BE381194A - - Google Patents
Info
- Publication number
- BE381194A BE381194A BE381194DA BE381194A BE 381194 A BE381194 A BE 381194A BE 381194D A BE381194D A BE 381194DA BE 381194 A BE381194 A BE 381194A
- Authority
- BE
- Belgium
- Prior art keywords
- sulfuric acid
- calcium
- excess
- calcium sulfate
- oleum
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 30
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 22
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 229940095564 anhydrous calcium sulfate Drugs 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 229940095672 calcium sulfate Drugs 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 235000011132 calcium sulphate Nutrition 0.000 description 9
- 239000001175 calcium sulphate Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 4
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229940043430 calcium compound Drugs 0.000 description 2
- 150000001674 calcium compounds Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000012024 dehydrating agents Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE381194A true BE381194A (d) |
Family
ID=50790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE381194D BE381194A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE381194A (d) |
-
0
- BE BE381194D patent/BE381194A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE381194A (d) | ||
| CH636624A5 (fr) | Procede de fabrication de monoethylphosphite d'aluminium. | |
| US3009954A (en) | Process for the production of sarcosine and related alkylamino-acetic acids | |
| SU945076A1 (ru) | Способ очистки фосфогипса | |
| BE371276A (d) | ||
| SU332115A1 (ru) | Способ очистки сульфатного скипидара | |
| BE485126A (d) | ||
| BE377065A (d) | ||
| BE378217A (d) | ||
| CH306374A (fr) | Procédé de fabrication de solutions concentrées du sel de sodium de l'acide 2-méthyl-4-chlorphénoxyacétique. | |
| BE484554A (d) | ||
| CH113172A (fr) | Procédé de fabrication d'un engrais alcalino-azoté à base d'urée. | |
| BE500483A (d) | ||
| BE394295A (d) | ||
| BE523261A (d) | ||
| CH331510A (fr) | Procédé d'obtention d'amides organiques insaturées solubles dans l'eau, à partir de leurs sulfates | |
| BE467859A (d) | ||
| CH133793A (fr) | Procédé de fabrication du nitrate de sodium en partant du chlorure de sodium. | |
| CH283049A (fr) | Procédé de fabrication de l'acide ortho-sulfinique du benzoate de méthyle. | |
| BE379437A (d) | ||
| BE433389A (d) | ||
| BE378758A (d) | ||
| BE668823A (d) | ||
| BE529776A (d) | ||
| BE449017A (d) |