IN2014DN01814A - - Google Patents

Info

Publication number
IN2014DN01814A
IN2014DN01814A IN1814DEN2014A IN2014DN01814A IN 2014DN01814 A IN2014DN01814 A IN 2014DN01814A IN 1814DEN2014 A IN1814DEN2014 A IN 1814DEN2014A IN 2014DN01814 A IN2014DN01814 A IN 2014DN01814A
Authority
IN
India
Prior art keywords
concentration
remove
disclosed
forming
solution
Prior art date
Application number
Inventor
Yuon Chiu
Richard Durick Horwath
Stephen A Cottrell
Original Assignee
Honeywell Int Inc
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 Honeywell Int Inc filed Critical Honeywell Int Inc
Publication of IN2014DN01814A publication Critical patent/IN2014DN01814A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Gas Separation By Absorption (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

Disclosed are methods used to remove HF from a fluorocarbon containing stream thereby forming a final aqueous HF solution having both a high HF concentration and low dissolved organic content.
IN1814DEN2014 2011-09-26 2012-09-20 IN2014DN01814A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/245,394 US9309116B2 (en) 2011-09-26 2011-09-26 Method for producing high concentration aqueous HF solutions
PCT/US2012/056269 WO2013048859A2 (en) 2011-09-26 2012-09-20 Method for producing high concentration aqueous hf solutions

Publications (1)

Publication Number Publication Date
IN2014DN01814A true IN2014DN01814A (en) 2015-05-15

Family

ID=47911510

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1814DEN2014 IN2014DN01814A (en) 2011-09-26 2012-09-20

Country Status (7)

Country Link
US (1) US9309116B2 (en)
EP (1) EP2760784A4 (en)
JP (2) JP6193864B2 (en)
CN (2) CN103813979A (en)
IN (1) IN2014DN01814A (en)
MX (1) MX341931B (en)
WO (1) WO2013048859A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388276A (en) * 2016-05-14 2017-11-24 江西理文化工有限公司 A kind of waste heat recovery and Application way

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB949194A (en) 1960-11-10 1964-02-12 Atomic Energy Authority Uk Improvements in or relating to the recovery of hydrogen fluoride
DE1567494B2 (en) 1962-08-16 1972-02-24 Farbwerke Höchst AG, vormals Meister Lucius & Brüning, 6000 Frankfurt PROCESS FOR THE RECOVERY OR REMOVAL OF HYDROGEN FLUOROUS GAS MIXTURES
US3873629A (en) 1974-01-23 1975-03-25 Du Pont Separation of chlorodifluoromethane and hydrogen
US4147756A (en) 1976-04-09 1979-04-03 Envirotech Corporation Combustion gas scrubbing system
EP0098341B1 (en) * 1982-06-08 1986-04-16 Pennwalt Corporation Anhydrous phase separation for recovering hydrogen fluoride from a fluorination reaction
IL86015A0 (en) 1987-04-10 1988-09-30 Int Minerals & Chem Corp Method of recovering ammonia and hydrogen fluoride from ammonium fluoride solutions
US4806233A (en) 1987-08-28 1989-02-21 Uop Inc. Method of separating a hot hydrocarbonaceous stream
US5900044A (en) 1987-09-11 1999-05-04 E. I. Du Pont De Nemours And Company Organic separation from HF
JPH0532568A (en) * 1991-07-31 1993-02-09 Daikin Ind Ltd Method for removing hydrogen fluoride from a mixture of hydrogen fluoride and dichlorofluoromethane
US5196616A (en) * 1991-10-18 1993-03-23 E. I. Du Pont De Nemours And Company Process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
JP3171685B2 (en) * 1992-02-04 2001-05-28 昭和電工株式会社 Purification method of 1,1,1,2 tetrafluoroethane
US5437848A (en) * 1992-07-10 1995-08-01 Cabot Corporation Recovery of metal values from process residues
TW222617B (en) 1992-08-20 1994-04-21 Showa Denko Kk
JPH06107570A (en) * 1992-09-28 1994-04-19 Showa Denko Kk Purification of 1,1,1,2-tetrafluoroethane
US5405590A (en) 1993-02-05 1995-04-11 Pedro Buarque de Macedo Off-gas scrubber system
CA2234693A1 (en) * 1995-10-10 1997-04-17 Imperial Chemical Industries Plc Hydrogen fluoride recovery process
US5632966A (en) * 1996-03-07 1997-05-27 Alliedsignal Inc. Process for hydrogen fluoride separation
US5895639A (en) * 1996-07-03 1999-04-20 Alliedsignal Inc. Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid
GB9707176D0 (en) 1997-04-09 1997-05-28 Ici Plc Hydrogen fluoride recovery process
US6759018B1 (en) 1997-05-16 2004-07-06 Advanced Technology Materials, Inc. Method for point-of-use treatment of effluent gas streams
ES2203107T3 (en) * 1998-04-03 2004-04-01 E.I. Du Pont De Nemours And Company PROCEDURE FOR THE PURIFICATION OF 2-CHLORINE-1,1,1-2,3,3,3-HEPTAFLUOROPROPANE AND ITS AZEOTROPIC COMPOSITIONS WITH HYDROGEN FLUORIDE.
US7388117B2 (en) 2005-11-01 2008-06-17 E.I. Du Pont De Nemours And Company Azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride and uses thereof
ES2450945T3 (en) * 2006-08-24 2014-03-25 E. I. Du Pont De Nemours And Company Procedures for the separation of fluoroolefins from hydrogen fluoride by azeotropic distillation
CN101981022A (en) 2008-03-27 2011-02-23 苏威氟有限公司 Process for removing HF from HF-containing organic carbonates

Also Published As

Publication number Publication date
JP2018012640A (en) 2018-01-25
WO2013048859A2 (en) 2013-04-04
EP2760784A2 (en) 2014-08-06
US20130078180A1 (en) 2013-03-28
CN108358169A (en) 2018-08-03
JP2014531392A (en) 2014-11-27
EP2760784A4 (en) 2015-07-08
US9309116B2 (en) 2016-04-12
MX341931B (en) 2016-09-08
JP6415656B2 (en) 2018-10-31
WO2013048859A3 (en) 2013-06-27
JP6193864B2 (en) 2017-09-06
MX2014003393A (en) 2014-07-09
CN103813979A (en) 2014-05-21

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