ID21867A - Pembuangan senyawa-senyawa penurun permanganat dan alkil iodida dari suatu arus proses karbonilasi - Google Patents

Pembuangan senyawa-senyawa penurun permanganat dan alkil iodida dari suatu arus proses karbonilasi

Info

Publication number
ID21867A
ID21867A IDW990179A ID990179A ID21867A ID 21867 A ID21867 A ID 21867A ID W990179 A IDW990179 A ID W990179A ID 990179 A ID990179 A ID 990179A ID 21867 A ID21867 A ID 21867A
Authority
ID
Indonesia
Prior art keywords
disposal
compounds
flow
alkyl iodides
carbonilation
Prior art date
Application number
IDW990179A
Other languages
English (en)
Indonesian (id)
Inventor
Madan Singh
George A Blay
Michael L Karnilaw
Melchior A Meilchen
Wayne David Picard
Valeri Santillan
Mark O Scates
Robin Suzanne Tanke
G Paull Torrence
Richard F Vogel Jr
R Jay Warner
Original Assignee
Celanese Int Corp
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 Celanese Int Corp filed Critical Celanese Int Corp
Publication of ID21867A publication Critical patent/ID21867A/id

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/10Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
    • C07C51/12Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/48Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
IDW990179A 1996-10-18 1997-10-17 Pembuangan senyawa-senyawa penurun permanganat dan alkil iodida dari suatu arus proses karbonilasi ID21867A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73536196A 1996-10-18 1996-10-18

Publications (1)

Publication Number Publication Date
ID21867A true ID21867A (id) 1999-08-05

Family

ID=24955437

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW990179A ID21867A (id) 1996-10-18 1997-10-17 Pembuangan senyawa-senyawa penurun permanganat dan alkil iodida dari suatu arus proses karbonilasi

Country Status (27)

Country Link
US (1) US6143930A (forum.php)
EP (1) EP0934243B1 (forum.php)
JP (2) JP4681088B2 (forum.php)
KR (1) KR100495554B1 (forum.php)
CN (2) CN1264801C (forum.php)
AR (1) AR008670A1 (forum.php)
AT (1) ATE247620T1 (forum.php)
AU (1) AU730800B2 (forum.php)
BR (1) BR9712325C1 (forum.php)
CA (1) CA2267887C (forum.php)
CZ (1) CZ299598B6 (forum.php)
DE (1) DE69724266T2 (forum.php)
DK (1) DK0934243T3 (forum.php)
ES (1) ES2205197T3 (forum.php)
HU (1) HUP0000457A3 (forum.php)
ID (1) ID21867A (forum.php)
IN (1) IN192600B (forum.php)
MY (1) MY124684A (forum.php)
NZ (1) NZ334936A (forum.php)
PL (1) PL189501B1 (forum.php)
RS (1) RS49538B (forum.php)
RU (1) RU2181715C2 (forum.php)
SA (1) SA97180510B1 (forum.php)
TW (1) TW430647B (forum.php)
UA (1) UA64723C2 (forum.php)
WO (1) WO1998017619A2 (forum.php)
ZA (1) ZA979228B (forum.php)

Families Citing this family (276)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9819606D0 (en) * 1998-09-08 1998-11-04 Bp Chem Int Ltd Carbonylation process
US6552221B1 (en) 1998-12-18 2003-04-22 Millenium Petrochemicals, Inc. Process control for acetic acid manufacture
US6251256B1 (en) 1999-02-04 2001-06-26 Celanese International Corporation Process for electrochemical oxidation of an aldehyde to an ester
US6303813B1 (en) 1999-08-31 2001-10-16 Celanese International Corporation Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile
US6657078B2 (en) 2001-02-07 2003-12-02 Celanese International Corporation Low energy carbonylation process
JP2004131389A (ja) * 2002-10-08 2004-04-30 Daicel Chem Ind Ltd カルボン酸の製造方法及び製造システム
US7005541B2 (en) * 2002-12-23 2006-02-28 Celanese International Corporation Low water methanol carbonylation process for high acetic acid production and for water balance control
US7223886B2 (en) 2004-03-02 2007-05-29 Celanese International Corporation Removal of permanganate reducing compounds from methanol carbonylation process stream
US7223883B2 (en) * 2004-03-02 2007-05-29 Celanese International Corporation Removal of permanganate reducing compounds from methanol carbonylation process stream
US7208624B2 (en) * 2004-03-02 2007-04-24 Celanese International Corporation Process for producing acetic acid
US7271293B2 (en) * 2004-03-02 2007-09-18 Celanese International Corporation Control method for process of removing permanganate reducing compounds from methanol carbonylation process
US7855306B2 (en) * 2005-04-28 2010-12-21 Celanese International Corporation Process for the production of acetic acid
EP2054366B1 (en) * 2006-04-14 2017-08-09 Celanese International Corporation Process for the reduction of aldehyde concentration in a target stream
US7524988B2 (en) * 2006-08-01 2009-04-28 Lyondell Chemical Technology, L.P. Preparation of acetic acid
US7208625B1 (en) 2006-08-04 2007-04-24 Lyondell Chemical Technology, L.P. Removing permanganate-reducing impurities from acetic acid
US7989659B2 (en) * 2007-05-17 2011-08-02 Celanese International Corporation Method and apparatus for making acetic acid with improved light ends column productivity
US8062482B2 (en) * 2007-10-30 2011-11-22 Celanese International Corporation Acetaldehyde removal from methyl acetate by distillation at elevated pressure
US7820855B2 (en) 2008-04-29 2010-10-26 Celanese International Corporation Method and apparatus for carbonylating methanol with acetic acid enriched flash stream
US20090326268A1 (en) * 2008-06-28 2009-12-31 Pretium Ventures Aa, Llc Compositions for carboxylic acid production and methods for making and using same
US8309773B2 (en) 2010-02-02 2012-11-13 Calanese International Corporation Process for recovering ethanol
US8546622B2 (en) 2008-07-31 2013-10-01 Celanese International Corporation Process for making ethanol from acetic acid using acidic catalysts
US8304586B2 (en) 2010-02-02 2012-11-06 Celanese International Corporation Process for purifying ethanol
US7884237B2 (en) * 2008-11-07 2011-02-08 Celanese International Corp. Methanol carbonylation with improved aldehyde removal
BR112012009824A2 (pt) 2009-10-26 2016-11-22 Celanese Int Corp processo para a fabricação de etanol a partir do ácido acético com a utilização de catalisadores de ácidos
US8552224B2 (en) 2010-05-07 2013-10-08 Celanese International Corporation Processes for maximizing ethanol formation in the hydrogenation of acetic acid
US8575403B2 (en) 2010-05-07 2013-11-05 Celanese International Corporation Hydrolysis of ethyl acetate in ethanol separation process
US8460405B2 (en) 2010-02-02 2013-06-11 Celanese International Corporation Ethanol compositions
US8552225B2 (en) 2010-02-02 2013-10-08 Celanese International Corporation Process for vaporizing acetic acid for hydrogenation processes to produce ethanol
US8747492B2 (en) 2010-02-02 2014-06-10 Celanese International Corporation Ethanol/fuel blends for use as motor fuels
WO2011097220A2 (en) 2010-02-02 2011-08-11 Celanese International Corporation Process for producing ethanol using an extractive distillation column
US8394984B2 (en) 2010-02-02 2013-03-12 Celanese International Corporation Process for producing an ethyl acetate solvent and co-production of ethanol
US8552226B2 (en) 2010-02-02 2013-10-08 Celanese International Corporation Process for heat integration for ethanol production and purification process
WO2011097193A2 (en) 2010-02-02 2011-08-11 Celanese International Corporation Hydrolysis of ethyl acetate in ethanol separation process
WO2012039841A1 (en) 2010-02-02 2012-03-29 Celanese International Corporation Integrated process for producing alcohols from a mixed acid feed
US8858659B2 (en) 2010-02-02 2014-10-14 Celanese International Corporation Processes for producing denatured ethanol
US8728179B2 (en) 2010-02-02 2014-05-20 Celanese International Corporation Ethanol compositions
US8394985B2 (en) 2010-02-02 2013-03-12 Celanese International Corporation Process for producing an ester feed stream for esters production and co-production of ethanol
US8222466B2 (en) 2010-02-02 2012-07-17 Celanese International Corporation Process for producing a water stream from ethanol production
EP2531292A2 (en) 2010-02-02 2012-12-12 Celanese International Corporation Processes for producing ethanol from acetaldehyde
US8668750B2 (en) 2010-02-02 2014-03-11 Celanese International Corporation Denatured fuel ethanol compositions for blending with gasoline or diesel fuel for use as motor fuels
US8344186B2 (en) 2010-02-02 2013-01-01 Celanese International Corporation Processes for producing ethanol from acetaldehyde
CN102414152B (zh) 2010-02-02 2015-04-22 国际人造丝公司 纯化粗乙醇产物的方法
US8680343B2 (en) 2010-02-02 2014-03-25 Celanese International Corporation Process for purifying ethanol
US8318988B2 (en) 2010-05-07 2012-11-27 Celanese International Corporation Process for purifying a crude ethanol product
US8932372B2 (en) 2010-02-02 2015-01-13 Celanese International Corporation Integrated process for producing alcohols from a mixed acid feed
US8541633B2 (en) 2010-02-02 2013-09-24 Celanese International Corporation Processes for producing anhydrous ethanol compositions
AU2011213125B2 (en) 2010-02-02 2014-07-17 Celanese International Corporation Process for purifying ethanol
WO2012039840A2 (en) 2010-02-02 2012-03-29 Celanese International Corporation Processes for producing alcohols from a mixed acid feed
US8314272B2 (en) 2010-02-02 2012-11-20 Celanese International Corporation Process for recovering ethanol with vapor separation
CN102421734B (zh) 2010-02-02 2015-11-25 国际人造丝公司 生产变性乙醇的方法
CN102918013B (zh) 2010-05-07 2014-12-24 国际人造丝公司 纯化乙醇的方法
US8704010B2 (en) 2010-05-07 2014-04-22 Celanese International Corporation Alcohol production process with impurity removal
US8569551B2 (en) 2010-05-07 2013-10-29 Celanese International Corporation Alcohol production process integrating acetic acid feed stream comprising water from carbonylation process
US8754267B2 (en) 2010-05-07 2014-06-17 Celanese International Corporation Process for separating acetaldehyde from ethanol-containing mixtures
US8704011B2 (en) 2010-05-07 2014-04-22 Celanese International Corporation Separating ethanol and ethyl acetate under low pressure conditions
US8604255B2 (en) 2010-05-07 2013-12-10 Celanese International Corporation Process for recovering ethanol with sidedraws to regulate C3+ alcohols concentrations
US8680342B2 (en) 2010-05-07 2014-03-25 Celanese International Corporation Process for recovering alcohol produced by hydrogenating an acetic acid feed stream comprising water
US8575404B2 (en) 2010-05-07 2013-11-05 Celanese International Corporation Process for recycling gas from acetic acid hydrogenation
CN102971284B (zh) 2010-05-18 2016-01-27 国际人造丝公司 生产乙酸的方法
US8884080B2 (en) 2010-07-09 2014-11-11 Celanese International Corporation Reduced energy alcohol separation process
US20120010445A1 (en) 2010-07-09 2012-01-12 Celanese International Corporation Low Energy Alcohol Recovery Processes
US8846988B2 (en) 2010-07-09 2014-09-30 Celanese International Corporation Liquid esterification for the production of alcohols
BR112012029579A2 (pt) 2010-07-09 2016-08-02 Celanese Int Corp reator de acabamento para purificar etanol
US8710279B2 (en) 2010-07-09 2014-04-29 Celanese International Corporation Hydrogenolysis of ethyl acetate in alcohol separation processes
US8846986B2 (en) 2011-04-26 2014-09-30 Celanese International Corporation Water separation from crude alcohol product
US8901358B2 (en) 2010-07-09 2014-12-02 Celanese International Corporation Esterification of vapor crude product in the production of alcohols
US8704008B2 (en) 2010-07-09 2014-04-22 Celanese International Corporation Process for producing ethanol using a stacked bed reactor
US8809597B2 (en) 2010-07-09 2014-08-19 Celanese International Corporation Separation of vapor crude alcohol product
US8664454B2 (en) 2010-07-09 2014-03-04 Celanese International Corporation Process for production of ethanol using a mixed feed using copper containing catalyst
US8859827B2 (en) 2011-11-18 2014-10-14 Celanese International Corporation Esterifying acetic acid to produce ester feed for hydrogenolysis
US9150474B2 (en) 2010-07-09 2015-10-06 Celanese International Corporation Reduction of acid within column through esterification during the production of alcohols
US8710280B2 (en) 2010-07-09 2014-04-29 Celanese International Corporation Weak acid recovery system for ethanol separation processes
US9272970B2 (en) 2010-07-09 2016-03-01 Celanese International Corporation Hydrogenolysis of ethyl acetate in alcohol separation processes
CN102811990B (zh) 2010-08-06 2015-05-27 国际人造丝公司 用于与汽油或柴油燃料调合用作发动机燃料的变性燃料乙醇组合物
CN103038202B (zh) 2010-08-06 2015-04-01 国际人造丝公司 用作发动机燃料的乙醇/燃料调和物
US8378141B2 (en) 2010-08-16 2013-02-19 Celanese International Corporation Process and system for supplying vapor from drying column to light ends column
US8394988B2 (en) 2010-09-28 2013-03-12 Celanese International Corporation Production of acetic acid with high conversion rate
US8877963B2 (en) 2010-09-28 2014-11-04 Celanese International Corporation Production of acetic acid with high conversion rate
EP2628720B1 (en) * 2010-10-06 2018-11-07 Daicel Corporation Acetic acid production method
US8461379B2 (en) 2010-10-12 2013-06-11 Celanese International Corporation Production of acetic acid comprising feeding at least one reactant to a recycle stream
BR112013008897B1 (pt) 2010-10-13 2019-01-02 Celanese International Corporation processo para a recuperação de promotores de halogênio e para a remoção de compostos redutores de permanganato
US8678715B2 (en) 2010-11-15 2014-03-25 B&J Rocket America, Inc. Air cooled spacer for multi-blade abrading wheel
US8637698B2 (en) 2010-11-19 2014-01-28 Celanese International Corporation Production of acetic acid with an increased production rate
ES2651953T3 (es) 2010-12-15 2018-01-30 Daicel Corporation Método de producción de ácido acético
MY161174A (en) 2010-12-15 2017-04-14 Daicel Corp Process for producing acetic acid
US20120253084A1 (en) 2011-04-01 2012-10-04 Celanese International Corporation Vent scrubbers for use in production of ethanol
US9024085B2 (en) 2011-04-26 2015-05-05 Celanese International Corporation Process to reduce ethanol recycled to hydrogenation reactor
US8754268B2 (en) 2011-04-26 2014-06-17 Celanese International Corporation Process for removing water from alcohol mixtures
US9073816B2 (en) 2011-04-26 2015-07-07 Celanese International Corporation Reducing ethyl acetate concentration in recycle streams for ethanol production processes
WO2012149199A2 (en) 2011-04-26 2012-11-01 Celanese International Corporation Process for producing ethanol and reducing acetic acid concentration
TW201302684A (zh) 2011-04-26 2013-01-16 Celanese Int Corp 由醋酸進料及再循環醋酸乙酯進料生產乙醇之製程
TW201249790A (en) 2011-04-26 2012-12-16 Celanese Int Corp Reduced energy alcohol separation process having controlled pressure
TW201245128A (en) 2011-04-26 2012-11-16 Celanese Int Corp Reduced energy alcohol separation process having water removal
US8884081B2 (en) 2011-04-26 2014-11-11 Celanese International Corporation Integrated process for producing acetic acid and alcohol
US8927787B2 (en) 2011-04-26 2015-01-06 Celanese International Corporation Process for controlling a reboiler during alcohol recovery and reduced ester formation
US8907141B2 (en) 2011-04-26 2014-12-09 Celanese International Corporation Process to recover alcohol with secondary reactors for esterification of acid
WO2012148465A1 (en) 2011-04-26 2012-11-01 Celanese International Corporation Recovering ethanol with sidestreams to regulate c3+ alcohols concentrations
US9024084B2 (en) 2011-04-26 2015-05-05 Celanese International Corporation Reduced energy alcohol separation process having controlled pressure
US8686199B2 (en) 2011-04-26 2014-04-01 Celanese International Corporation Process for reducing the concentration of acetic acid in a crude alcohol product
CN103270010B (zh) 2011-04-26 2016-01-20 国际人造丝公司 粗乙醇的抽提蒸馏
US9024082B2 (en) 2011-04-26 2015-05-05 Celanese International Corporation Using a dilute acid stream as an extractive agent
CN103119010B (zh) 2011-04-26 2015-07-29 国际人造丝公司 通过分离来自加氢过程的粗产物回收乙醇侧线馏分
US8927780B2 (en) 2011-04-26 2015-01-06 Celanese International Corporation Process for removing aldehydes from ethanol reaction mixture
US20120277482A1 (en) 2011-04-26 2012-11-01 Celanese International Corporation Removing Water from an Acetic Acid Stream in the Production of Alcohols
US8927788B2 (en) 2011-04-26 2015-01-06 Celanese International Corporation Process to recover alcohol with reduced water from overhead of acid column
US8686200B2 (en) 2011-04-26 2014-04-01 Celanese International Corporation Process to recover alcohol from an acidic residue stream
US8461399B2 (en) 2011-04-26 2013-06-11 Celanese International Corporation Separation process having an alcohol sidestream
WO2012149153A1 (en) 2011-04-26 2012-11-01 Celanese International Corporation Process to recover alcohol with secondary reactors for esterification of acid
CN103649030B (zh) 2011-04-26 2016-06-15 国际人造丝公司 在醇的生产过程中通过酯化在塔内减少酸
US8592635B2 (en) 2011-04-26 2013-11-26 Celanese International Corporation Integrated ethanol production by extracting halides from acetic acid
US9000233B2 (en) 2011-04-26 2015-04-07 Celanese International Corporation Process to recover alcohol with secondary reactors for hydrolysis of acetal
WO2012149135A2 (en) 2011-04-26 2012-11-01 Celanese International Corporation Using a dilute acid stream as an extractive agent
US8927784B2 (en) 2011-04-26 2015-01-06 Celanese International Corporation Process to recover alcohol from an ethyl acetate residue stream
US8748675B2 (en) 2011-06-16 2014-06-10 Celanese International Corporation Extractive distillation of crude alcohol product
US8933278B2 (en) 2011-04-26 2015-01-13 Celanese International Corporation Process for producing ethanol and reducing acetic acid concentration
US8927783B2 (en) 2011-04-26 2015-01-06 Celanese International Corporation Recovering ethanol with sidestreams to regulate C3+ alcohols concentrations
CN103140460B (zh) 2011-04-26 2015-08-19 国际人造丝公司 减少循环至乙酸加氢反应器的乙醇的方法
US9000232B2 (en) 2011-04-26 2015-04-07 Celanese International Corporation Extractive distillation of crude alcohol product
US8652988B2 (en) 2011-04-27 2014-02-18 Celanese International Corporation Catalyst for producing acrylic acids and acrylates
WO2012151377A1 (en) 2011-05-05 2012-11-08 Celanese International Corporation Removal of aromatics from carbonylation process
US8697908B2 (en) 2011-05-05 2014-04-15 Celanese International Corporation Removal of amine compounds from carbonylation process stream containing corrosion metal contaminants
US8642498B2 (en) 2011-05-11 2014-02-04 Celanese International Corporation Catalysts for producing acrylic acids and acrylates
US8704012B2 (en) 2011-06-16 2014-04-22 Celanese International Corporation Distillation of crude alcohol product using entrainer
WO2013019232A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Reducing acetals during ethanol separation process
WO2013019235A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Process for purifying a crude ethanol product
US8748676B2 (en) 2011-08-03 2014-06-10 Celanese International Corporation Process for purifying a crude ethanol product
US8895786B2 (en) 2011-08-03 2014-11-25 Celanese International Corporation Processes for increasing alcohol production
US8877986B2 (en) 2011-08-03 2014-11-04 Celanese International Corporation Process for recovering alcohol
US8927782B2 (en) 2011-08-03 2015-01-06 Celanese International Corporation Vapor separation in alcohol production
WO2013019229A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Reducing impurities in ethanol in hydrogenation processes with multiple reaction zones
US8481792B2 (en) 2011-08-03 2013-07-09 Celanese International Corporation Reducing acetals and/or esters during ethanol separation process
WO2013019237A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Reducing acetals and/or esters during ethanol separation process
WO2013019234A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Processes for improving ethanol production via hydrolysis of ester contaminants
US8877987B2 (en) 2011-08-03 2014-11-04 Celanese International Corportation Process for producing anhydrous ethanol using extractive distillation column
US8575405B2 (en) 2011-08-03 2013-11-05 Celanese International Corporation Reducing acetals during ethanol separation process
WO2013019238A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Reducing acetals during ethanol separation process using high pressure distillation column
WO2013019233A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Process for producing anhydrous ethanol using extractive distillation column
WO2013019239A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Ethanol separation process having stripping section for reducing acetals
US8558034B2 (en) 2011-08-03 2013-10-15 Celanese International Corporation Reducing acetals during ethanol separation process using high pressure distillation column
US8440866B2 (en) 2011-08-03 2013-05-14 Celanese International Corporation Process for separating ethanol having low acid
US8846987B2 (en) 2011-08-03 2014-09-30 Celanese International Corporation Ethanol separation process having stripping section for reducing acetals
WO2013019231A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Vapor separation in ethanol production
US8884079B2 (en) 2011-08-03 2014-11-11 Celanese International Corporation Reducing impurities in hydrogenation processes with multiple reaction zones
CN103796979A (zh) 2011-08-03 2014-05-14 国际人造丝公司 用于分离具有低酸的乙醇的方法
WO2013019236A1 (en) 2011-08-03 2013-02-07 Celanese International Corporation Process for recovering ethanol in a side draw distillation column
US8853466B2 (en) 2011-08-19 2014-10-07 Celanese International Corporation Integrated process for producing ethanol from methanol
US8853467B2 (en) 2011-08-19 2014-10-07 Celanese International Corporation Integrated process for producing ethanol
US8829253B2 (en) 2011-08-19 2014-09-09 Celanese International Corporation Integrated process for producing ethanol from methanol
US20130053599A1 (en) 2011-08-22 2013-02-28 Celanese International Corporation Catalysts for producing acrylic acids and acrylates
US9663437B2 (en) 2011-09-13 2017-05-30 Celanese International Corporation Production of acetic acid with high conversion rate
US8802585B2 (en) 2011-09-22 2014-08-12 Celanese International Corporation Catalysts for producing acrylic acids and acrylates
US8735314B2 (en) 2011-09-29 2014-05-27 Celanese International Corporation Catalysts for producing acrylic acids and acrylates
US8658823B2 (en) 2011-10-03 2014-02-25 Celanese International Corporation Processes for producing acrylic acids and acrylates
US8658824B2 (en) 2011-10-03 2014-02-25 Celanese International Corporation Processes for producing acrylic acids and acrylates
US9487466B2 (en) 2011-12-16 2016-11-08 Celanese International Corporation Process for producing acrylic acids and acrylates
US20130085299A1 (en) 2011-10-03 2013-04-04 Celanese International Corporation Processes for Producing Acrylic Acids and Acrylate with Diluted Crude Acrylate Stream
US20130085303A1 (en) 2011-10-03 2013-04-04 Celanese International Corporation Processes for Producing Acrylic Acids and Acrylates
US8729299B2 (en) 2011-10-03 2014-05-20 Celanese International Corporation Processes for the production of acrylic acids and acrylates
US20130085298A1 (en) 2011-10-03 2013-04-04 Celanese International Corporation Processes for Producing Acrylic Acids and Acrylates with Liquid Product Dilution
US20130085297A1 (en) 2011-10-03 2013-04-04 Celanese International Corporation Processes for Producing Acrylic Acids and Acrylates with Pre- and Post-Reactor Dilution
US8864950B2 (en) 2011-10-03 2014-10-21 Celanese International Corporation Processes for producing acrylic acids and acrylates
US20130267736A1 (en) 2011-10-03 2013-10-10 Celanese International Corporation Processes for Producing Acrylic Acids and Acrylates with Diluted Reaction Mixture and By-Product Recycle
US20130253224A1 (en) 2012-03-20 2013-09-26 Celanese International Corporation Process for Producing Acrylic Acids and Acrylates
US8658822B2 (en) 2011-10-03 2014-02-25 Celanese International Corporation Processes for producing acrylic acids and acrylates
US20130085302A1 (en) 2011-10-03 2013-04-04 Celanese International Corporation Processes for Producing Acrylic Acids and Acrylates
US20130085295A1 (en) 2011-10-03 2013-04-04 Celanese International Corporation Processes for producing acrylic acids and acrylates
US8536368B2 (en) 2011-10-03 2013-09-17 Celanese International Corporation Processes for the production of acrylic acids and acrylates from a trioxane feed
US8536382B2 (en) 2011-10-06 2013-09-17 Celanese International Corporation Processes for hydrogenating alkanoic acids using catalyst comprising tungsten
US8658843B2 (en) 2011-10-06 2014-02-25 Celanese International Corporation Hydrogenation catalysts prepared from polyoxometalate precursors and process for using same to produce ethanol while minimizing diethyl ether formation
WO2013056268A2 (en) 2011-10-06 2013-04-18 Celanese International Corporation Hydrogenation catalysts prepared from polyoxometalate precursors and process for using same to produce ethanol
US8648220B2 (en) 2011-10-11 2014-02-11 Celanese International Corporation Process for producing ethanol using a crude vinyl acetate feed
US8686201B2 (en) 2011-11-09 2014-04-01 Celanese International Corporation Integrated acid and alcohol production process having flashing to recover acid production catalyst
WO2013070212A1 (en) 2011-11-09 2013-05-16 Celanese International Corporation Producing ethanol using two different streams from acetic acid carbonylation process
US8809599B2 (en) 2011-11-09 2014-08-19 Celanese International Corporation Integrated process for producing ethanol and water balance control
US8809598B2 (en) 2011-11-09 2014-08-19 Celanese International Corporation Producing ethanol using two different streams from acetic acid carbonylation process
WO2013070216A1 (en) 2011-11-09 2013-05-16 Celanese International Corporation Integrated ethanol production from methanol via carbonylation and hydrogenation by extracting halides from acetic acid
TW201332950A (zh) * 2011-11-09 2013-08-16 Celanese Int Corp 藉由乙酸萃取鹵化物的乙醇整合製程
WO2013070211A1 (en) 2011-11-09 2013-05-16 Celanese International Corporation Integrated process for producing ethanol from methanol
US8704013B2 (en) 2011-11-09 2014-04-22 Celanese International Corporation Integrated process for producing ethanol
US8614359B2 (en) 2011-11-09 2013-12-24 Celanese International Corporation Integrated acid and alcohol production process
US8748673B2 (en) 2011-11-18 2014-06-10 Celanese International Corporation Process of recovery of ethanol from hydrogenolysis process
US8853470B2 (en) 2011-11-22 2014-10-07 Celanese International Corporation Esterifying an ethanol and acetic acid mixture to produce an ester feed for hydrogenolysis
US20130131400A1 (en) 2011-11-22 2013-05-23 Celanese International Corporation Hydrogenating Acetic Acid to Produce Ethyl Acetate and Reducing Ethyl Acetate to Ethanol
US20130131399A1 (en) 2011-11-23 2013-05-23 Celanese International Corporation Catalyst Preparations for High Conversion Catalysts for Producing Ethanol
US8927785B2 (en) 2011-11-29 2015-01-06 Celanese International Corporation Treatment of recycle gas from acid hydrogenation
US9079121B2 (en) 2011-12-02 2015-07-14 Celanese International Corporation Distillation column having enlarged downcomers and method of downcomer enlargement
US9029614B2 (en) 2011-12-14 2015-05-12 Celanese International Corporation Phasing reactor product from hydrogenating acetic acid into ethyl acetate feed to produce ethanol
US8927790B2 (en) 2011-12-15 2015-01-06 Celanese International Corporation Multiple vapor feeds for hydrogenation process to produce alcohol
US9249081B2 (en) 2011-12-16 2016-02-02 Celanese International Corporation Processes for the production of acrylic acids and acrylates
US9090554B2 (en) 2011-12-21 2015-07-28 Lyondellbasell Acetyls, Llc Process for the manufacture of acetic acid
US9051258B2 (en) 2011-12-21 2015-06-09 Lyondellbasell Acetyls, Llc Process for the manufacture of acetic acid
US20130165704A1 (en) 2011-12-21 2013-06-27 Celanese International Corporation Process for producing ethanol in a reactor having a constant temperature
CA2859068C (en) 2011-12-21 2016-08-16 Equistar Chemicals, Lp Process for the manufacture of acetic acid
CN103282333A (zh) 2011-12-22 2013-09-04 国际人造丝公司 使用具有无定形载体的加氢催化剂的乙醇方法
US20130165695A1 (en) 2011-12-22 2013-06-27 Celanese International Corporation Process conditions for producing acrylic acid
US8907142B2 (en) 2011-12-29 2014-12-09 Celanese International Corporation Process for promoting catalyst activity for ethyl acetate conversion
US20130172633A1 (en) 2011-12-29 2013-07-04 Celanese International Corporation Process For Producing Ethanol From Impure Methanol
WO2013101305A1 (en) 2011-12-30 2013-07-04 Celanese International Corporation Pressure driven distillation for producing and recovering ethanol from hydrogenation process
WO2013103393A1 (en) 2012-01-06 2013-07-11 Celanese International Corporation Processes for making catalysts comprising precious metal and active metal modified support
AU2012363796A1 (en) 2012-01-06 2014-07-03 Celanese International Corporation Cobalt-containing hydrogenation catalysts and processes for making same
MX2014008252A (es) 2012-01-06 2014-08-08 Celanese Int Corp Catalizadores de hidrogenacion.
WO2013103396A1 (en) 2012-01-06 2013-07-11 Celanese International Corporation Processes for making catalysts with oxalate precursors
US8980789B2 (en) 2012-01-06 2015-03-17 Celanese International Corporation Modified catalyst supports
US8841230B2 (en) 2012-01-06 2014-09-23 Celanese International Corporation Processes for making catalysts with metal halide precursors
US8937203B2 (en) 2012-01-06 2015-01-20 Celanese International Corporation Multifunctional hydrogenation catalysts
US20130197278A1 (en) 2012-01-27 2013-08-01 Celanese International Corporation Process For Manufacturing Ethanol Using A Metallic Catalyst Supported on Titania
US9353034B2 (en) 2012-02-07 2016-05-31 Celanese International Corporation Hydrogenation process with reduced residence time for vapor phase reactants
US9051235B2 (en) 2012-02-07 2015-06-09 Celanese International Corporation Process for producing ethanol using a molar excess of hydrogen
WO2013119275A1 (en) 2012-02-08 2013-08-15 Celanese International Corporation Production of acetic acid from methanol
US9050585B2 (en) 2012-02-10 2015-06-09 Celanese International Corporation Chemisorption of ethyl acetate during hydrogenation of acetic acid to ethanol
US8729311B2 (en) 2012-02-10 2014-05-20 Celanese International Corporaton Catalysts for converting acetic acid to acetone
US8729317B2 (en) 2012-02-15 2014-05-20 Celanese International Corporation Ethanol manufacturing process over catalyst with cesium and support comprising tungsten or oxides thereof
US20130225876A1 (en) 2012-02-29 2013-08-29 Celanese International Corporation Hydrogenation Catalyst Using Multiple Impregnations of an Active Metal Solution
US9126194B2 (en) 2012-02-29 2015-09-08 Celanese International Corporation Catalyst having support containing tin and process for manufacturing ethanol
US8927786B2 (en) 2012-03-13 2015-01-06 Celanese International Corporation Ethanol manufacturing process over catalyst having improved radial crush strength
RS58842B1 (sr) 2012-03-13 2019-07-31 Celanese Int Corp Katalizator za proizvodnju akrilnih kiselina i akrilata
US8669201B2 (en) 2012-03-13 2014-03-11 Celanese International Corporation Catalyst for producing acrylic acids and acrylates
US8802903B2 (en) 2012-03-13 2014-08-12 Celanese International Corporation Stacked bed reactor with diluents for producing ethanol
US20130245310A1 (en) 2012-03-13 2013-09-19 Celanese International Corporation Catalyst for producing acrylic acids and acrylates
EP2825305A1 (en) 2012-03-13 2015-01-21 Celanese International Corporation Catalyst for producing acrylic acid and acrylates comprising vanadium, bismuth and tungsten
US8536383B1 (en) 2012-03-14 2013-09-17 Celanese International Corporation Rhodium/tin catalysts and processes for producing ethanol
US20130245131A1 (en) 2012-03-14 2013-09-19 Celanese International Corporation Hydrogenation of Mixed Oxygenate Stream to Produce Alcohol
TWI547477B (zh) 2012-03-14 2016-09-01 大賽璐股份有限公司 醋酸之製造方法
US20130261349A1 (en) 2012-03-28 2013-10-03 Celanese International Corporation Hydrogenation Catalysts and Processes for Making Same
US8859810B2 (en) 2012-08-21 2014-10-14 Celanese International Corporation Process for recovering permanganate reducing compounds from an acetic acid production process
US8759576B2 (en) 2012-09-06 2014-06-24 Celanese International Corporation Processes for purifying acetic anhydride
WO2014039304A1 (en) 2012-09-06 2014-03-13 Celanese International Corporation Processes for producing vinyl acetate
US20140121410A1 (en) 2012-10-31 2014-05-01 Celanese International Corporation Processes for Regenerating Catalyst for Producing Acrylic Acids and Acrylates
US9000237B2 (en) 2012-12-20 2015-04-07 Celanese International Corporation Ethanol refining process using intermediate reboiler
BR112015014628B8 (pt) * 2012-12-21 2021-03-30 Daicel Corp processo para produzir ácido acético, e, método para separar ou remover acetaldeído
US9409846B2 (en) 2013-03-15 2016-08-09 Celanese International Corporation Process for separating product gas using carbonylation processes
US9073846B2 (en) 2013-06-05 2015-07-07 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
US9120743B2 (en) 2013-06-27 2015-09-01 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
US9150475B2 (en) 2013-11-08 2015-10-06 Celanese International Corporation Process for producing ethanol by hydrogenation with carbon monoxide controls
WO2016054608A1 (en) 2014-10-02 2016-04-07 Celanese International Corporation Process for producing acetic acid
US9260369B1 (en) * 2014-11-14 2016-02-16 Celanese International Corporation Processes for producing acetic acid product having low butyl acetate content
WO2016076970A1 (en) * 2014-11-14 2016-05-19 Celanese International Corporation Processes for producing acetic acid from a reaction medium having low ethyl iodide content
US9233907B1 (en) 2014-11-14 2016-01-12 Celanese International Corporation Reducing hydrogen iodide content in carbonylation processes
WO2016076967A1 (en) 2014-11-14 2016-05-19 Celanese International Corporation Processes for producing acetic acid with decanter control
US9302975B1 (en) 2015-07-01 2016-04-05 Celanese International Corporation Process for flashing a reaction medium
US9458078B2 (en) * 2014-11-14 2016-10-04 Celanese International Corporation Processes for producing acetic acid from a reaction medium having low ethyl iodide content
US9540304B2 (en) * 2014-11-14 2017-01-10 Celanese International Corporation Processes for producing an acetic acid product having low butyl acetate content
US9561994B2 (en) 2015-01-30 2017-02-07 Celanese International Corporation Processes for producing acetic acid
US9487464B2 (en) 2015-01-30 2016-11-08 Celanese International Corporation Processes for producing acetic acid
CN107207392B (zh) 2015-01-30 2021-06-08 国际人造丝公司 生产乙酸的方法
CN107207391B (zh) 2015-01-30 2020-11-06 国际人造丝公司 生产乙酸的方法
US9512056B2 (en) 2015-02-04 2016-12-06 Celanese International Corporation Process to control HI concentration in residuum stream
US10413840B2 (en) 2015-02-04 2019-09-17 Celanese International Coporation Process to control HI concentration in residuum stream
US9505696B2 (en) 2015-02-04 2016-11-29 Celanese International Corporation Process to control HI concentration in residuum stream
US9540303B2 (en) 2015-04-01 2017-01-10 Celanese International Corporation Processes for producing acetic acid
US9302974B1 (en) 2015-07-01 2016-04-05 Celanese International Corporation Process for producing acetic acid
US9382183B1 (en) 2015-07-01 2016-07-05 Celanese International Corporation Process for flashing a reaction medium
MY181882A (en) 2015-10-02 2021-01-12 Celanese Int Corp Process to produce acetic acid with recycle of water
US9957216B2 (en) 2015-11-13 2018-05-01 Celanese International Corporation Processes for producing acetic acid
US9908835B2 (en) 2015-11-13 2018-03-06 Celanese International Corporation Processes for purifying acetic and hydrating anhydride
JP6491750B2 (ja) 2016-10-28 2019-03-27 株式会社ダイセル 酢酸の製造方法
US10428003B2 (en) 2017-01-18 2019-10-01 Daicel Corporation Method for producing acetic acid
BR112019014635A2 (pt) 2017-01-18 2020-07-07 Daicel Corporation método para produzir ácido acético, e método para produzir ácido acético reagindo metanol com monóxido de carbono na presença de um sistema catalisador compreendendo um catalisador de metal e iodeto de metila, ácido acético
US10428004B2 (en) 2017-01-18 2019-10-01 Daicel Corporation Method for producing acetic acid
EP3372577B1 (en) * 2017-01-18 2020-01-01 Daicel Corporation Method for producing acetic acid
US10550058B2 (en) 2017-03-08 2020-02-04 Daicel Corporation Method for producing acetic acid
EP3401302B1 (en) 2017-03-08 2020-07-22 Daicel Corporation Method for producing acetic acid
US10428005B2 (en) 2017-03-22 2019-10-01 Daicel Corporation Method for producing acetic acid
SG11201908724VA (en) 2017-03-22 2019-10-30 Daicel Corp Method for producing acetic acid
US10308581B2 (en) 2017-03-28 2019-06-04 Daicel Corporation Method for producing acetic acid
ES2779805T3 (es) 2017-03-28 2020-08-19 Daicel Corp Método para la producción de ácido acético
US20190084912A1 (en) 2017-09-15 2019-03-21 Celanese International Corporation Process for producing acrylic acids and acrylates
EP3792244B1 (en) * 2018-05-29 2022-07-27 Daicel Corporation Method for producing acetic acid
CN110325503B (zh) 2018-05-29 2023-05-02 株式会社大赛璐 乙酸的制备方法
WO2019229857A1 (ja) 2018-05-29 2019-12-05 株式会社ダイセル 酢酸の製造方法
MY201648A (en) 2018-05-29 2024-03-07 Daicel Corp Method for producing acetic acid
CN110872223B (zh) * 2018-09-04 2024-08-27 河南顺达新能源科技有限公司 一种脱除醋酸中乙醛杂质的装置
US10807935B2 (en) 2018-11-02 2020-10-20 Celanese International Corporation Process for continuous acetic acid production
WO2021202270A1 (en) 2020-04-01 2021-10-07 Celanese International Corporation Processes for removing and/or reducing permanganate reducing compounds and alkyl iodides
CN115867527A (zh) * 2020-06-03 2023-03-28 国际人造丝公司 通过去除高锰酸盐还原化合物生产乙酸的方法
KR20250010656A (ko) 2022-05-19 2025-01-21 라이온델바젤 아세틸, 엘엘씨 빙초산 공정의 향상된 제어 방법

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769329A (en) * 1970-03-12 1973-10-30 Monsanto Co Production of carboxylic acids and esters
US4102922A (en) * 1974-12-30 1978-07-25 Monsanto Company Purification of carbonylation products
JPH05140024A (ja) * 1983-09-02 1993-06-08 Daicel Chem Ind Ltd 酢酸の製造法
CA1228867A (en) * 1984-05-03 1987-11-03 G. Paull Torrence Methanol carbonylation process
US5144068A (en) * 1984-05-03 1992-09-01 Hoechst Celanese Corporation Methanol carbonylation process
US5026908A (en) * 1984-05-03 1991-06-25 Hoechst Celanese Corporation Methanol carbonylation process
US5001259A (en) * 1984-05-03 1991-03-19 Hoechst Celanese Corporation Methanol carbonylation process
JPS612052A (ja) * 1984-06-15 1986-01-08 Iseki & Co Ltd 穀粒用自動水分計
JPH0635418B2 (ja) * 1984-08-27 1994-05-11 ダイセル化学工業株式会社 酢酸の精製方法
US5057192A (en) * 1990-11-02 1991-10-15 Eastman Kodak Company Acetone removal from acetic anhydride production process
AU8790391A (en) * 1990-11-19 1992-05-21 Hoechst Celanese Corporation Removal of carbonyl impurities from a carbonylation process stream
JPH0815798B2 (ja) * 1990-11-30 1996-02-21 株式会社ピーエフユー プリンタ装置
JPH04338357A (ja) * 1991-05-16 1992-11-25 Daicel Chem Ind Ltd 酢酸の精製方法
GB9112623D0 (en) * 1991-06-12 1991-07-31 Bp Chem Int Ltd Separation process
JP2968114B2 (ja) * 1991-12-24 1999-10-25 日新製鋼株式会社 双ロール式連鋳機
DE4327011A1 (de) * 1993-08-12 1995-02-16 Hoechst Ag Verfahren zur Entfernung von Aldehyden und Acetalen aus technisch hergestellter Essigsäure
JP3500150B2 (ja) * 1993-08-18 2004-02-23 ダイセル化学工業株式会社 無水酢酸又は無水酢酸及び酢酸の製造方法
US5502249A (en) * 1994-05-31 1996-03-26 Eastman Chemical Company Process for the removal of iodine from acetyl compounds
US5625095A (en) * 1994-06-15 1997-04-29 Daicel Chemical Industries, Ltd. Process for producing high purity acetic acid
JP3244385B2 (ja) * 1994-06-15 2002-01-07 ダイセル化学工業株式会社 高純度酢酸の製造方法
JP3581725B2 (ja) * 1994-06-30 2004-10-27 ダイセル化学工業株式会社 アセトアルデヒドとヨウ化メチルの分離方法
JP3883221B2 (ja) * 1995-08-03 2007-02-21 ダイセル化学工業株式会社 アセトアルデヒドの分離除去方法
PT2432454T (pt) * 2009-05-19 2017-06-12 Neuroderm Ltd Composições para administração contínua de inibidores de dopa decarboxilase

Also Published As

Publication number Publication date
EP0934243B1 (en) 2003-08-20
JP4512608B2 (ja) 2010-07-28
AU730800B2 (en) 2001-03-15
ZA979228B (en) 1999-04-15
UA64723C2 (uk) 2004-03-15
RU2181715C2 (ru) 2002-04-27
EP0934243A2 (en) 1999-08-11
CA2267887C (en) 2007-01-09
PL189501B1 (pl) 2005-08-31
US6143930A (en) 2000-11-07
BR9712325C1 (pt) 2001-08-21
CZ137599A3 (cs) 1999-09-15
AR008670A1 (es) 2000-02-09
ATE247620T1 (de) 2003-09-15
KR100495554B1 (ko) 2005-06-16
WO1998017619A3 (en) 1998-06-25
PL332868A1 (en) 1999-10-25
CZ299598B6 (cs) 2008-09-17
BR9712325A (pt) 1999-08-31
JP4681088B2 (ja) 2011-05-11
CN1187305C (zh) 2005-02-02
CN1264801C (zh) 2006-07-19
JP2001508405A (ja) 2001-06-26
DE69724266D1 (de) 2003-09-25
HUP0000457A3 (en) 2001-02-28
ES2205197T3 (es) 2004-05-01
TW430647B (en) 2001-04-21
KR20000049277A (ko) 2000-07-25
DE69724266T2 (de) 2004-06-24
IN192600B (forum.php) 2004-05-08
JP2007224040A (ja) 2007-09-06
CN1572768A (zh) 2005-02-02
SA97180510B1 (ar) 2006-03-25
CA2267887A1 (en) 1998-04-30
CN1234019A (zh) 1999-11-03
AU4985597A (en) 1998-05-15
NZ334936A (en) 2000-10-27
HUP0000457A1 (hu) 2000-06-28
DK0934243T3 (da) 2003-12-15
RS49538B (sr) 2006-12-15
WO1998017619A2 (en) 1998-04-30
YU41197A (sh) 1999-09-27
MY124684A (en) 2006-06-30

Similar Documents

Publication Publication Date Title
ID21867A (id) Pembuangan senyawa-senyawa penurun permanganat dan alkil iodida dari suatu arus proses karbonilasi
GB2318418B (en) Method for monitoring the performance of a NOx trap
ID24817A (id) Senyawa protein dan proses untuk memisahkan suatu senyawa protein dari suatu jaringan
NO985072D0 (no) Filter for rensing av en vµske
DK0663190T3 (da) Indretning til lukning af et sår
DK0704294T3 (da) Fremgangsmåde til foring af et mandehul
DK0868374T3 (da) Indretning til indsamling af husholdningsaffald til søs
NO990281D0 (no) Fjerning av forurensede forbindelser fra en polymer
DK0829425T3 (da) Klapindretning til formning af en rørformet pakning
ID25865A (id) Pembuangan turunan azepina dari suatu campuran yang terdiri dari amina dan turunan azapina
DE69507581D1 (de) Einrichtung eines Drehstromfilters
KR960031650U (ko) 하수관의 실링장치
DE69829631D1 (de) ABDICHTUNGSANORDNUNG EINER RoEHRENLAMPE
NO973591L (no) Apparat for destruering av risikoavfall
NO994271D0 (no) FremgangsmÕte for fjerning av en avfallskomponent for et hydrokarbonfluid
GB9301663D0 (en) A trap for a basin waste pipe plug hole
KR950009052U (ko) 하수관의 악취방지구
KR960022563U (ko) 폐수 여과용 스크린 장치
FR2734687B3 (fr) Joint d'etancheite pour un boitier
NO304159B1 (no) Anordning ved et beskyttelsesorgan for r°rseksjon
KR970009876U (ko) 하수도관의 연결부 실링장치
BR7401356U (pt) Filtro para bueiros de ruas
NO964811D0 (no) Element for tetting av fuger ved stöping av betong
HU9800435D0 (en) Gas filter for removing of radioactive materials
KR950030555U (ko) 준설장비용 준설관