BE895419A - Procede et appareillage pour inhiber la formation de composes vinylaromatiques polymerises, au cours de la purification par distillation de monomeres vinylaromatiques - Google Patents

Procede et appareillage pour inhiber la formation de composes vinylaromatiques polymerises, au cours de la purification par distillation de monomeres vinylaromatiques

Info

Publication number
BE895419A
BE895419A BE0/209774A BE209774A BE895419A BE 895419 A BE895419 A BE 895419A BE 0/209774 A BE0/209774 A BE 0/209774A BE 209774 A BE209774 A BE 209774A BE 895419 A BE895419 A BE 895419A
Authority
BE
Belgium
Prior art keywords
vinylaromatic
inhibiting
formation
compounds during
polymerized
Prior art date
Application number
BE0/209774A
Other languages
English (en)
Inventor
D Kendall
J Watson
D Wright
Original Assignee
Cosden Technology
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 Cosden Technology filed Critical Cosden Technology
Publication of BE895419A publication Critical patent/BE895419A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE0/209774A 1981-12-23 1982-12-21 Procede et appareillage pour inhiber la formation de composes vinylaromatiques polymerises, au cours de la purification par distillation de monomeres vinylaromatiques BE895419A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/333,604 US4379736A (en) 1981-12-23 1981-12-23 Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer

Publications (1)

Publication Number Publication Date
BE895419A true BE895419A (fr) 1983-04-15

Family

ID=23303500

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/209774A BE895419A (fr) 1981-12-23 1982-12-21 Procede et appareillage pour inhiber la formation de composes vinylaromatiques polymerises, au cours de la purification par distillation de monomeres vinylaromatiques

Country Status (10)

Country Link
US (1) US4379736A (fr)
JP (1) JPS58110526A (fr)
AU (1) AU549412B2 (fr)
BE (1) BE895419A (fr)
CA (1) CA1178919A (fr)
DE (1) DE3247813A1 (fr)
FR (1) FR2518533B1 (fr)
GB (1) GB2111842B (fr)
IT (1) IT1155445B (fr)
NL (1) NL8204795A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539776A1 (de) * 1985-11-09 1987-05-21 Basf Ag Verfahren zur destillation vinylaromatischer verbindungen
JPH08259488A (ja) * 1995-03-23 1996-10-08 Mitsubishi Chem Corp 反応生成ガスの採取方法
DE19530291A1 (de) * 1995-08-17 1997-02-20 Basf Ag Vorrichtung und Verfahren zum Stoffaustausch in Bodenkolonnen
JP4109784B2 (ja) 1999-03-09 2008-07-02 株式会社日本触媒 蒸気分散装置を有する精製装置
US6565071B2 (en) * 2001-10-11 2003-05-20 Amt International, Inc. Liquid/gas contacting apparatus
US7128813B2 (en) * 2002-05-01 2006-10-31 Rohm And Haas Company Process for manufacturing high purity methacrylic acid
CA2857821C (fr) * 2012-01-25 2015-09-08 Asahi Kasei Chemicals Corporation Methode de separation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2399340A (en) * 1942-07-16 1946-04-30 United Gas Improvement Co Distillation of aromatic olefins
US2888386A (en) * 1956-02-02 1959-05-26 Dow Chemical Co Method of distilling vinyltoluene
US2978387A (en) * 1958-02-25 1961-04-04 Phillips Petroleum Co Method of stripping unreacted monomer using silicone coated apparatus
JPS4915153B1 (fr) * 1969-06-06 1974-04-12
US3988213A (en) * 1972-09-25 1976-10-26 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method of distilling vinyl compounds
US4118285A (en) * 1975-04-29 1978-10-03 Villanova University Separation of liquid mixtures
FI59730C (fi) * 1977-10-14 1981-10-12 Alko Ab Oy Laettskoett klockbottenkolonn foer destillering av grumliga och tilltaeppande vaetskor
US4177110A (en) * 1978-07-18 1979-12-04 Cosden Technology, Inc. Method for the distillation of vinyl aromatic compounds using polymerization inhibitors with low-volatility
GB2059285B (en) * 1979-10-03 1983-04-20 Shafranovsky A V Counter-current gas-liquid contact paratus

Also Published As

Publication number Publication date
DE3247813A1 (de) 1983-06-30
CA1178919A (fr) 1984-12-04
AU9003782A (en) 1983-06-30
FR2518533B1 (fr) 1986-10-24
NL8204795A (nl) 1983-07-18
JPH0249291B2 (fr) 1990-10-29
US4379736A (en) 1983-04-12
AU549412B2 (en) 1986-01-23
FR2518533A1 (fr) 1983-06-24
JPS58110526A (ja) 1983-07-01
IT8224937A0 (it) 1982-12-23
GB2111842B (en) 1985-05-22
GB2111842A (en) 1983-07-13
IT1155445B (it) 1987-01-28

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: *COSDEN TECHNOLOGY INC.

Effective date: 20021221