BE501649A - - Google Patents
Info
- Publication number
- BE501649A BE501649A BE501649DA BE501649A BE 501649 A BE501649 A BE 501649A BE 501649D A BE501649D A BE 501649DA BE 501649 A BE501649 A BE 501649A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/14—Hydroxylamine; Salts thereof
- C01B21/1409—Preparation
- C01B21/1427—Preparation by reduction of nitrogen oxides or nitrites with bisulfite or sulfur dioxide, e.g. by the Raschig process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/087—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms
- C01B21/093—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms containing also one or more sulfur atoms
- C01B21/0935—Imidodisulfonic acid; Nitrilotrisulfonic acid; Salts thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/087—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms
- C01B21/093—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms containing also one or more sulfur atoms
- C01B21/096—Amidosulfonic acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL292070X | 1950-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE501649A true BE501649A (en:Method) |
Family
ID=19782806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE501649D BE501649A (en:Method) | 1950-03-04 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2686106A (en:Method) |
| BE (1) | BE501649A (en:Method) |
| CH (1) | CH292070A (en:Method) |
| DE (1) | DE852843C (en:Method) |
| FR (1) | FR1042759A (en:Method) |
| GB (1) | GB676956A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3017172A1 (de) * | 1980-05-05 | 1981-11-12 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von ammonium-nitrilo-trisulfonat |
| DE3039021A1 (de) * | 1980-10-16 | 1982-05-13 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von alkalisalzen der imidodisulfonsaeure |
| CN113526643B (zh) * | 2021-07-05 | 2023-03-17 | 上海交通大学 | 一种亚硝酸盐废水的脱氮方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2458404A (en) * | 1945-06-05 | 1949-01-04 | Du Pont | Manufacture of sodium hydroxylamine sulfonates |
| NL68685C (en:Method) * | 1948-11-01 | 1951-09-15 |
-
0
- BE BE501649D patent/BE501649A/xx unknown
-
1951
- 1951-02-28 GB GB4816/51A patent/GB676956A/en not_active Expired
- 1951-03-01 FR FR1042759D patent/FR1042759A/fr not_active Expired
- 1951-03-02 CH CH292070D patent/CH292070A/de unknown
- 1951-03-03 DE DEN3569A patent/DE852843C/de not_active Expired
-
1952
- 1952-09-16 US US309821A patent/US2686106A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB676956A (en) | 1952-08-06 |
| DE852843C (de) | 1952-10-20 |
| CH292070A (de) | 1953-07-31 |
| FR1042759A (fr) | 1953-11-03 |
| US2686106A (en) | 1954-08-10 |