IT8224937A0 - Metodo ed apparecchio per inibire la formazione di composti vinilaromatici polimerizzati durante la purificazione distillativa di un monomero vinilaromatico. - Google Patents

Metodo ed apparecchio per inibire la formazione di composti vinilaromatici polimerizzati durante la purificazione distillativa di un monomero vinilaromatico.

Info

Publication number
IT8224937A0
IT8224937A0 IT8224937A IT2493782A IT8224937A0 IT 8224937 A0 IT8224937 A0 IT 8224937A0 IT 8224937 A IT8224937 A IT 8224937A IT 2493782 A IT2493782 A IT 2493782A IT 8224937 A0 IT8224937 A0 IT 8224937A0
Authority
IT
Italy
Prior art keywords
vinylaromatic
inhibiting
formation
compounds during
polymerized
Prior art date
Application number
IT8224937A
Other languages
English (en)
Other versions
IT1155445B (it
Inventor
Debra L Kendall
James M Watson
Danny P 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 IT8224937A0 publication Critical patent/IT8224937A0/it
Application granted granted Critical
Publication of IT1155445B publication Critical patent/IT1155445B/it

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT24937/82A 1981-12-23 1982-12-23 Metodo ed apparecchio per inibire la formazione di composti vinilaromatici polimerizzati durante la purificazione distillativa di un monomero vinilaromatico IT1155445B (it)

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 (2)

Publication Number Publication Date
IT8224937A0 true IT8224937A0 (it) 1982-12-23
IT1155445B IT1155445B (it) 1987-01-28

Family

ID=23303500

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24937/82A IT1155445B (it) 1981-12-23 1982-12-23 Metodo ed apparecchio per inibire la formazione di composti vinilaromatici polimerizzati durante la purificazione distillativa di un monomero vinilaromatico

Country Status (10)

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

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
TWI254648B (en) * 2002-05-01 2006-05-11 Rohm & Haas Process for manufacturing high purity methacrylic acid
EP2641896B1 (en) * 2012-01-25 2020-10-14 Asahi Kasei Kabushiki Kaisha Separation method

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 (it) * 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
NL8204795A (nl) 1983-07-18
FR2518533A1 (fr) 1983-06-24
AU9003782A (en) 1983-06-30
IT1155445B (it) 1987-01-28
JPS58110526A (ja) 1983-07-01
BE895419A (fr) 1983-04-15
FR2518533B1 (fr) 1986-10-24
JPH0249291B2 (it) 1990-10-29
US4379736A (en) 1983-04-12
GB2111842B (en) 1985-05-22
AU549412B2 (en) 1986-01-23
GB2111842A (en) 1983-07-13
DE3247813A1 (de) 1983-06-30
CA1178919A (en) 1984-12-04

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