NO744474L - - Google Patents
Info
- Publication number
- NO744474L NO744474L NO744474A NO744474A NO744474L NO 744474 L NO744474 L NO 744474L NO 744474 A NO744474 A NO 744474A NO 744474 A NO744474 A NO 744474A NO 744474 L NO744474 L NO 744474L
- Authority
- NO
- Norway
- Prior art keywords
- stated
- chrome ore
- grains
- approx
- magnesium
- Prior art date
Links
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 113
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 68
- 239000000395 magnesium oxide Substances 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 28
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 20
- 239000000347 magnesium hydroxide Substances 0.000 claims description 20
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 20
- 238000001354 calcination Methods 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 16
- 239000011651 chromium Substances 0.000 claims description 15
- 229910052804 chromium Inorganic materials 0.000 claims description 15
- 150000002681 magnesium compounds Chemical class 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000012065 filter cake Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 5
- 239000001095 magnesium carbonate Substances 0.000 claims description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- KLYCPFXDDDMZNQ-UHFFFAOYSA-N Benzyne Chemical compound C1=CC#CC=C1 KLYCPFXDDDMZNQ-UHFFFAOYSA-N 0.000 claims 1
- 235000012245 magnesium oxide Nutrition 0.000 description 55
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 21
- 239000004575 stone Substances 0.000 description 21
- 238000010304 firing Methods 0.000 description 13
- 239000011819 refractory material Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 10
- 229910052596 spinel Inorganic materials 0.000 description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000011029 spinel Substances 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- -1 merwinite Chemical class 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 235000014380 magnesium carbonate Nutrition 0.000 description 4
- 150000004760 silicates Chemical class 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000000280 densification 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
- 230000008023 solidification Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 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
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052566 spinel group Inorganic materials 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 229910026161 MgAl2O4 Inorganic materials 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 244000240602 cacao Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- QSDQMOYYLXMEPS-UHFFFAOYSA-N dialuminium Chemical compound [Al]#[Al] QSDQMOYYLXMEPS-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052605 nesosilicate Inorganic materials 0.000 description 1
- 150000004762 orthosilicates Chemical class 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO744474A NO744474L (enExample) | 1974-12-11 | 1974-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO744474A NO744474L (enExample) | 1974-12-11 | 1974-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO744474L true NO744474L (enExample) | 1976-06-14 |
Family
ID=19881990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO744474A NO744474L (enExample) | 1974-12-11 | 1974-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO744474L (enExample) |
-
1974
- 1974-12-11 NO NO744474A patent/NO744474L/no unknown
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