NO323628B1 - Fremgangsmate for fremstilling av gips sa vel som et jernoksidpigment fra den ved fremstillingen av TiO2 dannede tynnsyre - Google Patents
Fremgangsmate for fremstilling av gips sa vel som et jernoksidpigment fra den ved fremstillingen av TiO2 dannede tynnsyre Download PDFInfo
- Publication number
- NO323628B1 NO323628B1 NO20004682A NO20004682A NO323628B1 NO 323628 B1 NO323628 B1 NO 323628B1 NO 20004682 A NO20004682 A NO 20004682A NO 20004682 A NO20004682 A NO 20004682A NO 323628 B1 NO323628 B1 NO 323628B1
- Authority
- NO
- Norway
- Prior art keywords
- gypsum
- calcium
- compounds
- iron
- pigment
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 46
- 229910052602 gypsum Inorganic materials 0.000 title claims description 40
- 239000010440 gypsum Substances 0.000 title claims description 40
- 239000002253 acid Substances 0.000 title claims description 32
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims description 20
- 239000001034 iron oxide pigment Substances 0.000 title claims description 11
- 238000002360 preparation method Methods 0.000 title description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title 1
- 239000000049 pigment Substances 0.000 claims description 34
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 28
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 23
- 238000001556 precipitation Methods 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 238000006386 neutralization reaction Methods 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 17
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 16
- 235000010216 calcium carbonate Nutrition 0.000 claims description 14
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 14
- 230000003472 neutralizing effect Effects 0.000 claims description 14
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
- 239000002244 precipitate Substances 0.000 claims description 11
- 239000000292 calcium oxide Substances 0.000 claims description 10
- 235000012255 calcium oxide Nutrition 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 10
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 9
- 229940043430 calcium compound Drugs 0.000 claims description 9
- 150000001674 calcium compounds Chemical class 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 8
- 229910000358 iron sulfate Inorganic materials 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 239000001058 brown pigment Substances 0.000 claims description 5
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 4
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims description 3
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims description 2
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 235000012254 magnesium hydroxide Nutrition 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- 235000012245 magnesium oxide Nutrition 0.000 claims description 2
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 2
- 238000004056 waste incineration Methods 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 32
- 239000000243 solution Substances 0.000 description 31
- 239000000706 filtrate Substances 0.000 description 24
- 239000012065 filter cake Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000002966 varnish Substances 0.000 description 14
- 239000011505 plaster Substances 0.000 description 12
- 238000005406 washing Methods 0.000 description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 238000007605 air drying Methods 0.000 description 10
- 238000001035 drying Methods 0.000 description 10
- 239000011541 reaction mixture Substances 0.000 description 10
- 239000000725 suspension Substances 0.000 description 9
- 239000010936 titanium Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 229910052720 vanadium Inorganic materials 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 235000011130 ammonium sulphate Nutrition 0.000 description 5
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 5
- 239000004922 lacquer Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000004040 coloring Methods 0.000 description 4
- 229910000000 metal hydroxide Inorganic materials 0.000 description 4
- 150000004692 metal hydroxides Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000001166 ammonium sulphate Substances 0.000 description 3
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012432 intermediate storage Methods 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 239000002478 γ-tocopherol Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 239000005569 Iron sulphate Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal salts Chemical class 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 229910000357 manganese(II) sulfate Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- IYVLHQRADFNKAU-UHFFFAOYSA-N oxygen(2-);titanium(4+);hydrate Chemical compound O.[O-2].[O-2].[Ti+4] IYVLHQRADFNKAU-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000985 reflectance spectrum Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
Classifications
-
- 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
- C01G49/06—Ferric oxide [Fe2O3]
-
- 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
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- 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
- C01P2006/42—Magnetic properties
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/62—L* (lightness axis)
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/63—Optical properties, e.g. expressed in CIELAB-values a* (red-green axis)
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/64—Optical properties, e.g. expressed in CIELAB-values b* (yellow-blue axis)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Iron (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19812261A DE19812261A1 (de) | 1998-03-20 | 1998-03-20 | Verfahren zur Aufarbeitung von Dünnsäure aus der TiO¶2¶-Herstellung |
| PCT/EP1999/001735 WO1999048808A1 (de) | 1998-03-20 | 1999-03-17 | VERFAHREN ZUR AUFARBEITUNG VON DÜNNSÄURE AUS DER TiO2-HERSTELLUNG |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20004682D0 NO20004682D0 (no) | 2000-09-19 |
| NO20004682L NO20004682L (no) | 2000-10-04 |
| NO323628B1 true NO323628B1 (no) | 2007-06-18 |
Family
ID=7861668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20004682A NO323628B1 (no) | 1998-03-20 | 2000-09-19 | Fremgangsmate for fremstilling av gips sa vel som et jernoksidpigment fra den ved fremstillingen av TiO2 dannede tynnsyre |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6440377B1 (xx) |
| EP (1) | EP1064223B1 (xx) |
| JP (1) | JP2002507632A (xx) |
| AU (1) | AU2933599A (xx) |
| BR (1) | BR9908920A (xx) |
| CA (1) | CA2324308A1 (xx) |
| DE (2) | DE19812261A1 (xx) |
| ES (1) | ES2179627T3 (xx) |
| NO (1) | NO323628B1 (xx) |
| WO (1) | WO1999048808A1 (xx) |
| ZA (1) | ZA200004672B (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014084129A1 (ja) * | 2012-11-28 | 2014-06-05 | 住友金属鉱山株式会社 | 中和処理方法及び中和剤 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10232069A1 (de) * | 2002-07-16 | 2004-02-05 | Sachtleben Chemie Gmbh | Verfahren zur Herstellung von Eisenhydroxid, Eisenoxidhydrat oder Eisenoxid aus Filtersalzen der Dünnsäurerückgewinnung |
| DE10332530A1 (de) † | 2003-07-17 | 2005-02-10 | Kerr-Mcgee Pigments Gmbh | Verfahren zur Reduktion des löslichen Chromatgehaltes in Zement sowie eine Zubereitung aus Zement und wasserlöslichen Metallsulfaten |
| WO2005068358A1 (en) * | 2003-12-18 | 2005-07-28 | Millennium Chemicals | Production of 'useful material(s)' from waste acid issued from the production of titanium dioxyde |
| US7704470B2 (en) * | 2007-04-24 | 2010-04-27 | Haydock Consulting Services, Lc | Removal of contaminants from by-product acids |
| CN102115210B (zh) * | 2010-12-31 | 2012-10-17 | 谢善情 | 用硫酸法生产钛白粉所得废酸生产硝酸亚铁和硫酸钙的方法 |
| CN103572058B (zh) * | 2012-07-31 | 2016-01-20 | 有研稀土新材料股份有限公司 | 一种从硫酸法钛白废液中富集稀土稀有元素和制备白石膏的方法 |
| US9840896B2 (en) | 2012-09-21 | 2017-12-12 | Thru Tubing Solutions, Inc. | Acid soluble abrasive material and method of use |
| CN104086027B (zh) * | 2014-07-15 | 2015-06-10 | 铜陵化学工业集团有限公司 | 一种硫酸法钛白废水处理方法 |
| JP5704280B2 (ja) * | 2014-11-17 | 2015-04-22 | 住友金属鉱山株式会社 | 中和処理方法及び中和剤 |
| JP6638345B2 (ja) * | 2015-03-17 | 2020-01-29 | 住友大阪セメント株式会社 | 石膏の製造方法およびセメント組成物の製造方法 |
| CN111485102A (zh) * | 2020-04-26 | 2020-08-04 | 张响 | 一种全资源化利用钛白废酸的工艺 |
| CN113493215B (zh) * | 2021-07-21 | 2022-11-15 | 吉林大学 | 一种活性氢氧化镁的制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3375066A (en) * | 1963-08-24 | 1968-03-26 | Yawata Chem Ind Co Ltd | Process for the continuous production of gypsum and iron oxide from waste sulfuric acid pickle liquor and a calcium compound |
| GB1421773A (en) | 1972-10-20 | 1976-01-21 | Laporte Industries Ltd | Production of iron oxide |
| CA1053876A (en) | 1973-12-14 | 1979-05-08 | Arthur A. Bellinger | Method and means of growing coarse gypsum and magnetite |
| JPS5110198A (xx) * | 1974-07-15 | 1976-01-27 | Toda Kogyo Corp | |
| US4137293A (en) * | 1977-12-16 | 1979-01-30 | Ishihara Sangyo Kaisha, Ltd. | Producing gypsum and magnetite from ferrous sulfate and separating |
| US4137292A (en) | 1978-03-02 | 1979-01-30 | Uop Inc. | Purification of titanium trichloride |
| DE3327769A1 (de) | 1983-08-02 | 1985-02-14 | Bayer Ag, 5090 Leverkusen | Verfahren zur aufarbeitung von duennsaeuren |
| GB9213998D0 (en) | 1992-07-01 | 1992-08-12 | Tioxide Group Services Ltd | Process for preparing calcium sulphate |
| ES2146628T3 (es) * | 1993-08-12 | 2000-08-16 | Kerr Mcgee Pigments Gmbh & Co | Procedimiento para la elaboracion de acido diluido. |
-
1998
- 1998-03-20 DE DE19812261A patent/DE19812261A1/de not_active Withdrawn
-
1999
- 1999-03-17 WO PCT/EP1999/001735 patent/WO1999048808A1/de active IP Right Grant
- 1999-03-17 EP EP99910350A patent/EP1064223B1/de not_active Expired - Lifetime
- 1999-03-17 DE DE59901851T patent/DE59901851D1/de not_active Expired - Fee Related
- 1999-03-17 US US09/646,340 patent/US6440377B1/en not_active Expired - Fee Related
- 1999-03-17 JP JP2000537798A patent/JP2002507632A/ja not_active Withdrawn
- 1999-03-17 CA CA002324308A patent/CA2324308A1/en not_active Abandoned
- 1999-03-17 ES ES99910350T patent/ES2179627T3/es not_active Expired - Lifetime
- 1999-03-17 BR BR9908920-3A patent/BR9908920A/pt not_active IP Right Cessation
- 1999-03-17 AU AU29335/99A patent/AU2933599A/en not_active Abandoned
-
2000
- 2000-09-06 ZA ZA200004672A patent/ZA200004672B/xx unknown
- 2000-09-19 NO NO20004682A patent/NO323628B1/no unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014084129A1 (ja) * | 2012-11-28 | 2014-06-05 | 住友金属鉱山株式会社 | 中和処理方法及び中和剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20004682D0 (no) | 2000-09-19 |
| CA2324308A1 (en) | 1999-09-30 |
| AU2933599A (en) | 1999-10-18 |
| WO1999048808A1 (de) | 1999-09-30 |
| ES2179627T3 (es) | 2003-01-16 |
| US6440377B1 (en) | 2002-08-27 |
| ZA200004672B (en) | 2002-02-27 |
| JP2002507632A (ja) | 2002-03-12 |
| DE59901851D1 (de) | 2002-08-01 |
| DE19812261A1 (de) | 1999-09-23 |
| NO20004682L (no) | 2000-10-04 |
| BR9908920A (pt) | 2000-11-21 |
| EP1064223A1 (de) | 2001-01-03 |
| EP1064223B1 (de) | 2002-06-26 |
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