DE2153296C3 - Verfahren zur Gewinnung von Ammoniak aus einem gasförmigen Gemisch, das NH3 und HCN enthält - Google Patents
Verfahren zur Gewinnung von Ammoniak aus einem gasförmigen Gemisch, das NH3 und HCN enthältInfo
- Publication number
- DE2153296C3 DE2153296C3 DE2153296A DE2153296A DE2153296C3 DE 2153296 C3 DE2153296 C3 DE 2153296C3 DE 2153296 A DE2153296 A DE 2153296A DE 2153296 A DE2153296 A DE 2153296A DE 2153296 C3 DE2153296 C3 DE 2153296C3
- Authority
- DE
- Germany
- Prior art keywords
- ammonia
- stream
- column
- solution
- phosphate
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 132
- 229910021529 ammonia Inorganic materials 0.000 title claims description 70
- 238000000034 method Methods 0.000 title claims description 10
- 239000008246 gaseous mixture Substances 0.000 title description 2
- 238000004519 manufacturing process Methods 0.000 title description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 title 1
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 50
- 238000010521 absorption reaction Methods 0.000 claims description 22
- 229910019142 PO4 Inorganic materials 0.000 claims description 15
- 239000010452 phosphate Substances 0.000 claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 13
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 15
- 239000006096 absorbing agent Substances 0.000 description 10
- 235000021317 phosphate Nutrition 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 2
- 235000019838 diammonium phosphate Nutrition 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/12—Separation of ammonia from gases and vapours
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8372770A | 1970-10-26 | 1970-10-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2153296A1 DE2153296A1 (de) | 1972-04-27 |
| DE2153296B2 DE2153296B2 (de) | 1979-11-29 |
| DE2153296C3 true DE2153296C3 (de) | 1980-08-14 |
Family
ID=22180292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2153296A Expired DE2153296C3 (de) | 1970-10-26 | 1971-10-26 | Verfahren zur Gewinnung von Ammoniak aus einem gasförmigen Gemisch, das NH3 und HCN enthält |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3718731A (enExample) |
| JP (1) | JPS5315037B1 (enExample) |
| BE (1) | BE774395A (enExample) |
| CA (1) | CA947472A (enExample) |
| DE (1) | DE2153296C3 (enExample) |
| FR (1) | FR2113218A5 (enExample) |
| GB (1) | GB1350490A (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1017536A (en) * | 1973-07-02 | 1977-09-20 | Robert D. Rice | Process for the separation and recovery of ammonia and acid gases |
| US3985863A (en) * | 1973-07-02 | 1976-10-12 | United States Steel Corporation | Process for the separation and recovery of ammonia and acid gases |
| US3914386A (en) * | 1974-07-30 | 1975-10-21 | Du Pont | Reduction of foaming in ammonia recovery system of a HCN manufacturing process |
| US4183902A (en) * | 1978-06-13 | 1980-01-15 | Jgc Corporation | Wet process for removing specific component from gas |
| EP0030151B1 (en) * | 1979-12-03 | 1983-11-23 | E.I. Du Pont De Nemours And Company | Hydrogen cyanide manufacturing process |
| US4594131A (en) * | 1984-08-13 | 1986-06-10 | United States Steel Corporation | Process for removing ammonia and acid gases from process streams |
| TW382005B (en) * | 1996-04-30 | 2000-02-11 | Standard Oil Co Ohio | Process for recovery and recycle of ammonia from an acrylonitrile reactor refluent stream using an ammonium phosphate quench system |
| DE69728866T2 (de) * | 1997-06-17 | 2005-04-21 | Standard Oil The Company Chica | Verfahren zur Wiedergewinnung von Ammonia aus einem Abfallstrom eines Acrylonitrilreaktors mittels eines Ammoniumphosphatabkühlsystems |
| RU2237016C2 (ru) * | 1997-06-18 | 2004-09-27 | Дзе Стандарт Ойл Компани | Способ извлечения непрореагировавшего аммиака из вытекающего из реактора потока |
| KR100644119B1 (ko) * | 1997-06-20 | 2007-05-14 | 더 스탠다드 오일 캄파니 | 암모늄포스페이트켄치시스템에의한아크릴로니트릴반응기유출액흐름으로부터암모니아의회수및재순환방법 |
| MXPA01005155A (es) * | 2000-05-23 | 2003-08-20 | Rohm & Haas | Proceso para la recuperacion y el reciclaje de amoniaco proveniente de una corriente efluente de reactor. |
| ZA200202509B (en) * | 2001-04-06 | 2002-10-24 | Rohm & Haas | Improved process for ammonia recovery. |
| US8685236B2 (en) * | 2009-08-20 | 2014-04-01 | General Electric Company | Methods and systems for treating sour water |
| CN103420396A (zh) * | 2012-05-16 | 2013-12-04 | 中国石油化工股份有限公司 | 丙烯腈无硫铵工艺铵盐解析的新方法 |
| CN103524380A (zh) * | 2012-07-03 | 2014-01-22 | 中国石油化工股份有限公司 | 丙烯腈无硫铵工艺中降低吸收液中有机物含量的方法 |
| US20150183649A1 (en) * | 2012-07-19 | 2015-07-02 | Invista North America S.A R.L. | Ammonia recovery with purge for corrosion control |
| WO2014099600A1 (en) | 2012-12-18 | 2014-06-26 | Invista North America S.A.R.L. | Process for heat recovery from ammonia stripper in adrussow process |
| CN106565538B (zh) * | 2016-11-07 | 2019-03-15 | 上海东化环境工程有限公司 | 一种丙烯腈反应气的净化工艺 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2797148A (en) * | 1951-03-13 | 1957-06-25 | Du Pont | Recovery of nh3 from a gaseous mixture containing nh3 and hcn |
| US2912301A (en) * | 1956-10-18 | 1959-11-10 | Kellogg M W Co | Method of removing acidic components from gaseous mixtures |
-
1970
- 1970-10-26 US US00083727A patent/US3718731A/en not_active Expired - Lifetime
-
1971
- 1971-10-19 CA CA125,568A patent/CA947472A/en not_active Expired
- 1971-10-25 FR FR7138290A patent/FR2113218A5/fr not_active Expired
- 1971-10-25 BE BE774395A patent/BE774395A/xx not_active IP Right Cessation
- 1971-10-26 DE DE2153296A patent/DE2153296C3/de not_active Expired
- 1971-10-26 GB GB4972771A patent/GB1350490A/en not_active Expired
- 1971-10-26 JP JP8505671A patent/JPS5315037B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE774395A (fr) | 1972-04-25 |
| FR2113218A5 (enExample) | 1972-06-23 |
| DE2153296B2 (de) | 1979-11-29 |
| US3718731A (en) | 1973-02-27 |
| CA947472A (en) | 1974-05-21 |
| GB1350490A (en) | 1974-04-18 |
| DE2153296A1 (de) | 1972-04-27 |
| JPS5315037B1 (enExample) | 1978-05-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) |