1
VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
239000012053 oil suspension Substances 0.000 description 1
NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
238000012856 packing Methods 0.000 description 1
229920002401 polyacrylamide Polymers 0.000 description 1
229920002239 polyacrylonitrile Polymers 0.000 description 1
229920001515 polyalkylene glycol Polymers 0.000 description 1
229920000136 polysorbate Polymers 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
FJWSMXKFXFFEPV-UHFFFAOYSA-N prop-2-enamide;hydrochloride Chemical compound Cl.NC(=O)C=C FJWSMXKFXFFEPV-UHFFFAOYSA-N 0.000 description 1
239000010453 quartz Substances 0.000 description 1
230000005855 radiation Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000000758 substrate Substances 0.000 description 1
BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 1
239000006228 supernatant Substances 0.000 description 1
229920001059 synthetic polymer Polymers 0.000 description 1
238000005406 washing Methods 0.000 description 1
229920003176 water-insoluble polymer Polymers 0.000 description 1
238000001238 wet grinding Methods 0.000 description 1
239000002023 wood Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/09—Viscosity
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
- C02F2209/105—Particle number, particle size or particle characterisation
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage

Landscapes

Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)

CA2897663A 2013-01-29 2014-01-17 Procede de deshydratation de residus mineraux par le traitement de ces residus avec au moins un polymere anionique et au moins un polymere cationique Expired - Fee Related CA2897663C (fr)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US201361757726P	2013-01-29	2013-01-29
EP13153009		2013-01-29
US61/757,726		2013-01-29
EP13153009.9		2013-01-29
PCT/IB2014/058353 WO2014118666A1 (fr)	2013-01-29	2014-01-17	Procédé de déshydratation de résidus minéraux par le traitement de ces résidus avec au moins un polymère anionique et au moins un polymère cationique

Publications (2)

Publication Number	Publication Date
CA2897663A1 true CA2897663A1 (fr)	2014-08-07
CA2897663C CA2897663C (fr)	2017-11-28

Family

ID=47628021

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2897663A Expired - Fee Related CA2897663C (fr)	2013-01-29	2014-01-17	Procede de deshydratation de residus mineraux par le traitement de ces residus avec au moins un polymere anionique et au moins un polymere cationique

Country Status (2)

Country	Link
CA (1)	CA2897663C (fr)
WO (1)	WO2014118666A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT521104B1 (de) *	2018-03-16	2021-07-15	Ulrich Kubinger Dr	Verfahren zur Optimierung der Entwässerung von Schlamm aus einem biologischen Reinigungsprozess

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB0310419D0 (en) *	2003-05-07	2003-06-11	Ciba Spec Chem Water Treat Ltd	Treatment of aqueous suspensions
US9909070B2 (en) *	2009-09-15	2018-03-06	Suncor Energy Inc.	Process for flocculating and dewatering oil sand mature fine tailings

2014
- 2014-01-17 WO PCT/IB2014/058353 patent/WO2014118666A1/fr not_active Ceased
- 2014-01-17 CA CA2897663A patent/CA2897663C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
WO2014118666A1 (fr)	2014-08-07
CA2897663C (fr)	2017-11-28

Legal Events

Date	Code	Title	Description
2015-07-23	EEER	Examination request	Effective date: 20150709
2022-08-30	MKLA	Lapsed	Effective date: 20210118

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CA2651440C (fr)	2014-08-19	Traitement de suspensions aqueuses
US7901583B2 (en)	2011-03-08	Treatment of aqueous suspensions
WO2018022352A1 (fr)	2018-02-01	Mélange acoustique pour l'ajout de floculant à des suspensions minérales
CA2983393A1 (fr)	2016-11-03	Separation de suspensions de matieres solides a l'aide d'un polymere hydrosoluble et d'un agent chimique
CA3012775C (fr)	2020-08-04	Methode et systeme de traitement servant a traiter des residus de mineraux ou de sables bitumineux
WO2015083069A1 (fr)	2015-06-11	Processus de déshydratation de résidus minéraux par le traitement de ces résidus avec une solution comprenant au moins un polymère et au moins un sel
CA2939321A1 (fr)	2015-11-19	Procede de deshydratation de residus mineraux par traitement de ces residus avec au mois un tensioactif et au moins un polymere
CA2897663C (fr)	2017-11-28	Procede de deshydratation de residus mineraux par le traitement de ces residus avec au moins un polymere anionique et au moins un polymere cationique
CA2939319A1 (fr)	2015-11-19	Procede de deshydratation de residus mineraux par traitement desdits residus avec au moins deux polymeres differents de viscosites intrinseques differentes
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CA2892982A1 (fr)	2014-07-24	Traitement de produits de queue fins
CA3077551A1 (fr)	2021-10-06	Deshydratation amelioree de residus miniers au moyen d`un pretraitement a l`aluminosilicate
AU2007100377B4 (en)	2007-05-31	Treatment of aqueous suspensions