JPS4970894A - - Google Patents
Info
- Publication number
- JPS4970894A JPS4970894A JP10202173A JP10202173A JPS4970894A JP S4970894 A JPS4970894 A JP S4970894A JP 10202173 A JP10202173 A JP 10202173A JP 10202173 A JP10202173 A JP 10202173A JP S4970894 A JPS4970894 A JP S4970894A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/026—Preparation of ammonia from inorganic compounds
- C01C1/028—Preparation of ammonia from inorganic compounds from ammonium sulfate or sulfite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
- C01B17/504—Preparation of sulfur dioxide by reduction of sulfur compounds of ammonium sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/026—Preparation of ammonia from inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Treating Waste Gases (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4744173A GB1446480A (en) | 1973-09-10 | 1973-10-11 | Teaching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7233815A FR2201250A1 (en) | 1972-09-22 | 1972-09-22 | Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4970894A true JPS4970894A (ja) | 1974-07-09 |
Family
ID=9104704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10202173A Pending JPS4970894A (ja) | 1972-09-22 | 1973-09-10 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4970894A (ja) |
| DE (1) | DE2346084A1 (ja) |
| FR (1) | FR2201250A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7704481A (nl) * | 1977-04-25 | 1977-08-31 | Stamicarbon | Werkwijze voor het winnen van ammoniak en zwavel- dioxide uit verontreinigd ammoniumzout van zwavel- zuur. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1220398B (de) * | 1962-11-15 | 1966-07-07 | Roehm & Haas Gmbh | Gewinnung von Ammoniak und Schwefeldioxyd aus Ammoniumbisulfat enthaltenden Abfallschwefelsaeuren |
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1972
- 1972-09-22 FR FR7233815A patent/FR2201250A1/fr active Granted
-
1973
- 1973-09-10 JP JP10202173A patent/JPS4970894A/ja active Pending
- 1973-09-13 DE DE19732346084 patent/DE2346084A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2346084A1 (de) | 1974-03-28 |
| FR2201250B1 (ja) | 1978-09-29 |
| FR2201250A1 (en) | 1974-04-26 |