CA3043821C - Assainissement et stabilisation de residus d`extraction miniere thixotropes et/ou colloidales a l`aide d`anhydrite pulverisee [sulfate de calcium anhydre d`origine naturelle (caso4)] - Google Patents
Assainissement et stabilisation de residus d`extraction miniere thixotropes et/ou colloidales a l`aide d`anhydrite pulverisee [sulfate de calcium anhydre d`origine naturelle (caso4)] Download PDFInfo
- Publication number
- CA3043821C CA3043821C CA3043821A CA3043821A CA3043821C CA 3043821 C CA3043821 C CA 3043821C CA 3043821 A CA3043821 A CA 3043821A CA 3043821 A CA3043821 A CA 3043821A CA 3043821 C CA3043821 C CA 3043821C
- Authority
- CA
- Canada
- Prior art keywords
- mft
- tailings
- anhydrite
- caso4
- cao
- 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.)
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- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims abstract description 49
- 229910052925 anhydrite Inorganic materials 0.000 title claims abstract description 24
- 239000001175 calcium sulphate Substances 0.000 title claims abstract description 12
- 235000011132 calcium sulphate Nutrition 0.000 title claims abstract description 12
- 230000009974 thixotropic effect Effects 0.000 title claims description 5
- 230000006641 stabilisation Effects 0.000 title description 4
- 238000011105 stabilization Methods 0.000 title description 4
- 238000005067 remediation Methods 0.000 title description 3
- 238000005065 mining Methods 0.000 claims abstract description 5
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 78
- 239000000292 calcium oxide Substances 0.000 abstract description 41
- 235000012255 calcium oxide Nutrition 0.000 abstract description 41
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 15
- 229910052602 gypsum Inorganic materials 0.000 abstract description 15
- 239000010440 gypsum Substances 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 239000007787 solid Substances 0.000 abstract description 11
- 230000002427 irreversible effect Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 238000002441 X-ray diffraction Methods 0.000 abstract 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 239000004927 clay Substances 0.000 description 8
- 239000000084 colloidal system Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 4
- 238000012417 linear regression Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- MQWCQFCZUNBTCM-UHFFFAOYSA-N 2-tert-butyl-6-(3-tert-butyl-2-hydroxy-5-methylphenyl)sulfanyl-4-methylphenol Chemical compound CC(C)(C)C1=CC(C)=CC(SC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O MQWCQFCZUNBTCM-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 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 2
- 125000005609 naphthenate group Chemical group 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- ZRHANBBTXQZFSP-UHFFFAOYSA-M potassium;4-amino-3,5,6-trichloropyridine-2-carboxylate Chemical compound [K+].NC1=C(Cl)C(Cl)=NC(C([O-])=O)=C1Cl ZRHANBBTXQZFSP-UHFFFAOYSA-M 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 150000003871 sulfonates Chemical class 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- GVGLGOZIDCSQPN-PVHGPHFFSA-N Heroin Chemical compound O([C@H]1[C@H](C=C[C@H]23)OC(C)=O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4OC(C)=O GVGLGOZIDCSQPN-PVHGPHFFSA-N 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
- 101100310622 Mus musculus Soga1 gene Proteins 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 238000011529 RT qPCR Methods 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000001668 ameliorated effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 235000014510 cooky Nutrition 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000007935 neutral effect Effects 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
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 235000013618 yogurt Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Réhabilitation métallurgique des résidus dextraction minière de sables bitumineux. Une anhydrite naturelle (sulfate de calcium anhydré (CaSO4)) localement abondant pulvérisé rend les résidus fins mûrs colloïdaux « issus » de lextraction minière des sables bitumineux de lAlberta suffisamment solides pour porter des charges. Les réactions ont lieu au niveau dun pH légèrement alcalin de 20o C et dune pression atmosphérique de 101,3 kilopascals. Un brevet couronné de succès précédent utilisait de la chaux vive et dautres utilisaient du gypse (CaSO4/2H2O hydraté) et du gypse calciné (CaSO4.1/2H2O) en tant que floculant. Diverses concentrations de 0,5 % à 12 % danhydrite et de chaux vive (MgO) aux fins de comparaison ont été ajoutées à 50 g de résidus fins mûrs, ce qui entraîne le raidissement à une pâte ferme en lespace de quelques minutes ou jours. Tous les temps de réaction étaient considérablement plus rapides après le séchage au préalable des résidus fins mûrs pour 96 heures; les concentrations en réactif requises étaient également inférieures. La composition minéralogique des réactifs et les produits ont tous été mis à lessai avec la diffraction des rayons X. Les réactions sont irréversibles, donnant à certains un fluide libre et un substrat porteur de charges rigide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3043821A CA3043821C (fr) | 2019-05-21 | 2019-05-21 | Assainissement et stabilisation de residus d`extraction miniere thixotropes et/ou colloidales a l`aide d`anhydrite pulverisee [sulfate de calcium anhydre d`origine naturelle (caso4)] |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3043821A CA3043821C (fr) | 2019-05-21 | 2019-05-21 | Assainissement et stabilisation de residus d`extraction miniere thixotropes et/ou colloidales a l`aide d`anhydrite pulverisee [sulfate de calcium anhydre d`origine naturelle (caso4)] |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA3043821A1 CA3043821A1 (fr) | 2020-11-21 |
| CA3043821C true CA3043821C (fr) | 2021-02-02 |
Family
ID=73455433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3043821A Active CA3043821C (fr) | 2019-05-21 | 2019-05-21 | Assainissement et stabilisation de residus d`extraction miniere thixotropes et/ou colloidales a l`aide d`anhydrite pulverisee [sulfate de calcium anhydre d`origine naturelle (caso4)] |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA3043821C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021257131A1 (fr) * | 2020-06-18 | 2021-12-23 | Wp&E Technologies And Solutions, Llc | Système d'élimination de substances alkyles per- et polyfluorées provenant de courants aqueux contaminés, par filtration assistée chimiquement, et ses procédés d'utilisation |
-
2019
- 2019-05-21 CA CA3043821A patent/CA3043821C/fr active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021257131A1 (fr) * | 2020-06-18 | 2021-12-23 | Wp&E Technologies And Solutions, Llc | Système d'élimination de substances alkyles per- et polyfluorées provenant de courants aqueux contaminés, par filtration assistée chimiquement, et ses procédés d'utilisation |
| US11661360B2 (en) | 2020-06-18 | 2023-05-30 | Wp&E Technologies And Solutions, Llc | System for removing per- and polyfluorinated alkyl substances from contaminated aqueous streams, via chemical aided filtration, and methods of use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3043821A1 (fr) | 2020-11-21 |
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