GB767204A - A process for the manufacture of ammonium sulphate - Google Patents
A process for the manufacture of ammonium sulphateInfo
- Publication number
- GB767204A GB767204A GB35930/53A GB3593053A GB767204A GB 767204 A GB767204 A GB 767204A GB 35930/53 A GB35930/53 A GB 35930/53A GB 3593053 A GB3593053 A GB 3593053A GB 767204 A GB767204 A GB 767204A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- sulphur dioxide
- sulphur
- produced
- hydrogen sulphide
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/245—Preparation from compounds containing nitrogen and sulfur
- C01C1/246—Preparation from compounds containing nitrogen and sulfur from sulfur-containing ammonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
An aqueous solution of ammonium sulphite and/or bisulphate, optionally containing a thionate, is brought into intimate contact at elevated temperature, preferably above 120 DEG C., with sulphur and with hot gases under acid conditions such that ammonium sulphate and sulphur are produced and sufficient water is evaporated to allow crystallization of the ammonium sulphate without further evaporation. The thionate may be thiosulphate. Slightly elevated pressure is preferably employed. The solution may first be treated with sulphur dioxide or sulphuric acid and then hot inert gases such as carbon dioxide or nitrogen passed through. Alternatively hot sulphur dioxide gas may be employed to both acidify and heat the solution. The sulphur dioxide may be produced by burning hydrogen sulphide (recovered from coke oven gas by absorption in ammonic solution and desorpition in a deacidifier at an immersion burner. A solution containing ammonium sulphite, bisulphite and thiosulphate for treatment may be produced by circulating a solution of ammonium sulphite between a gaseous ammonia and a sulphur dioxide absorption stage and then adding aqueous ammonia, the gaseous ammonia (together with some hydrogen sulphide) being provided by the coke oven gas after the hydrogen sulphide removal step and the sulphur dioxide by the sulphur dioxide combustion gases evolved from the solution treated.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE767204X | 1952-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB767204A true GB767204A (en) | 1957-01-30 |
Family
ID=6673495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35930/53A Expired GB767204A (en) | 1952-12-27 | 1953-12-24 | A process for the manufacture of ammonium sulphate |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB767204A (en) |
-
1953
- 1953-12-24 GB GB35930/53A patent/GB767204A/en not_active Expired
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