BE621900A - - Google Patents
Info
- Publication number
- BE621900A BE621900A BE621900DA BE621900A BE 621900 A BE621900 A BE 621900A BE 621900D A BE621900D A BE 621900DA BE 621900 A BE621900 A BE 621900A
- Authority
- BE
- Belgium
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
- C01C1/12—Separation of ammonia from gases and vapours
-
- 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
- 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
- C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Treating Waste Gases (AREA)
- Industrial Gases (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC24970A DE1160421B (de) | 1961-08-30 | 1961-08-30 | Verfahren zur Gewinnung von Ammoniak und Schwefeldioxyd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE621900A true BE621900A (it) | 1900-01-01 |
Family
ID=7017774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE621900D BE621900A (it) | 1961-08-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3275407A (it) |
| BE (1) | BE621900A (it) |
| DE (1) | DE1160421B (it) |
| GB (1) | GB1004524A (it) |
| NL (2) | NL132894C (it) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1084096A (it) * | 1963-12-03 | 1900-01-01 | ||
| US3419601A (en) * | 1964-03-03 | 1968-12-31 | Du Pont | Cyclic process for the production of methyl methacrylate |
| US3645671A (en) * | 1969-10-24 | 1972-02-29 | Exxon Research Engineering Co | Flue gas desulfurization with ammonium sulfite |
| US3645683A (en) * | 1970-03-10 | 1972-02-29 | Du Pont | Regeneration of acid |
| US3950502A (en) * | 1971-02-19 | 1976-04-13 | Chemiebau Dr. A. Zieren Gesellschaft Mit Beschrankter Haftung & Co. Kg | Process for working up the scrubbing solution obtained in the scrubbing of So2 -containing waste gases |
| US3954955A (en) * | 1971-08-31 | 1976-05-04 | Davy Powergas Gmbh | Process for working up the wash solution obtained in the washing of SO2 -containing off-gases |
| US3852273A (en) * | 1971-05-07 | 1974-12-03 | Stamicarbon | Process for preparing and recovering lactams |
| NL164028C (nl) * | 1971-05-07 | 1980-11-17 | Stamicarbon | Werkwijze voor de afscheiding van lactamen. |
| FR2138545B1 (it) * | 1971-05-27 | 1973-05-25 | Inst Francais Du Petrole | |
| DE2130037B2 (de) * | 1971-06-18 | 1977-02-10 | Davy Powergas GmbH, 5000Köln | Verfahren zur herstellung von lactamen |
| DE2130036B2 (de) * | 1971-06-18 | 1977-02-10 | Davy Powergas GmbH, 5000 Köln | Verfahren zur herstellung von lactamen |
| DE2333518C3 (de) * | 1973-07-02 | 1981-02-26 | Dr. C. Otto & Comp. Gmbh, 4630 Bochum | Verfahren zur Entfernung des Ammoniaks aus Gasen |
| NL7601061A (nl) * | 1976-02-03 | 1977-08-05 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel. |
| NL7607047A (nl) * | 1976-06-28 | 1977-12-30 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel. |
| DE2900426A1 (de) * | 1978-01-10 | 1979-07-12 | Inst Francais Du Petrol | Verfahren zur umwandlung von ammonium- imidodisulfat, ammoniumsulfamat und ammoniumdithionat in schwefeldioxid und ammoniak |
| DE3732026A1 (de) * | 1987-09-23 | 1989-04-06 | Hoelter Heinz | Thermische reinigung von e-filterasche, die mit ammoniak oder ammonsalzen belastet ist |
| US5082645A (en) * | 1990-08-24 | 1992-01-21 | Chemetics International Company, Ltd. | Waste acid recovery process |
| NO315600B1 (no) * | 2001-09-27 | 2003-09-29 | Silicatech Ans V Ole Johan Aul | Fremgangsmåte for fremstilling av ammoniakk og svovelsyre ved spalting av ammoniumsulfat |
| CN112174165A (zh) * | 2019-07-03 | 2021-01-05 | 强方投顾股份有限公司 | 半导体级氨水及硫酸回收循环制造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2926070A (en) * | 1954-02-23 | 1960-02-23 | Houdry Process Corp | Decomposition of ammonium sulfate |
| US2927001A (en) * | 1958-06-30 | 1960-03-01 | Robert F Mccullough | Production of ammonia and sulfurbearing materials from ammonium sulfate |
-
0
- NL NL282684D patent/NL282684A/xx unknown
- BE BE621900D patent/BE621900A/xx unknown
- NL NL132894D patent/NL132894C/xx active
-
1961
- 1961-08-30 DE DEC24970A patent/DE1160421B/de active Pending
-
1962
- 1962-08-28 GB GB33050/62A patent/GB1004524A/en not_active Expired
- 1962-08-28 US US220083A patent/US3275407A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL282684A (it) | 1900-01-01 |
| DE1160421B (de) | 1964-01-02 |
| US3275407A (en) | 1966-09-27 |
| NL132894C (it) | 1900-01-01 |
| GB1004524A (en) | 1965-09-15 |