BE632836A - - Google Patents
Info
- Publication number
- BE632836A BE632836A BE632836DA BE632836A BE 632836 A BE632836 A BE 632836A BE 632836D A BE632836D A BE 632836DA BE 632836 A BE632836 A BE 632836A
- 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
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
- C01B21/46—Purification; Separation ; Stabilisation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/15—Special material
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US199633A US3202481A (en) | 1962-06-04 | 1962-06-04 | Purification of nitric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE632836A true BE632836A (fr) |
Family
ID=22738376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE632836D BE632836A (fr) | 1962-06-04 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3202481A (fr) |
| BE (1) | BE632836A (fr) |
| DE (1) | DE1248627B (fr) |
| GB (1) | GB1016984A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3401095A (en) * | 1964-07-09 | 1968-09-10 | Gnii Pi Azotnoj | Method of purifying nitric acid |
| CN101955168B (zh) * | 2010-09-29 | 2013-07-31 | 上海化学试剂研究所 | 一种硝酸溶液精馏过程中去除二氧化氮的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1315354A (en) * | 1919-09-09 | of cleveland |
-
0
- DE DENDAT1248627D patent/DE1248627B/de active Pending
- BE BE632836D patent/BE632836A/xx unknown
-
1962
- 1962-06-04 US US199633A patent/US3202481A/en not_active Expired - Lifetime
-
1963
- 1963-05-10 GB GB18518/63A patent/GB1016984A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3202481A (en) | 1965-08-24 |
| DE1248627B (de) | 1967-08-31 |
| GB1016984A (en) | 1966-01-12 |