CA1053876A - Methode et materiel d'extraction du gypse brut et de la magnetite - Google Patents
Methode et materiel d'extraction du gypse brut et de la magnetiteInfo
- Publication number
- CA1053876A CA1053876A CA204,364A CA204364A CA1053876A CA 1053876 A CA1053876 A CA 1053876A CA 204364 A CA204364 A CA 204364A CA 1053876 A CA1053876 A CA 1053876A
- Authority
- CA
- Canada
- Prior art keywords
- reactor
- gypsum
- coarse
- slurry
- particle size
- 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
Links
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 182
- 239000010440 gypsum Substances 0.000 title claims abstract description 182
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 108
- 239000002253 acid Substances 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 47
- 239000002699 waste material Substances 0.000 claims abstract description 42
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 31
- 239000002245 particle Substances 0.000 claims abstract description 25
- 238000010924 continuous production Methods 0.000 claims abstract description 21
- 230000014759 maintenance of location Effects 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 50
- 239000011575 calcium Substances 0.000 claims description 50
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 49
- 239000006228 supernatant Substances 0.000 claims description 40
- 239000011362 coarse particle Substances 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 22
- 239000012535 impurity Substances 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000000706 filtrate Substances 0.000 claims description 14
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 12
- 239000000920 calcium hydroxide Substances 0.000 claims description 12
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 12
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 12
- 238000007792 addition Methods 0.000 claims description 11
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 10
- 239000011790 ferrous sulphate Substances 0.000 claims description 10
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 239000012452 mother liquor Substances 0.000 claims description 4
- 235000019738 Limestone Nutrition 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 2
- MIFKMXKKIKXMTE-UHFFFAOYSA-J iron(2+) titanium(4+) disulfate Chemical compound S(=O)(=O)([O-])[O-].[Fe+2].S(=O)(=O)([O-])[O-].[Ti+4] MIFKMXKKIKXMTE-UHFFFAOYSA-J 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 235000011149 sulphuric acid Nutrition 0.000 claims 3
- 235000010216 calcium carbonate Nutrition 0.000 claims 2
- 235000012255 calcium oxide Nutrition 0.000 claims 1
- 239000002244 precipitate Substances 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000012065 filter cake Substances 0.000 description 16
- 239000007788 liquid Substances 0.000 description 8
- 229940095643 calcium hydroxide Drugs 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000049 pigment Substances 0.000 description 4
- 239000011505 plaster Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229940043430 calcium compound Drugs 0.000 description 3
- 150000001674 calcium compounds Chemical class 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 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
- 229910001448 ferrous ion Inorganic materials 0.000 description 3
- 239000011507 gypsum plaster Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 241001085205 Prenanthella exigua Species 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- -1 e.g. Substances 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000006148 magnetic separator Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- YPFNIPKMNMDDDB-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(2-hydroxyethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OCCN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O YPFNIPKMNMDDDB-UHFFFAOYSA-K 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compounds Of Iron (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42466373A | 1973-12-14 | 1973-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1053876A true CA1053876A (fr) | 1979-05-08 |
Family
ID=23683420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA204,364A Expired CA1053876A (fr) | 1973-12-14 | 1974-07-08 | Methode et materiel d'extraction du gypse brut et de la magnetite |
Country Status (9)
| Country | Link |
|---|---|
| BE (1) | BE823350A (fr) |
| CA (1) | CA1053876A (fr) |
| DE (1) | DE2456320A1 (fr) |
| FI (1) | FI345474A (fr) |
| FR (1) | FR2329592A1 (fr) |
| GB (1) | GB1471713A (fr) |
| IT (1) | IT1027637B (fr) |
| NL (1) | NL7416286A (fr) |
| NO (1) | NO137963C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5298169A (en) * | 1992-08-21 | 1994-03-29 | Kronos, Inc. | Treatment of waste sulfuric acid by gypsum precipitation in a titanium dioxide process |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1485067A (en) * | 1975-07-25 | 1977-09-08 | Tioxide Group Ltd | Effluent treatment process |
| GB1573187A (en) * | 1977-09-16 | 1980-08-20 | Tioxide Group Ltd | Purification process |
| AT369714B (de) * | 1979-01-24 | 1983-01-25 | Voest Alpine Ag | Verfahren zur aufarbeitung von eisen-iisulfatheptahydrat |
| DE19812260A1 (de) * | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Herstellung von Eisenoxid-Pigmenten aus Dünnsäure aus der TiO¶2¶-Herstellung |
| DE19812262A1 (de) | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Aufarbeitung von Dünnsäure aus der TiO2-Herstellung |
| DE19812261A1 (de) | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Aufarbeitung von Dünnsäure aus der TiO¶2¶-Herstellung |
| TWI500602B (zh) | 2008-12-12 | 2015-09-21 | Henry Co Llc | 用於製造石膏牆板之鈦和鋯混合物及乳化液 |
| FR2950619B1 (fr) * | 2009-09-25 | 2011-12-09 | Serge Ferlay | Procede de desulfatation des rejets acides de l'industrie du titane |
| WO2011129919A1 (fr) | 2010-04-15 | 2011-10-20 | Henry Company Llc | Mélanges et émulsions destinés à être utilisés pour conférer de la résistance à des compositions de gypse |
| WO2012115688A1 (fr) | 2011-02-24 | 2012-08-30 | Henry Company Llc | Émulsions aqueuses de cire ayant une teneur en solides réduite destinées à être utilisées dans des compositions de gypse et des produits de construction |
| CN102816931A (zh) * | 2012-07-27 | 2012-12-12 | 紫金矿业集团股份有限公司 | 一种从含铜酸性废水中回收铜、铁并产出石膏的方法 |
-
1974
- 1974-07-08 CA CA204,364A patent/CA1053876A/fr not_active Expired
- 1974-11-11 NO NO744042A patent/NO137963C/no unknown
- 1974-11-15 GB GB4965174A patent/GB1471713A/en not_active Expired
- 1974-11-28 DE DE19742456320 patent/DE2456320A1/de not_active Ceased
- 1974-11-28 FI FI3454/74A patent/FI345474A/fi unknown
- 1974-12-12 IT IT30491/74A patent/IT1027637B/it active
- 1974-12-12 FR FR7441016A patent/FR2329592A1/fr active Granted
- 1974-12-13 BE BE151505A patent/BE823350A/fr unknown
- 1974-12-13 NL NL7416286A patent/NL7416286A/xx not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5298169A (en) * | 1992-08-21 | 1994-03-29 | Kronos, Inc. | Treatment of waste sulfuric acid by gypsum precipitation in a titanium dioxide process |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2456320A1 (de) | 1975-06-19 |
| FR2329592B1 (fr) | 1981-01-02 |
| FI345474A (fr) | 1975-06-15 |
| BE823350A (fr) | 1975-04-01 |
| NL7416286A (nl) | 1975-06-17 |
| FR2329592A1 (fr) | 1977-05-27 |
| NO744042L (fr) | 1975-07-14 |
| IT1027637B (it) | 1978-12-20 |
| NO137963B (no) | 1978-02-20 |
| NO137963C (no) | 1978-05-31 |
| GB1471713A (en) | 1977-04-27 |
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