BE804526A - Procede ameliore pour la recuperation de l'acide cyanhydrique - Google Patents
Procede ameliore pour la recuperation de l'acide cyanhydriqueInfo
- Publication number
- BE804526A BE804526A BE135370A BE135370A BE804526A BE 804526 A BE804526 A BE 804526A BE 135370 A BE135370 A BE 135370A BE 135370 A BE135370 A BE 135370A BE 804526 A BE804526 A BE 804526A
- Authority
- BE
- Belgium
- Prior art keywords
- recovery
- improved process
- cyanhydric acid
- cyanhydric
- acid
- Prior art date
Links
- 239000002253 acid Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
- C01C3/04—Separation from gases
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/20—Capture or disposal of greenhouse gases of methane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (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 |
|---|---|---|---|
| US28703872A | 1972-09-07 | 1972-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE804526A true BE804526A (fr) | 1974-03-06 |
Family
ID=23101212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE135370A BE804526A (fr) | 1972-09-07 | 1973-09-06 | Procede ameliore pour la recuperation de l'acide cyanhydrique |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5052000A (member.php) |
| BE (1) | BE804526A (member.php) |
| CA (1) | CA1001826A (member.php) |
| DE (1) | DE2344918A1 (member.php) |
| FR (1) | FR2198895B1 (member.php) |
| GB (1) | GB1396249A (member.php) |
| IT (1) | IT995298B (member.php) |
| NL (1) | NL7312387A (member.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1371632A1 (en) * | 2002-06-14 | 2003-12-17 | Rohm And Haas Company | Process for producing acetone cyanohydrin |
| DE10317929A1 (de) | 2003-04-17 | 2004-11-11 | Basf Ag | Verfahren zur Aufreinigung von Blausäure |
| JP5828675B2 (ja) * | 2011-05-17 | 2015-12-09 | 日鉄住金環境株式会社 | シアン含有廃液の処理方法およびこれに使用する薬剤 |
| CN107789981A (zh) * | 2017-12-06 | 2018-03-13 | 西安科技大学 | 一种建筑火灾用烟气吸收器及烟气吸收方法 |
| EP3604222A1 (en) * | 2018-07-30 | 2020-02-05 | Evonik Operations GmbH | Process for the purification of hydrogen cyanide |
| CN116096676B (zh) * | 2020-07-14 | 2024-04-16 | 赛安可公司 | 改进的碱金属氰化物生产 |
| CN117623334A (zh) * | 2023-11-27 | 2024-03-01 | 重庆晨沃力化工技术有限公司 | 一种氨氧化法制备液体hcn的方法及反应气吸收系统 |
-
1973
- 1973-09-03 FR FR7331748A patent/FR2198895B1/fr not_active Expired
- 1973-09-04 JP JP48098949A patent/JPS5052000A/ja active Pending
- 1973-09-05 CA CA180,378A patent/CA1001826A/en not_active Expired
- 1973-09-06 DE DE19732344918 patent/DE2344918A1/de active Pending
- 1973-09-06 IT IT2865573A patent/IT995298B/it active
- 1973-09-06 BE BE135370A patent/BE804526A/xx not_active IP Right Cessation
- 1973-09-06 GB GB4200373A patent/GB1396249A/en not_active Expired
- 1973-09-07 NL NL7312387A patent/NL7312387A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5052000A (member.php) | 1975-05-09 |
| CA1001826A (en) | 1976-12-21 |
| NL7312387A (member.php) | 1974-03-11 |
| DE2344918A1 (de) | 1974-03-14 |
| IT995298B (it) | 1975-11-10 |
| GB1396249A (en) | 1975-06-04 |
| FR2198895B1 (member.php) | 1977-02-25 |
| FR2198895A1 (member.php) | 1974-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: E.I. DU PONT DE NEMOURS AND CY Effective date: 19860930 |