CA1064685A - Method of making sintered magnesia - Google Patents
Method of making sintered magnesiaInfo
- Publication number
- CA1064685A CA1064685A CA221,942A CA221942A CA1064685A CA 1064685 A CA1064685 A CA 1064685A CA 221942 A CA221942 A CA 221942A CA 1064685 A CA1064685 A CA 1064685A
- Authority
- CA
- Canada
- Prior art keywords
- ore
- cao
- dead
- calcium salt
- sio2
- 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
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 239000000395 magnesium oxide Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000000292 calcium oxide Substances 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 18
- 159000000007 calcium salts Chemical class 0.000 claims abstract description 16
- 235000014380 magnesium carbonate Nutrition 0.000 claims abstract description 15
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 14
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 14
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 14
- 238000002791 soaking Methods 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 7
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 48
- 235000012255 calcium oxide Nutrition 0.000 claims description 37
- 235000012245 magnesium oxide Nutrition 0.000 claims description 33
- 239000000377 silicon dioxide Substances 0.000 claims description 24
- 229910052681 coesite Inorganic materials 0.000 claims description 20
- 229910052906 cristobalite Inorganic materials 0.000 claims description 20
- 235000012239 silicon dioxide Nutrition 0.000 claims description 20
- 229910052682 stishovite Inorganic materials 0.000 claims description 20
- 229910052905 tridymite Inorganic materials 0.000 claims description 20
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical group [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 12
- 238000010304 firing Methods 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical group [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 claims description 4
- 239000001639 calcium acetate Substances 0.000 claims description 4
- 235000011092 calcium acetate Nutrition 0.000 claims description 4
- 229960005147 calcium acetate Drugs 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 8
- 235000011941 Tilia x europaea Nutrition 0.000 description 8
- 239000004571 lime Substances 0.000 description 8
- 239000011449 brick Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052599 brucite Inorganic materials 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000001354 calcination Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 2
- 235000012241 calcium silicate Nutrition 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 241000411532 Erites Species 0.000 description 1
- 241001092591 Flota Species 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
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000011822 basic refractory Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 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
- 238000007885 magnetic separation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 229930000044 secondary metabolite Natural products 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GR395374 | 1974-03-12 | ||
| GR409774 | 1974-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1064685A true CA1064685A (en) | 1979-10-23 |
Family
ID=26316294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA221,942A Expired CA1064685A (en) | 1974-03-12 | 1975-03-12 | Method of making sintered magnesia |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT366355B (de) |
| BR (1) | BR7501426A (de) |
| CA (1) | CA1064685A (de) |
| DE (1) | DE2431845C3 (de) |
| IN (1) | IN143581B (de) |
| TR (1) | TR18935A (de) |
| YU (1) | YU50775A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10781500B2 (en) | 2011-09-21 | 2020-09-22 | Rheinkalk Gmbh | Granules containing agglomerated bulk material |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3916044C2 (de) * | 1989-05-17 | 1994-05-26 | Dyko Industriekeramik Gmbh | Verfahren zur Herstellung eines geformten oder ungeformten feuerfesten Erzeugnisses und die Verwendung der damit hergestellten Erzeugnisse |
| GB9005815D0 (en) * | 1990-03-15 | 1990-05-09 | Shell Int Research | Process for preparing magnesia having reduced hydration tendency,hydration resistant magnesia,dry mixture for preparing magnesia based castables |
-
1974
- 1974-07-02 DE DE2431845A patent/DE2431845C3/de not_active Expired
-
1975
- 1975-03-01 IN IN389/CAL/75A patent/IN143581B/en unknown
- 1975-03-04 YU YU00507/75A patent/YU50775A/xx unknown
- 1975-03-05 AT AT0168175A patent/AT366355B/de not_active IP Right Cessation
- 1975-03-11 TR TR18935A patent/TR18935A/xx unknown
- 1975-03-11 BR BR1426/75A patent/BR7501426A/pt unknown
- 1975-03-12 CA CA221,942A patent/CA1064685A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10781500B2 (en) | 2011-09-21 | 2020-09-22 | Rheinkalk Gmbh | Granules containing agglomerated bulk material |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2431845A1 (de) | 1975-09-18 |
| IN143581B (de) | 1977-12-31 |
| TR18935A (tr) | 1977-12-20 |
| DE2431845B2 (de) | 1977-11-17 |
| DE2431845C3 (de) | 1978-07-13 |
| YU50775A (en) | 1982-02-28 |
| AU7894975A (en) | 1976-09-16 |
| ATA168175A (de) | 1981-08-15 |
| AT366355B (de) | 1982-04-13 |
| BR7501426A (pt) | 1975-12-09 |
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