GB303808A - Improvements in or relating to the manufacture of decomposition products from iron sulphates - Google Patents
Improvements in or relating to the manufacture of decomposition products from iron sulphatesInfo
- Publication number
- GB303808A GB303808A GB829/29A GB82929A GB303808A GB 303808 A GB303808 A GB 303808A GB 829/29 A GB829/29 A GB 829/29A GB 82929 A GB82929 A GB 82929A GB 303808 A GB303808 A GB 303808A
- Authority
- GB
- United Kingdom
- Prior art keywords
- decomposition
- effected
- ferric
- decomposition products
- ferric oxide
- 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
- 238000000354 decomposition reaction Methods 0.000 title abstract 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical class [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 abstract 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 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]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
303,808. I. G. Farbenindustrie Akt.- Ges. Jan. 9, 1928, [Convention date]. Sulphur trioxide. - The dehydration and decomposition of iron sulphates is effected in the presence of a solid decomposition product obtained by heating ferric sulphate, preferably ferric oxide. A small amount of an alkali or alkaline earth oxide, hydroxide, or carbonate may also be present. Oxidation may precede or be effected simultaneously with the drying and decomposition, and a catalyst for the gaseous decomposition products, for instance ferric oxide when added, may be present to obtain complete recovery of sulphuric acid as sulphur trioxide. In examples 10-30 per cent of ferric oxide obtained by heating ferric sulphate is added, drying is effected at 300-400‹ C. in a revolving furnace and decomposition at 750-850‹ C. in a calcining furnace.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE303808X | 1928-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB303808A true GB303808A (en) | 1930-04-09 |
Family
ID=6113951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB829/29A Expired GB303808A (en) | 1928-01-09 | 1929-01-09 | Improvements in or relating to the manufacture of decomposition products from iron sulphates |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB303808A (en) |
-
1929
- 1929-01-09 GB GB829/29A patent/GB303808A/en not_active Expired
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