BE672305A - - Google Patents
Info
- Publication number
- BE672305A BE672305A BE672305DA BE672305A BE 672305 A BE672305 A BE 672305A BE 672305D A BE672305D A BE 672305DA BE 672305 A BE672305 A BE 672305A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US195710A US3230157A (en) | 1962-05-18 | 1962-05-18 | Isoprene purification process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE672305A true BE672305A (fi) |
Family
ID=22722460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE672305D BE672305A (fi) | 1962-05-18 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3230157A (fi) |
| BE (1) | BE672305A (fi) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1211738B (de) * | 1962-12-22 | 1966-03-03 | Erdoelchemie Gmbh | Verfahren zur Trennung von C-Kohlenwasserstoffgemischen, die paraffinische, monoolefinische und diolefinische C-Kohlen-wasserstoffe enthalten |
| DE1248202B (de) * | 1963-08-28 | 1967-08-24 | Bayer Ag | Verfahren zur Reinigung von selektiven Loesungsmitteln |
| GB983783A (en) * | 1963-10-25 | 1965-02-17 | Shell Int Research | Process for the removal of alkynes from hydrocarbon mixtures containing alkadienes |
| US3328479A (en) * | 1965-10-04 | 1967-06-27 | Mobil Oil Corp | Purifying diolefins by selective hydrogenation and distillation |
| GB1137268A (en) * | 1965-11-17 | 1968-12-18 | Japan Gas Chemical Co | Process for recovering highly pure isoprene |
| SE353078B (fi) * | 1965-12-30 | 1973-01-22 | Japanese Geon Co Ltd | |
| US3439060A (en) * | 1966-06-21 | 1969-04-15 | Goodyear Tire & Rubber | Selective removal of cyclopentadiene from a mixture containing at least one other hydrocarbon |
| US3436436A (en) * | 1966-09-20 | 1969-04-01 | Nippon Zeon Co | Method for separation of conjugated diolefin by back wash in extractive distillation |
| US3492366A (en) * | 1967-03-17 | 1970-01-27 | Goodyear Tire & Rubber | Removal of trace amounts of cyclopentadiene from isoprene by fluidbed adsorbent |
| DE1668015A1 (de) * | 1967-09-05 | 1971-07-15 | Bayer Ag | Verfahren zur Gewinnung von Isopren aus im wesentlichen paraffin- und olefinfreien C5-Fraktionen |
| DE1668017A1 (de) * | 1967-09-06 | 1971-07-22 | Bayer Ag | Verfahren zur Rein-Darstellung von Isopren |
| US3496069A (en) * | 1967-11-09 | 1970-02-17 | Petro Tex Chem Corp | Purification of unsaturated hydrocarbons by extractive distillation with recycle of stripper overhead |
| US4140587A (en) * | 1969-07-18 | 1979-02-20 | Snamprogetti, S.P.A. | Process for the separation of diolefins from mixtures containing the same |
| AU468106B2 (en) * | 1970-12-29 | 1976-01-08 | Snamprogetti S.P.A. | Process forthe recovery of isophrene from mixtures containing thesame |
| BE787944A (fr) * | 1971-08-26 | 1973-02-26 | Shell Int Research | Procede de recuperation d'isoprene |
| AR204413A1 (es) * | 1974-04-03 | 1976-02-06 | Goodyear Tire & Rubber | Metodo para recuperar isopreno |
| US4054613A (en) * | 1975-10-20 | 1977-10-18 | Phillips Petroleum Company | Butadiene production and purification |
| US4128457A (en) * | 1977-03-09 | 1978-12-05 | Societa' Italiana Resine S.I.R. S.P.A. | Process for the separation of butadiene by plural stage extractive distillation |
| JPS56128724A (en) * | 1980-03-15 | 1981-10-08 | Japan Synthetic Rubber Co Ltd | Purification of butadiene or isoprene |
| CN101798255B (zh) * | 2009-02-11 | 2013-04-24 | 中国石油天然气股份有限公司 | 一种乙腈分离石油裂解碳五馏分中双烯烃的方法 |
| US20110178349A1 (en) * | 2010-01-20 | 2011-07-21 | Anzick Robert Kenneth | Method of treating a hydrocarbon stream comprising cyclopentadiene and one or more diolefins |
| EP3233772B1 (en) * | 2014-12-18 | 2021-04-21 | SABIC Global Technologies B.V. | Isoprene extraction with preserved c5 feedstock |
| US10836691B2 (en) * | 2015-09-22 | 2020-11-17 | Fina Technology, Inc. | Upgrading a C5 olefin stream |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2426705A (en) * | 1942-12-29 | 1947-09-02 | Standard Oil Dev Co | Recovery of isoprene by fractionation and extractive distillation |
| US2459403A (en) * | 1944-07-20 | 1949-01-18 | Standard Oil Dev Co | Segregation of c5 hydrocarbons by extractive and azeotropic distillation |
| US2534013A (en) * | 1945-06-28 | 1950-12-12 | Standard Oil Dev Co | Distilling polymer-forming hydrocarbons and removing polymer from distillation equipment |
| US2971036A (en) * | 1958-09-17 | 1961-02-07 | Exxon Research Engineering Co | Recovery of isoprene by fractionation and extractive distillation |
| US3012947A (en) * | 1959-06-15 | 1961-12-12 | Exxon Research Engineering Co | Recovery of high purity isoprene from light steam cracked distillate |
| US3059037A (en) * | 1959-09-01 | 1962-10-16 | Exxon Research Engineering Co | Extractive distillation process |
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0
- BE BE672305D patent/BE672305A/xx unknown
-
1962
- 1962-05-18 US US195710A patent/US3230157A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3230157A (en) | 1966-01-18 |