DE2918979C2 - - Google Patents
Info
- Publication number
- DE2918979C2 DE2918979C2 DE2918979A DE2918979A DE2918979C2 DE 2918979 C2 DE2918979 C2 DE 2918979C2 DE 2918979 A DE2918979 A DE 2918979A DE 2918979 A DE2918979 A DE 2918979A DE 2918979 C2 DE2918979 C2 DE 2918979C2
- Authority
- DE
- Germany
- Prior art keywords
- steam
- water
- stage
- aqueous
- stream
- 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
- 229920003169 water-soluble polymer Polymers 0.000 claims description 28
- 150000002825 nitriles Chemical class 0.000 claims description 21
- 239000002351 wastewater Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000012141 concentrate Substances 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 32
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 18
- 229910021529 ammonia Inorganic materials 0.000 description 16
- 239000003054 catalyst Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- -1 heterocyclic nitriles Chemical class 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- ICAIHGOJRDCMHE-UHFFFAOYSA-O ammonium cyanide Chemical compound [NH4+].N#[C-] ICAIHGOJRDCMHE-UHFFFAOYSA-O 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 235000012501 ammonium carbonate Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- YJMNOKOLADGBKA-UHFFFAOYSA-N naphthalene-1-carbonitrile Chemical compound C1=CC=C2C(C#N)=CC=CC2=C1 YJMNOKOLADGBKA-UHFFFAOYSA-N 0.000 description 2
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 description 1
- NWPNXBQSRGKSJB-UHFFFAOYSA-N 2-methylbenzonitrile Chemical compound CC1=CC=CC=C1C#N NWPNXBQSRGKSJB-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 241000158147 Sator Species 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- BHXFKXOIODIUJO-UHFFFAOYSA-N benzene-1,4-dicarbonitrile Chemical compound N#CC1=CC=C(C#N)C=C1 BHXFKXOIODIUJO-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- XQZYPMVTSDWCCE-UHFFFAOYSA-N phthalonitrile Chemical compound N#CC1=CC=CC=C1C#N XQZYPMVTSDWCCE-UHFFFAOYSA-N 0.000 description 1
- 229920006391 phthalonitrile polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- SZUDEHNEMMJTCQ-UHFFFAOYSA-N prop-2-enenitrile;hydrate Chemical compound O.C=CC#N SZUDEHNEMMJTCQ-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/38—Steam distillation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/38—Polymers
-
- 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
- Y10S203/00—Distillation: processes, separatory
- Y10S203/03—Acrylonitrile
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/905,958 US4246417A (en) | 1978-05-15 | 1978-05-15 | Treatment of waste water from nitrile production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2918979A1 DE2918979A1 (de) | 1979-11-22 |
| DE2918979C2 true DE2918979C2 (en, 2012) | 1988-09-08 |
Family
ID=25421739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792918979 Granted DE2918979A1 (de) | 1978-05-15 | 1979-05-11 | Verfahren zur herstellung von nitrilen |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4246417A (en, 2012) |
| DE (1) | DE2918979A1 (en, 2012) |
| GB (1) | GB2021425B (en, 2012) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4342735A (en) * | 1981-04-23 | 1982-08-03 | The Lummus Company | Stripping of aqueous ammonium carbonate solution |
| DE3218478A1 (de) * | 1982-05-15 | 1983-11-17 | Edeleanu Gmbh, 6000 Frankfurt | Verfahren zum abtreiben von loesungsmitteln |
| US4474709A (en) * | 1982-06-28 | 1984-10-02 | E. I. Du Pont De Nemours And Company | Removal of oxazole from acetonitrile |
| US4502997A (en) * | 1983-03-04 | 1985-03-05 | The Lummus Company | Treatment of purge gas |
| US4801356A (en) * | 1987-10-15 | 1989-01-31 | International Fuel Cells Corporation | Removal of ammonia from fuel cell power plant water system |
| RU2196766C2 (ru) * | 1997-08-06 | 2003-01-20 | Дзе Стандарт Ойл Компани | Способ извлечения акрилонитрила или метакрилонитрила |
| FR2772373B1 (fr) * | 1997-12-17 | 2001-05-04 | Inst Francais Du Petrole | Procede d'elimination de composes polaires sur une unite d'etherification |
| DK173837B1 (da) * | 1999-01-15 | 2001-12-10 | Funki Manura As | Fremgangsmåde samt apparat til rensning af spildevand |
| MY143253A (en) * | 2002-08-01 | 2011-04-15 | Gfe Patent As | Method and device for stripping ammonia from liquids |
| EP2082012A1 (en) * | 2006-09-20 | 2009-07-29 | UTC Power Corporation | A contaminant separator and isolation loop for a fuel reactant stream for a fuel cell |
| CN104860465B (zh) * | 2015-05-22 | 2017-01-11 | 江西耐可化工设备填料有限公司 | 一种双塔催化热耦合逆流脱氨方法及其脱氨装置 |
| WO2017011428A1 (en) * | 2015-07-14 | 2017-01-19 | The Chemours Company Fc, Llc | Method for removing nitriles from hydrogen cyanide |
| JP7160591B2 (ja) * | 2018-07-26 | 2022-10-25 | 三菱重工エンジニアリング株式会社 | エネルギガス精製排水の処理装置及びエネルギガス精製排水の処理方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1239460A (en, 2012) * | 1967-11-08 | 1971-07-14 | ||
| CA945932A (en) * | 1970-04-16 | 1974-04-23 | Hsin C. Wu | Recovery and purification of olefinic nitriles |
| US4059492A (en) * | 1970-10-15 | 1977-11-22 | Erdolchemie Gmbh | Process for the purification of waste from acrylonitrile production |
| BE791286A (fr) * | 1971-11-17 | 1973-03-01 | Snam Progetti | Procede de purification d'acrylonitrile |
| DE2552233A1 (de) * | 1975-11-21 | 1977-06-02 | Standard Oil Co Ohio | Verfahren zur abtrennung und reinigung von acrylnitril oder methacrylnitril |
-
1978
- 1978-05-15 US US05/905,958 patent/US4246417A/en not_active Expired - Lifetime
-
1979
- 1979-04-26 GB GB7914575A patent/GB2021425B/en not_active Expired
- 1979-05-11 DE DE19792918979 patent/DE2918979A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2021425A (en) | 1979-12-05 |
| GB2021425B (en) | 1982-08-25 |
| DE2918979A1 (de) | 1979-11-22 |
| US4246417A (en) | 1981-01-20 |
Similar Documents
| Publication | Publication Date | Title |
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| DE2918979C2 (en, 2012) | ||
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| CH649271A5 (de) | Verfahren zur rueckgewinnung von ammoniak aus einer waesserigen ammoniumcarbonat-loesung. | |
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| DE2552233C2 (en, 2012) | ||
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: C07B 43/08 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |