BG26664A4 - - Google Patents

Info

Publication number
BG26664A4
BG26664A4 BG7332612A BG3261273A BG26664A4 BG 26664 A4 BG26664 A4 BG 26664A4 BG 7332612 A BG7332612 A BG 7332612A BG 3261273 A BG3261273 A BG 3261273A BG 26664 A4 BG26664 A4 BG 26664A4
Authority
BG
Bulgaria
Application number
BG7332612A
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 filed Critical
Publication of BG26664A4 publication Critical patent/BG26664A4/xx

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)
BG7332612A 1972-01-28 1973-01-29 BG26664A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19885/72A IT946986B (fr) 1972-01-28 1972-01-28

Publications (1)

Publication Number Publication Date
BG26664A4 true BG26664A4 (fr) 1979-05-15

Family

ID=11162057

Family Applications (3)

Application Number Title Priority Date Filing Date
BG7332612A BG26664A4 (fr) 1972-01-28 1973-01-29
BG022561A BG25643A3 (bg) 1972-01-28 1973-01-29 Метод за извличане на изопрен от смеси,които го съдържат
BG032612A BG26664A3 (bg) 1972-01-28 1976-03-15 Метод за отделяне на щопрен от смеси,които ги съдържат

Family Applications After (2)

Application Number Title Priority Date Filing Date
BG022561A BG25643A3 (bg) 1972-01-28 1973-01-29 Метод за извличане на изопрен от смеси,които го съдържат
BG032612A BG26664A3 (bg) 1972-01-28 1976-03-15 Метод за отделяне на щопрен от смеси,които ги съдържат

Country Status (32)

Country Link
US (1) US3851010A (fr)
JP (2) JPS558969B2 (fr)
AR (1) AR197975A1 (fr)
AT (1) AT326090B (fr)
AU (1) AU474928B2 (fr)
BE (1) BE794552A (fr)
BG (3) BG26664A4 (fr)
BR (1) BR7300646D0 (fr)
CA (1) CA1000644A (fr)
CH (1) CH560656A5 (fr)
CS (1) CS171744B2 (fr)
DD (1) DD101662A5 (fr)
DK (1) DK138845B (fr)
EG (1) EG10798A (fr)
ES (1) ES411298A1 (fr)
FR (1) FR2169226B1 (fr)
GB (1) GB1417733A (fr)
HU (1) HU167370B (fr)
IE (1) IE38687B1 (fr)
IN (1) IN140240B (fr)
IT (1) IT946986B (fr)
LU (1) LU66905A1 (fr)
NL (1) NL174541C (fr)
NO (1) NO138448C (fr)
PH (1) PH11742A (fr)
RO (2) RO64406A (fr)
SE (1) SE397083B (fr)
SU (1) SU623514A3 (fr)
TR (1) TR18234A (fr)
YU (1) YU35562B (fr)
ZA (1) ZA73386B (fr)
ZM (1) ZM1273A1 (fr)

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 (fr) * 1979-07-18 1983-05-24 Henricus S.A. Douwes Methode de separation de l'isoprene, et produit ainsi obtenu
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 (fr) * 1983-06-29 1985-01-09 The C.W. Nofsinger Company Procédé de distillation extractive pour la purification de dioléfines
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
US10065907B2 (en) 2014-12-18 2018-09-04 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
ES2962447T3 (es) * 2017-08-11 2024-03-19 Basf Se Proceso de recuperación de 3-metilbut-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
NO138448B (no) 1978-05-29
CH560656A5 (fr) 1975-04-15
SU623514A3 (ru) 1978-09-05
EG10798A (en) 1976-05-31
IE38687L (en) 1973-07-28
US3851010A (en) 1974-11-26
ES411298A1 (es) 1975-12-01
RO64566A (fr) 1979-02-15
ZM1273A1 (en) 1973-10-22
DD101662A5 (fr) 1973-11-12
DK138845B (da) 1978-11-06
CS171744B2 (fr) 1976-10-29
IN140240B (fr) 1976-10-02
PH11742A (en) 1978-05-30
ATA76573A (de) 1975-02-15
NL174541B (nl) 1984-02-01
JPS558969B2 (fr) 1980-03-07
NO138448C (no) 1978-09-06
HU167370B (fr) 1975-09-27
BG26664A3 (bg) 1979-05-15
DE2303863A1 (de) 1973-08-09
NL7301254A (fr) 1973-07-31
TR18234A (tr) 1976-11-05
SE397083B (sv) 1977-10-17
FR2169226B1 (fr) 1975-10-31
CA1000644A (en) 1976-11-30
JPS5510572B2 (fr) 1980-03-17
JPS4885509A (fr) 1973-11-13
IE38687B1 (en) 1978-05-10
DK138845C (fr) 1979-04-17
ZA73386B (en) 1973-10-31
IT946986B (fr) 1973-05-21
DE2303863B2 (de) 1976-11-04
FR2169226A1 (fr) 1973-09-07
NL174541C (nl) 1984-07-02
YU35562B (en) 1981-04-30
GB1417733A (en) 1975-12-17
AU5121373A (en) 1974-07-18
LU66905A1 (fr) 1973-03-26
BR7300646D0 (pt) 1973-09-13
AR197975A1 (es) 1974-05-24
AU474928B2 (en) 1976-08-05
JPS5436204A (en) 1979-03-16
RO64406A (fr) 1979-07-15
BE794552A (fr) 1973-05-16
YU17973A (en) 1980-09-25
BG25643A3 (bg) 1978-11-10
AT326090B (de) 1975-11-25

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