NO138448C - Fremgangsmaate for aa skille isopren fra en blanding ved rektifisering, to-trinns ekstraktiv destillasjon, og flash-destillasjon av loesningsmiddel - Google Patents

Fremgangsmaate for aa skille isopren fra en blanding ved rektifisering, to-trinns ekstraktiv destillasjon, og flash-destillasjon av loesningsmiddel

Info

Publication number
NO138448C
NO138448C NO343/73A NO34373A NO138448C NO 138448 C NO138448 C NO 138448C NO 343/73 A NO343/73 A NO 343/73A NO 34373 A NO34373 A NO 34373A NO 138448 C NO138448 C NO 138448C
Authority
NO
Norway
Prior art keywords
distillation
differentizing
isoprene
rectification
procedures
Prior art date
Application number
NO343/73A
Other languages
English (en)
Other versions
NO138448B (no
Inventor
Carlo Rescalli
Alessandro Ginnasi
Pierluigi Reboar
Original Assignee
Snam Progetti
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Snam Progetti filed Critical Snam Progetti
Publication of NO138448B publication Critical patent/NO138448B/no
Publication of NO138448C publication Critical patent/NO138448C/no

Links

Classifications

    • 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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
NO343/73A 1972-01-28 1973-01-26 Fremgangsmaate for aa skille isopren fra en blanding ved rektifisering, to-trinns ekstraktiv destillasjon, og flash-destillasjon av loesningsmiddel NO138448C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19885/72A IT946986B (no) 1972-01-28 1972-01-28

Publications (2)

Publication Number Publication Date
NO138448B NO138448B (no) 1978-05-29
NO138448C true NO138448C (no) 1978-09-06

Family

ID=11162057

Family Applications (1)

Application Number Title Priority Date Filing Date
NO343/73A NO138448C (no) 1972-01-28 1973-01-26 Fremgangsmaate for aa skille isopren fra en blanding ved rektifisering, to-trinns ekstraktiv destillasjon, og flash-destillasjon av loesningsmiddel

Country Status (32)

Country Link
US (1) US3851010A (no)
JP (2) JPS558969B2 (no)
AR (1) AR197975A1 (no)
AT (1) AT326090B (no)
AU (1) AU474928B2 (no)
BE (1) BE794552A (no)
BG (2) BG25643A3 (no)
BR (1) BR7300646D0 (no)
CA (1) CA1000644A (no)
CH (1) CH560656A5 (no)
CS (1) CS171744B2 (no)
DD (1) DD101662A5 (no)
DK (1) DK138845B (no)
EG (1) EG10798A (no)
ES (1) ES411298A1 (no)
FR (1) FR2169226B1 (no)
GB (1) GB1417733A (no)
HU (1) HU167370B (no)
IE (1) IE38687B1 (no)
IN (1) IN140240B (no)
IT (1) IT946986B (no)
LU (1) LU66905A1 (no)
NL (1) NL174541C (no)
NO (1) NO138448C (no)
PH (1) PH11742A (no)
RO (2) RO64406A (no)
SE (1) SE397083B (no)
SU (1) SU623514A3 (no)
TR (1) TR18234A (no)
YU (1) YU35562B (no)
ZA (1) ZA73386B (no)
ZM (1) ZM1273A1 (no)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6021125B2 (ja) * 1976-12-20 1985-05-25 ジェイエスアール株式会社 イソプレンの精製法
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
US4134795A (en) * 1978-04-05 1979-01-16 The Goodyear Tire & Rubber Company Acetylenes removal from diolefin streams by extractive distillation
DE2911395C2 (de) * 1979-03-23 1985-03-14 Basf Ag, 6700 Ludwigshafen Verfahren zur Gewinnung eines konjugierten Diolefins aus einem C↓4↓- oder C↓5↓-Kohlenwasserstoffgemisch
CA1146978A (en) * 1979-07-18 1983-05-24 Henricus S.A. Douwes Process for the recovery of isoprene, and isoprene so recovered
JPS5828882U (ja) * 1981-08-20 1983-02-24 日本電産コパル株式会社 表示装置ユニツト
EP0130244A1 (en) * 1983-06-29 1985-01-09 The C.W. Nofsinger Company Extractive distillation process for the purification of diolefins
DE3338269A1 (de) * 1983-10-21 1985-05-02 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von isopren aus einem c(pfeil abwaerts)5(pfeil abwaerts)-kohlenwasserstoffgemisch
JPS617283U (ja) * 1984-06-18 1986-01-17 住友電気工業株式会社 リニアモ−タ用リアクシヨンプレ−ト
US4629533A (en) * 1985-01-31 1986-12-16 Phillips Petroleum Company Isolation of 3-methyl-1-butene from a hydrocarbon stream
US4570029A (en) * 1985-03-04 1986-02-11 Uop Inc. Process for separating isoprene
CN1053881C (zh) * 1996-03-20 2000-06-28 中国石油化工总公司 一种裂解碳五馏份的分离方法
KR100458361B1 (ko) * 2001-09-25 2004-11-26 한국과학기술연구원 추출증류에 의하여 ｃ5 유분에서 이소프렌을 분리하는 방법
WO2016097999A1 (en) 2014-12-18 2016-06-23 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
US10919827B2 (en) * 2017-08-11 2021-02-16 Basf Se Process for recovering 3-methylbut-3-en-1-ol
CN111320520B (zh) * 2018-12-14 2024-01-23 中国石油化工股份有限公司 一种用于丁二烯分离的萃取精馏塔和分离方法
CN115177964A (zh) * 2022-06-10 2022-10-14 武汉北湖云峰环保科技有限公司 一种废有机溶剂乙腈的再生装置及其工艺
CN115611698B (zh) * 2022-12-01 2023-03-17 淄博鲁华同方化工有限公司 一种dmf法萃取分离异戊二烯的工艺

Also Published As

Publication number Publication date
RO64566A (fr) 1979-02-15
JPS558969B2 (no) 1980-03-07
RO64406A (fr) 1979-07-15
YU35562B (en) 1981-04-30
ATA76573A (de) 1975-02-15
SU623514A3 (ru) 1978-09-05
IE38687B1 (en) 1978-05-10
JPS5510572B2 (no) 1980-03-17
AU5121373A (en) 1974-07-18
BE794552A (fr) 1973-05-16
AU474928B2 (en) 1976-08-05
FR2169226B1 (no) 1975-10-31
FR2169226A1 (no) 1973-09-07
JPS5436204A (en) 1979-03-16
SE397083B (sv) 1977-10-17
CA1000644A (en) 1976-11-30
ZM1273A1 (en) 1973-10-22
DE2303863B2 (de) 1976-11-04
CS171744B2 (no) 1976-10-29
NL174541C (nl) 1984-07-02
IT946986B (no) 1973-05-21
IE38687L (en) 1973-07-28
BG26664A4 (no) 1979-05-15
ZA73386B (en) 1973-10-31
DE2303863A1 (de) 1973-08-09
HU167370B (no) 1975-09-27
GB1417733A (en) 1975-12-17
CH560656A5 (no) 1975-04-15
DK138845C (no) 1979-04-17
ES411298A1 (es) 1975-12-01
LU66905A1 (no) 1973-03-26
BG25643A3 (no) 1978-11-10
PH11742A (en) 1978-05-30
TR18234A (tr) 1976-11-05
BR7300646D0 (pt) 1973-09-13
JPS4885509A (no) 1973-11-13
NL174541B (nl) 1984-02-01
EG10798A (en) 1976-05-31
DK138845B (da) 1978-11-06
IN140240B (no) 1976-10-02
NO138448B (no) 1978-05-29
AR197975A1 (es) 1974-05-24
YU17973A (en) 1980-09-25
DD101662A5 (no) 1973-11-12
US3851010A (en) 1974-11-26
AT326090B (de) 1975-11-25
NL7301254A (no) 1973-07-31

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