IT1151467B - Procedimento per la disidratazione di gas contenenti aldeidi insature - Google Patents
Procedimento per la disidratazione di gas contenenti aldeidi insatureInfo
- Publication number
- IT1151467B IT1151467B IT26798/80A IT2679880A IT1151467B IT 1151467 B IT1151467 B IT 1151467B IT 26798/80 A IT26798/80 A IT 26798/80A IT 2679880 A IT2679880 A IT 2679880A IT 1151467 B IT1151467 B IT 1151467B
- Authority
- IT
- Italy
- Prior art keywords
- unsature
- aldehydes
- dehydration
- procedure
- gases containing
- Prior art date
Links
- 150000001299 aldehydes Chemical class 0.000 title 1
- 230000018044 dehydration Effects 0.000 title 1
- 238000006297 dehydration reaction Methods 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16409879A JPS5687530A (en) | 1979-12-19 | 1979-12-19 | Dehydrating method of gas containing unsaturated aldehyde |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8026798A0 IT8026798A0 (it) | 1980-12-19 |
| IT1151467B true IT1151467B (it) | 1986-12-17 |
Family
ID=15786720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT26798/80A IT1151467B (it) | 1979-12-19 | 1980-12-19 | Procedimento per la disidratazione di gas contenenti aldeidi insature |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4329513A (it) |
| JP (1) | JPS5687530A (it) |
| DE (1) | DE3047485C2 (it) |
| FR (1) | FR2471964A1 (it) |
| GB (1) | GB2065650B (it) |
| IT (1) | IT1151467B (it) |
| SU (1) | SU1442065A3 (it) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991008185A1 (en) * | 1989-12-06 | 1991-06-13 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Process for producing methacrolein and methacrylic acid |
| FR2725918B1 (fr) * | 1994-10-24 | 1996-12-20 | Technip Cie | Procede de sechage d'un gaz mettant en oeuvre la distillation d'un agent dessechant liquide |
| SG71815A1 (en) * | 1997-07-08 | 2000-04-18 | Asahi Chemical Ind | Method of producing methyl methacrylate |
| TW201509901A (zh) | 2013-07-29 | 2015-03-16 | Rohm & Haas | 氧化酯化方法 |
| TW201509522A (zh) | 2013-07-29 | 2015-03-16 | Rohm & Haas | 氧化酯化催化劑 |
| MX389199B (es) | 2014-10-31 | 2025-03-20 | Rohm & Haas | Proceso de esterificación oxidativa para elaboración de metacrilato de metilo. |
| US9963419B2 (en) | 2014-10-31 | 2018-05-08 | Dow Global Technologies Llc | Process for in situ water removal from an oxidative esterification reaction using a coupled reactor-distillation system |
| EP4222136A4 (en) * | 2020-09-30 | 2025-02-26 | Genomium, Inc. | FERMENTATION PROCESS FOR THE PRODUCTION OF BIOACROLEIN AND BIOACRYLIC ACID |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2514966A (en) * | 1948-01-09 | 1950-07-11 | Shell Dev | Refining and concentrating crude unsaturated aldehydes by extractive distillation |
| US2514967A (en) * | 1948-09-17 | 1950-07-11 | Shell Dev | Refining and concentrating crude unsaturated aldehydes |
| US2767216A (en) * | 1955-10-31 | 1956-10-16 | Shell Dev | Drying of acrolein by extractive separation with glycerol |
| DE1160837B (de) * | 1961-11-22 | 1964-01-09 | Ruhrchemie Ag | Verfahren zur Gewinnung von Acrolein bzw. Methacrolein und Nebenprodukten aus den bei der katalytischen Oxydation von Propen bzw. Isobuten mit Sauerstoff enthaltenen Reaktionsprodukten |
| JPS4823409B1 (it) * | 1970-03-04 | 1973-07-13 | ||
| JPS547768B2 (it) * | 1973-01-06 | 1979-04-10 |
-
1979
- 1979-12-19 JP JP16409879A patent/JPS5687530A/ja active Granted
-
1980
- 1980-12-05 US US06/213,703 patent/US4329513A/en not_active Expired - Lifetime
- 1980-12-11 GB GB8039692A patent/GB2065650B/en not_active Expired
- 1980-12-17 SU SU803217952A patent/SU1442065A3/ru active
- 1980-12-17 DE DE3047485A patent/DE3047485C2/de not_active Expired
- 1980-12-18 FR FR8026973A patent/FR2471964A1/fr active Granted
- 1980-12-19 IT IT26798/80A patent/IT1151467B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2471964B1 (it) | 1983-01-28 |
| JPS6212776B2 (it) | 1987-03-20 |
| DE3047485A1 (de) | 1981-09-24 |
| FR2471964A1 (fr) | 1981-06-26 |
| GB2065650A (en) | 1981-07-01 |
| US4329513A (en) | 1982-05-11 |
| DE3047485C2 (de) | 1983-05-26 |
| GB2065650B (en) | 1983-12-21 |
| IT8026798A0 (it) | 1980-12-19 |
| JPS5687530A (en) | 1981-07-16 |
| SU1442065A3 (ru) | 1988-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961227 |