RO83407B - Procedeu pentru recuperarea sulfatului de amoniu din produsul secundar lichid rezultat la calirea efluentului gazos fierbinte de la reactorul de amo0idare a propilenei sau izobutilenei la acrilonitrilsau metacrilonitril - Google Patents
Procedeu pentru recuperarea sulfatului de amoniu din produsul secundar lichid rezultat la calirea efluentului gazos fierbinte de la reactorul de amo0idare a propilenei sau izobutilenei la acrilonitrilsau metacrilonitrilInfo
- Publication number
- RO83407B RO83407B RO106211A RO10621181A RO83407B RO 83407 B RO83407 B RO 83407B RO 106211 A RO106211 A RO 106211A RO 10621181 A RO10621181 A RO 10621181A RO 83407 B RO83407 B RO 83407B
- Authority
- RO
- Romania
- Prior art keywords
- weight
- ammonium sulfate
- water
- liquid
- isobutylene
- Prior art date
Links
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 title abstract 7
- 229910052921 ammonium sulfate Inorganic materials 0.000 title abstract 6
- 235000011130 ammonium sulphate Nutrition 0.000 title abstract 6
- 239000007788 liquid Substances 0.000 title abstract 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title abstract 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 title abstract 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 title abstract 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 title abstract 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 title abstract 2
- 239000001166 ammonium sulphate Substances 0.000 title 1
- 238000010791 quenching Methods 0.000 title 1
- 230000000171 quenching effect Effects 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 abstract 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- 239000011368 organic material Substances 0.000 abstract 4
- 238000000605 extraction Methods 0.000 abstract 3
- 239000005416 organic matter Substances 0.000 abstract 3
- 239000008346 aqueous phase Substances 0.000 abstract 2
- 239000006227 byproduct Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000012074 organic phase Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
-
- 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
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/908—Organic
-
- 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
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/908—Organic
- Y10S210/909—Aromatic compound, e.g. pcb, phenol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Procedeul pentru recuperarea sulfatului de amoniu din produsul secundar lichid rezultat la c[lirea efluentului gazos fierbinte de la reactorul de amoxidare a propilenei sau izobutilenei, la acrilonitril sau metacrilonitril, conform inventiei, consta în aceea ca produsul secundar lichid, continînd în mod tipic 10% în greutate sulfat de amoniu, 16% în greutate materii organice grele, o mica cantitate de materii organice usoare si 74% în greutate apa, se supune în prealabil unei concentrari, prin îndepartarea apei si a materiilor organice usoare, pîna la o concentratie de cel putin 30% sulfat de amoniu, de preferinta 85...98% fata de limita de saturatie, dupa care produsul secundar lichid astfel concentrat este supus unor operatiuni succesivedeextractie a materiilor organice grele, folosindu-se acetonitril ca agent de extractie, în fiecare etapa de extractie rezultînd o faza organica continînd materii organice grele dizolvate în acetonitril si o faza apoasa continînd sulfat de amoniu dizolvat în apa si, în final, dupa separarea de materiile organice grele dizolvate în acetonitril, din faza apoasa constînd din aproximativ 1% în greutate materii organice grele si din 99% în greutate lichid compus din aproximativ 52% în greutate apa si48% în greutate sulfat de amoniu, se îndeparteaza apa cu formarea de sulfat de amoniu cristalizat.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/222,190 US4341535A (en) | 1981-01-02 | 1981-01-02 | Ammonium sulfate recovery process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO83407A RO83407A (ro) | 1984-05-12 |
| RO83407B true RO83407B (ro) | 1984-06-30 |
Family
ID=22831257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO106211A RO83407B (ro) | 1981-01-02 | 1981-12-30 | Procedeu pentru recuperarea sulfatului de amoniu din produsul secundar lichid rezultat la calirea efluentului gazos fierbinte de la reactorul de amo0idare a propilenei sau izobutilenei la acrilonitrilsau metacrilonitril |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4341535A (ro) |
| EP (1) | EP0055921A3 (ro) |
| BR (1) | BR8108532A (ro) |
| ES (1) | ES508433A0 (ro) |
| RO (1) | RO83407B (ro) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6197855B1 (en) | 1998-09-29 | 2001-03-06 | Solutia Inc. | Nucleation of Polyamides in the presence of hypophosphite |
| KR20070038559A (ko) * | 2004-07-22 | 2007-04-10 | 이네오스 유에스에이 엘엘씨 | 증기 스트림으로부터 암모니아를 회수 및 재생하기 위한개량된 공정 |
| CN104941380A (zh) | 2014-03-31 | 2015-09-30 | 英尼奥斯欧洲股份公司 | 用于淬冷流出物的改进的烟雾消除器操作 |
| CN104941419A (zh) | 2014-03-31 | 2015-09-30 | 英尼奥斯欧洲股份公司 | 反应器流出物的改进的氨移除 |
| CN109499085A (zh) | 2014-06-11 | 2019-03-22 | 英尼奥斯欧洲股份公司 | 丙烯腈回收的乙腈移除步骤中的污染减轻 |
| CN104587818B (zh) * | 2014-09-30 | 2017-01-04 | 英尼奥斯欧洲股份公司 | 骤冷塔操作和底物处理 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3134726A (en) * | 1961-06-26 | 1964-05-26 | Exxon Research Engineering Co | Propylene purification process |
| US3149055A (en) * | 1962-08-22 | 1964-09-15 | Standard Oil Co | Purification of olefinically unsaturated nitriles |
| AT270685B (de) * | 1967-05-22 | 1969-05-12 | Chemie Linz Ag | Verfahren zur Gewinnung von reinem kristallisiertem Ammonsulfat |
| NL162349C (nl) * | 1968-02-08 | 1980-05-16 | Stamicarbon | Werkwijze voor het winnen van ammoniumsulfaat uit een met organische stoffen verontreinigde waterige oplossing. |
| US4015946A (en) * | 1968-02-08 | 1977-04-05 | Stamicarbon N.V. | Process for recovering ammonium sulphate from aqueous solutions of ammonium sulphate which contain organic compounds |
| US3661723A (en) * | 1969-05-26 | 1972-05-09 | Standard Oil Co Ohio | Process for recovering of acrylonitrile and hydrocyanic acid by addition of acetonitrile to the aqueous acid neutralized effluent |
| US3876508A (en) * | 1969-06-11 | 1975-04-08 | Stamicarbon | Distillation of acrylonitrile from aqueous solutions maintained at about ph3 |
| US3607136A (en) * | 1969-08-15 | 1971-09-21 | Du Pont | Recovery of ammonium sulfate |
| US3734943A (en) * | 1971-05-06 | 1973-05-22 | Standard Oil Co | Deep well disposal process for acrylonitrile process waste water |
| US3895050A (en) * | 1971-08-02 | 1975-07-15 | Badger Co | Disposal of waste materials from unsaturated nitrile |
| BE791286A (fr) * | 1971-11-17 | 1973-03-01 | Snam Progetti | Procede de purification d'acrylonitrile |
| US4234510A (en) * | 1973-06-07 | 1980-11-18 | Standard Oil Company | Recovery of acrylonitrile or methacrylonitrile by condensation |
| US3885928A (en) * | 1973-06-18 | 1975-05-27 | Standard Oil Co Ohio | Acrylonitrile and methacrylonitrile recovery and purification system |
| SU787365A1 (ru) * | 1978-05-24 | 1980-12-15 | Предприятие П/Я Г-4647 | Способ выделени сульфата аммони из водных растворов |
-
1981
- 1981-01-02 US US06/222,190 patent/US4341535A/en not_active Expired - Fee Related
- 1981-12-23 EP EP81306096A patent/EP0055921A3/en not_active Withdrawn
- 1981-12-30 BR BR8108532A patent/BR8108532A/pt unknown
- 1981-12-30 ES ES508433A patent/ES508433A0/es active Granted
- 1981-12-30 RO RO106211A patent/RO83407B/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0055921A2 (en) | 1982-07-14 |
| BR8108532A (pt) | 1982-10-19 |
| US4341535A (en) | 1982-07-27 |
| ES8301194A1 (es) | 1982-11-16 |
| EP0055921A3 (en) | 1982-08-04 |
| RO83407A (ro) | 1984-05-12 |
| ES508433A0 (es) | 1982-11-16 |
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