ATE81836T1 - Verfahren und vorrichtung zur verminderung des gehaltes an stickstoffoxiden in abgasen der absorptionssaeule zur herstellung von salpetersaeure. - Google Patents
Verfahren und vorrichtung zur verminderung des gehaltes an stickstoffoxiden in abgasen der absorptionssaeule zur herstellung von salpetersaeure.Info
- Publication number
- ATE81836T1 ATE81836T1 AT87111782T AT87111782T ATE81836T1 AT E81836 T1 ATE81836 T1 AT E81836T1 AT 87111782 T AT87111782 T AT 87111782T AT 87111782 T AT87111782 T AT 87111782T AT E81836 T1 ATE81836 T1 AT E81836T1
- Authority
- AT
- Austria
- Prior art keywords
- plates
- column
- reducing
- absorption
- liquid level
- Prior art date
Links
- 238000010521 absorption reaction Methods 0.000 title abstract 5
- 239000007789 gas Substances 0.000 title abstract 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 229910017604 nitric acid Inorganic materials 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 abstract 5
- 230000003647 oxidation Effects 0.000 abstract 3
- 238000007254 oxidation reaction Methods 0.000 abstract 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 abstract 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
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
- C01B21/40—Preparation by absorption of oxides of nitrogen
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO863274A NO162336C (no) | 1986-08-13 | 1986-08-13 | Fremgangsmaate og apparat for reduksjon av nitrogenoksydinnholdet i avgasser fra absorpsjonskolonne for fremstillingav salpetersyre. |
| EP87111782A EP0256533B1 (de) | 1986-08-13 | 1987-08-13 | Verfahren und Vorrichtung zur Verminderung des Gehaltes an Stickstoffoxiden in Abgasen der Absorptionssäule zur Herstellung von Salpetersäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE81836T1 true ATE81836T1 (de) | 1992-11-15 |
Family
ID=19889135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT87111782T ATE81836T1 (de) | 1986-08-13 | 1987-08-13 | Verfahren und vorrichtung zur verminderung des gehaltes an stickstoffoxiden in abgasen der absorptionssaeule zur herstellung von salpetersaeure. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0256533B1 (de) |
| AT (1) | ATE81836T1 (de) |
| DE (2) | DE256533T1 (de) |
| ES (1) | ES2035006T3 (de) |
| NO (1) | NO162336C (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8816580U1 (de) * | 1988-01-20 | 1989-12-07 | Uhde Gmbh, 4600 Dortmund | Bodenkolonne zur Herstellung von Salpetersäure durch Oxidation und Absorption von Stickoxiden |
| RU2203851C2 (ru) * | 2000-09-27 | 2003-05-10 | Открытое акционерное общество "Концерн Стирол" | Установка для производства азотной кислоты |
| UA43521A (uk) * | 2000-12-19 | 2001-12-17 | Відкрите Акціонерне Товариство "Концерн Стирол" | Спосіб отримання азотної кислоти |
| RU2248936C2 (ru) * | 2000-12-19 | 2005-03-27 | Открытое акционерное общество "Концерн Стирол" | Способ производства азотной кислоты |
| CN108479349B (zh) * | 2018-04-25 | 2020-12-11 | 金智慧 | 一种工业硝酸制备系统 |
| EP3904280A1 (de) * | 2020-04-29 | 2021-11-03 | Yara International ASA | Absorptionskolonne mit verteiler box und gezähntem wehr und verfahren zur herstellung von salpetersäure |
| CN114307595B (zh) * | 2021-12-02 | 2023-03-24 | 赛鼎工程有限公司 | 一种复合型硝酸生产用高效吸收塔及制备酸的方法 |
| CN114288835B (zh) * | 2021-12-02 | 2023-04-14 | 赛鼎工程有限公司 | 提高65％-68％高浓度稀酸制备过程中氧化度及效率的结构及方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2206495A (en) * | 1938-03-30 | 1940-07-02 | American Cyanamid Co | Absorption system for nitric acid |
| NL259707A (de) * | 1960-01-20 | |||
| FR2486513A1 (fr) * | 1980-07-11 | 1982-01-15 | Rhone Poulenc Ind | Procede de traitement d'un courant gazeux contenant des oxydes d'azote et de l'oxygene |
-
1986
- 1986-08-13 NO NO863274A patent/NO162336C/no unknown
-
1987
- 1987-08-13 EP EP87111782A patent/EP0256533B1/de not_active Expired - Lifetime
- 1987-08-13 DE DE198787111782T patent/DE256533T1/de active Pending
- 1987-08-13 DE DE8787111782T patent/DE3782374T2/de not_active Expired - Fee Related
- 1987-08-13 AT AT87111782T patent/ATE81836T1/de not_active IP Right Cessation
- 1987-08-13 ES ES198787111782T patent/ES2035006T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0256533B1 (de) | 1992-10-28 |
| EP0256533A2 (de) | 1988-02-24 |
| NO162336C (no) | 1989-12-13 |
| NO863274D0 (no) | 1986-08-13 |
| EP0256533A3 (en) | 1988-07-27 |
| NO162336B (no) | 1989-09-04 |
| DE3782374T2 (de) | 1993-03-11 |
| DE3782374D1 (de) | 1992-12-03 |
| NO863274L (no) | 1988-02-15 |
| DE256533T1 (de) | 1988-06-09 |
| ES2035006T3 (es) | 1993-04-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |