ES346580A1 - Process for the Manufacture of Nitric Acid. - Google Patents
Process for the Manufacture of Nitric Acid.Info
- Publication number
- ES346580A1 ES346580A1 ES346580A ES346580A ES346580A1 ES 346580 A1 ES346580 A1 ES 346580A1 ES 346580 A ES346580 A ES 346580A ES 346580 A ES346580 A ES 346580A ES 346580 A1 ES346580 A1 ES 346580A1
- Authority
- ES
- Spain
- Prior art keywords
- nitric acid
- air
- oxides
- dissolved
- carried out
- 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
- 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
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
More concentrated nitric acid is produced by treating nitric acid containing dissolved oxides of nitrogen in a tower, containing devices to ensure good gas-liquid contact, with air and/or oxygen flowing in the same direction as the acid in order to oxidize the dissolved oxides, whereafter the nitric acid is treated in counterflow with air in order to remove the oxides still dissolved. The treatment with air and/or oxygen is preferably carried out at 20-50 C. and under from 1 to 10 atmospheres. The counter-flow treatment with air may be carried out at a pressure between atmospheric pressure and that used during the oxidation. Conventional gas-liquid contact apparatus is used.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1055466A AT270684B (en) | 1966-11-15 | 1966-11-15 | Process for the production of concentrated nitric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES346580A1 true ES346580A1 (en) | 1969-01-01 |
Family
ID=3623154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES346580A Expired ES346580A1 (en) | 1966-11-15 | 1967-10-30 | Process for the Manufacture of Nitric Acid. |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT270684B (en) |
| BE (1) | BE706009A (en) |
| CH (1) | CH468934A (en) |
| DE (1) | DE1667717A1 (en) |
| ES (1) | ES346580A1 (en) |
| GB (1) | GB1178318A (en) |
| NL (1) | NL6715177A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1603630A (en) * | 1977-06-16 | 1981-11-25 | Boc Ltd | Gas-liquid contact process |
| DE2749550A1 (en) * | 1977-11-05 | 1979-05-10 | Hoechst Ag | METHOD OF ABSORBING NITROUS GASES |
| CN112591722B (en) * | 2020-12-16 | 2022-05-17 | 四川金象赛瑞化工股份有限公司 | Method for co-producing industrial-grade nitric acid and electronic-grade nitric acid |
| CN113426270A (en) * | 2021-08-10 | 2021-09-24 | 联仕(昆山)化学材料有限公司 | White blowing device and white blowing process for producing electronic-grade nitric acid |
-
1966
- 1966-11-15 AT AT1055466A patent/AT270684B/en active
-
1967
- 1967-10-13 DE DE19671667717 patent/DE1667717A1/en active Pending
- 1967-10-19 GB GB4754367A patent/GB1178318A/en not_active Expired
- 1967-10-30 ES ES346580A patent/ES346580A1/en not_active Expired
- 1967-10-31 CH CH1528867A patent/CH468934A/en unknown
- 1967-11-03 BE BE706009D patent/BE706009A/xx unknown
- 1967-11-09 NL NL6715177A patent/NL6715177A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE706009A (en) | 1968-03-18 |
| NL6715177A (en) | 1968-05-16 |
| AT270684B (en) | 1969-05-12 |
| CH468934A (en) | 1969-02-28 |
| GB1178318A (en) | 1970-01-21 |
| DE1667717A1 (en) | 1971-07-22 |
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