GB1317517A - Method for rectifying oxygen-containing tetrafluoroethylene - Google Patents

Method for rectifying oxygen-containing tetrafluoroethylene

Info

Publication number
GB1317517A
GB1317517A GB5450671A GB5450671A GB1317517A GB 1317517 A GB1317517 A GB 1317517A GB 5450671 A GB5450671 A GB 5450671A GB 5450671 A GB5450671 A GB 5450671A GB 1317517 A GB1317517 A GB 1317517A
Authority
GB
United Kingdom
Prior art keywords
tetrafluoroethylene
oxygen
terpene
rectification tower
nov
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB5450671A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Daikin Kogyo Co Ltd
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 Daikin Industries Ltd, Daikin Kogyo Co Ltd filed Critical Daikin Industries Ltd
Publication of GB1317517A publication Critical patent/GB1317517A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/38Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB5450671A 1970-11-26 1971-11-24 Method for rectifying oxygen-containing tetrafluoroethylene Expired GB1317517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45104642A JPS4948287B1 (https=) 1970-11-26 1970-11-26

Publications (1)

Publication Number Publication Date
GB1317517A true GB1317517A (en) 1973-05-23

Family

ID=14386091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5450671A Expired GB1317517A (en) 1970-11-26 1971-11-24 Method for rectifying oxygen-containing tetrafluoroethylene

Country Status (3)

Country Link
US (1) US3834996A (https=)
JP (1) JPS4948287B1 (https=)
GB (1) GB1317517A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0727629A3 (en) * 1995-02-16 1997-09-17 Praxair Technology Inc Cryogenic rectification system for the recovery of fluorinated compounds
EP2000452A1 (en) * 2007-05-15 2008-12-10 Daikin Industries, Ltd. Polymerization inhibitor for tetrafluoroethylene
CN101306979B (zh) * 2007-05-15 2013-11-20 大金工业株式会社 四氟乙烯的聚合抑制剂
CN117839274A (zh) * 2023-12-20 2024-04-09 泰兴梅兰新材料有限公司 一种四氟乙烯制备中新型填料除氧塔及其除氧方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270940A (en) * 1979-11-09 1981-06-02 Air Products And Chemicals, Inc. Recovery of C2 hydrocarbons from demethanizer overhead
US4369097A (en) * 1980-08-29 1983-01-18 Asahi Kasei Kogyo Kabushiki Kaisha Method and apparatus of distillation for readily polymerizable liquid
US5049241A (en) * 1990-03-27 1991-09-17 E. I. Du Pont De Nemours And Company Extractive distillation
DE60135096D1 (de) * 2000-02-29 2008-09-11 Daikin Ind Ltd Verfahren zur herstellung von tetrafluorethylen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0727629A3 (en) * 1995-02-16 1997-09-17 Praxair Technology Inc Cryogenic rectification system for the recovery of fluorinated compounds
EP2000452A1 (en) * 2007-05-15 2008-12-10 Daikin Industries, Ltd. Polymerization inhibitor for tetrafluoroethylene
US7807859B2 (en) 2007-05-15 2010-10-05 Daikin Industries, Ltd. Polymerization inhibitor for tetrafluoroethylene
CN101306979B (zh) * 2007-05-15 2013-11-20 大金工业株式会社 四氟乙烯的聚合抑制剂
CN117839274A (zh) * 2023-12-20 2024-04-09 泰兴梅兰新材料有限公司 一种四氟乙烯制备中新型填料除氧塔及其除氧方法

Also Published As

Publication number Publication date
JPS4948287B1 (https=) 1974-12-20
US3834996A (en) 1974-09-10

Similar Documents

Publication Publication Date Title
GB1164532A (en) Purification of Synthetic Alcohol
GB1314806A (en) Process for recovering ethylene oxide
GB1455318A (en) Recovery of acrylonitrile or methacrylonitrile by condensation
GB1317517A (en) Method for rectifying oxygen-containing tetrafluoroethylene
ES462455A1 (es) Un metodo y un aparato para desechar el gas residual radiac-tivo de una mezcla de gas-vapor de agua.
GB2004886A (en) Separation of methacrolein and/or methacrylic acid from a gaseous mixture
ES412890A1 (es) Metodo de recuperar fluor de gases residuales industriales.
ES481587A1 (es) Un procedimiento para la recuperacion de acido acrilico a partir de un efluente gaseoso.
GB995472A (en) Improvements in or relating to acrylic acid production
IE38323L (en) Purification of acrylonitrile
DE3870770D1 (de) Produktion von hochreinem sauerstoff unter erhoehtem abgabedruck mit geringem energieverbrauch.
GB1225892A (https=)
KR900006455B1 (en) Akohol recovery process
GB1129637A (en) Process for separating chlorine from phosgene
FR2312001A1 (fr) Procede d'elimination de co2 des gaz naturels par distillation
GB1174382A (en) A Method for Purifying Hydrofluoric Acid.
GB1238962A (https=)
GB1354949A (en) Process for recovering pure maleic anhydride from crude maleic anhydride
JPS5747471A (en) Distilling method of alcohol
GB1341371A (en) Process for separating formaldehyde from mixtures of acetic acid formaldehyde and water
GB885482A (en) Improvements in or relating to methods and devices for separating components from a gas and/or vapour mixture
KR830001875A (ko) 아크릴로니트릴의 효율적인 회수방법
FR2049656A5 (en) Citraconic acid anhydride recovery after - oxidation of o-xylene
JPS55104245A (en) Purification of crude hydrogen cyanide-containing olefinic unsaturated nitrile
JPS5677249A (en) Recovery of olefinic unsaturated nitrile

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee