TW375627B - Process for removing dioxane from vapor phase mixtures of dioxane and water and the apparatus and process for minimizing or eliminating overflow of condensate - Google Patents

Process for removing dioxane from vapor phase mixtures of dioxane and water and the apparatus and process for minimizing or eliminating overflow of condensate

Info

Publication number
TW375627B
TW375627B TW085111113A TW85111113A TW375627B TW 375627 B TW375627 B TW 375627B TW 085111113 A TW085111113 A TW 085111113A TW 85111113 A TW85111113 A TW 85111113A TW 375627 B TW375627 B TW 375627B
Authority
TW
Taiwan
Prior art keywords
dioxane
condensate
minimizing
water
vapor phase
Prior art date
Application number
TW085111113A
Other languages
English (en)
Inventor
Robert Adrian Ellis
James Scott Thomas
Original Assignee
Wellman 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 Wellman Inc filed Critical Wellman Inc
Application granted granted Critical
Publication of TW375627B publication Critical patent/TW375627B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/88—Post-polymerisation treatment
    • C08G63/90—Purification; Drying
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/185—Acids containing aromatic rings containing two or more aromatic rings
    • C08G63/187—Acids containing aromatic rings containing two or more aromatic rings containing condensed aromatic rings
    • C08G63/189—Acids containing aromatic rings containing two or more aromatic rings containing condensed aromatic rings containing a naphthalene ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
TW085111113A 1996-06-28 1996-09-11 Process for removing dioxane from vapor phase mixtures of dioxane and water and the apparatus and process for minimizing or eliminating overflow of condensate TW375627B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/672,578 US5817910A (en) 1996-06-28 1996-06-28 Destroying 1,4-dioxane in byproduct streams formed during polyester synthesis

Publications (1)

Publication Number Publication Date
TW375627B true TW375627B (en) 1999-12-01

Family

ID=24699145

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085111113A TW375627B (en) 1996-06-28 1996-09-11 Process for removing dioxane from vapor phase mixtures of dioxane and water and the apparatus and process for minimizing or eliminating overflow of condensate

Country Status (5)

Country Link
US (1) US5817910A (zh)
EP (1) EP0907670A1 (zh)
AU (1) AU6904996A (zh)
TW (1) TW375627B (zh)
WO (1) WO1998000451A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6031065A (en) * 1996-06-28 2000-02-29 Wellman, Inc. Polyester copolymers from naphthalate and related esters
KR101375605B1 (ko) 2007-12-31 2014-03-20 코오롱인더스트리 주식회사 1,4-다이옥산을 저감하는 폴리에스테르 제조방법
JP5813328B2 (ja) * 2010-01-22 2015-11-17 三菱化学株式会社 廃液処理方法、ポリエステルの製造方法、及びポリエステルの製造装置
CN115006967B (zh) * 2022-08-04 2022-11-18 浙江晨阳新材料有限公司 一种燃料电池生产中含醇废气的处理方法及装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927587B1 (zh) * 1970-06-09 1974-07-18
JPS4943510A (zh) * 1972-08-29 1974-04-24
US4146729A (en) * 1977-04-07 1979-03-27 E. I. Du Pont De Nemours And Company Process for preparing poly(ethylene terephthalate)
JPS55164679A (en) * 1979-06-12 1980-12-22 Mitsui Toatsu Chem Inc Purification of cyclic ether
US4285881A (en) * 1980-04-07 1981-08-25 Conoco, Inc. Dioxane removal from ether sulfate
UST104901I4 (en) * 1983-12-19 1984-12-04 Destruction of organic hazardous waste by partial oxidation/gasification
GB8421646D0 (en) * 1984-08-25 1984-09-26 British Petroleum Co Plc Fischer-tropsch catalysts
JPS6185436A (ja) * 1984-10-02 1986-05-01 Teijin Ltd ポリエステル水分散体
US4950309A (en) * 1987-10-07 1990-08-21 Dynecology Incorporated Process for the conversion of toxic organic substances to useful products
DE3841858C1 (zh) * 1988-12-13 1989-10-26 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe, De
DE4103828C2 (de) * 1991-02-08 1994-02-10 Metallgesellschaft Ag Verfahren zur Herstellung von Aminocarbonsäureestern
JP2778307B2 (ja) * 1991-10-16 1998-07-23 日本鋼管株式会社 ごみ焼却炉から排出される灰中のダイオキシンの熱分解方法
US5393916A (en) * 1994-06-24 1995-02-28 Eastman Kodak Company Inhibition of dioxane formation during recovery of glycols from polyester resins

Also Published As

Publication number Publication date
AU6904996A (en) 1998-01-21
WO1998000451A1 (en) 1998-01-08
US5817910A (en) 1998-10-06
EP0907670A1 (en) 1999-04-14

Similar Documents

Publication Publication Date Title
IL121538A (en) Process for the removal of vapor
CA2182305A1 (en) Process for removing sulfur dioxide from flue gas
ZA952424B (en) Process and apparatus for the processing of industrial waste water by electrolysis
ZA919228B (en) Continuous method for removing oil vapor from feed gases containing water vapor
RO81470B (ro) Procedeu de purificare a apelor reziduale cu continut de uree
MXPA04001658A (es) Separacion de una fraccion pesada a partir de corrientes de alcanos halogenados.
TW375627B (en) Process for removing dioxane from vapor phase mixtures of dioxane and water and the apparatus and process for minimizing or eliminating overflow of condensate
TW364859B (en) Process for removing sulfur dioxide from flue gas
GB2268486B (en) Process for the removal and the recovery of ammonia from liquid waste
ZA97577B (en) Process for recovering components of a float material from waste water treatment system.
CA2150872A1 (en) Method for removing acidic and salt impurities from the condensed phase from the reaction effluent in a process for dimethyl carbonate synthesis
DK0715604T3 (da) Fremgangsmåde til genvinding af mindst ét metal fra et forsyret spildevandsslam
ATE112544T1 (de) Verfahren zur entfernung von vinylidenchlorid und anderen ungesättigten verbindungen aus 1,1- dichlor-1-fluorethan.
GR3018833T3 (en) Process and apparatus for waste treatment by direct contact
CA2182168A1 (en) Process for treating solid waste containing volatilizable inorganic contaminants
SE9500376L (sv) Förfarande vid behandling av kondensat
GB2262052B (en) Process for the treatment of a waste water stream
EP0255893A3 (en) Process and apparatus for the recovery of 1,2-dichloroethane from waste gases
DE69934703D1 (de) Verfahren zur herstellung eines sorptionsmittels, nach diesem verfahren erhaltenes sorptionsmittel und verfahren zur reinigung eines heissen gasstroms
EP0486797A3 (en) Process for upgrading the residues from extractive destillation processes for the recovery of pure aromatics
JPS5223850A (en) Treatment and disposal of raw sewage and industrial waste
CA2055002A1 (en) Method and apparatus for the removal of constituents from a waste gas
CA2116089A1 (en) Method and apparatus for dewatering gas stream resulting in a clean water effluent
JPS5462654A (en) Method of treating waste water containing heavy metal
AU2226692A (en) Improved process for removal of sulfur dioxide from waste gases