JPS6470502A - Separation purification and apparatus for cellulose ether - Google Patents

Separation purification and apparatus for cellulose ether

Info

Publication number
JPS6470502A
JPS6470502A JP63221216A JP22121688A JPS6470502A JP S6470502 A JPS6470502 A JP S6470502A JP 63221216 A JP63221216 A JP 63221216A JP 22121688 A JP22121688 A JP 22121688A JP S6470502 A JPS6470502 A JP S6470502A
Authority
JP
Japan
Prior art keywords
cellulose ether
separation purification
purification
separation
cellulose
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.)
Pending
Application number
JP63221216A
Other languages
English (en)
Inventor
Reeze Buirufuriito
Buyusuto Buiri
Kiyuune Noruberuto
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of JPS6470502A publication Critical patent/JPS6470502A/ja
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/668—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with valves, e.g. rotating valves for coaxially placed filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/78—Handling the filter cake in the filter for purposes other than for regenerating for washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
    • B01D29/84—Handling the filter cake in the filter for purposes other than for regenerating for drying by gases or by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/885—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices with internal recirculation through the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0469—Filter tubes connected to collector tubes
    • B01D2201/0484—Filter tubes connected to collector tubes suspended from collector tubes at the upper side of the filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/08—Regeneration of the filter
    • B01D2201/085—Regeneration of the filter using another chemical than the liquid to be filtered

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
JP63221216A 1987-09-02 1988-09-02 Separation purification and apparatus for cellulose ether Pending JPS6470502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873729268 DE3729268A1 (de) 1987-09-02 1987-09-02 Verfahren und anlage zur abtrennung und reinigung von celluloseethern und anderen cellulosederivaten

Publications (1)

Publication Number Publication Date
JPS6470502A true JPS6470502A (en) 1989-03-16

Family

ID=6335028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63221216A Pending JPS6470502A (en) 1987-09-02 1988-09-02 Separation purification and apparatus for cellulose ether

Country Status (5)

Country Link
US (1) US4963271A (ja)
EP (1) EP0305898B1 (ja)
JP (1) JPS6470502A (ja)
DE (2) DE3729268A1 (ja)
FI (1) FI93366C (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008018349A (ja) * 2006-07-13 2008-01-31 Asahi Breweries Ltd キャンドル式濾過機におけるエレメントの異常を検出する方法
JP2010502793A (ja) * 2006-09-09 2010-01-28 ダウ ボルフ ケルロジクス ゲゼルシャフト ミット ベシュレンクテル ハフツング ポリサッカリド誘導体を洗浄するための方法
JP2011036855A (ja) * 2009-08-07 2011-02-24 Brunob Ii Bv 濾過ケークの回収方法、およびケーク形成・洗浄濾過用装置
US8559895B2 (en) 2005-03-29 2013-10-15 Qualcomm Incorporated Antenna array pattern distortion mitigation
KR20170054351A (ko) 2012-11-16 2017-05-17 신에쓰 가가꾸 고교 가부시끼가이샤 정제 저치환도 히드록시프로필셀룰로오스의 제조 방법

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5175355A (en) * 1991-04-12 1992-12-29 Amoco Corporation Improved process for recovery of purified terephthalic acid
WO1992018453A1 (en) * 1991-04-12 1992-10-29 Amoco Corporation Process for preparation of terephthalic acid
DE4134662A1 (de) * 1991-10-19 1993-04-22 Henkel Kgaa Verfahren zum abtrennen von celluloseether und anderen cellulosederivaten
US5389244A (en) * 1993-06-21 1995-02-14 Cranston; Michael T. Pressure and vacuum filtration and washing device
IT1282718B1 (it) * 1996-02-29 1998-03-31 Movengineering S R L Procedimento ed apparecchiatura per la pulizia in situ,senza rimozione degli elementi filtranti,di filtri sporchi di polimeri
DE59801854D1 (de) * 1997-01-21 2001-11-29 Wolff Walsrode Ag Verfahren zur herstellung von feinteiligen polysaccharidderivaten
DE10053649A1 (de) * 2000-10-28 2002-05-16 Urs Rothenbach Filtereinrichtung
EP1205226A1 (de) * 2000-11-07 2002-05-15 Knoll Maschinenbau Gmbh Vorrichtung zur Filtrierung von Verunreinigungen enthaltenden Flüssigkeiten
KR100461564B1 (ko) * 2001-11-24 2004-12-14 삼성정밀화학 주식회사 셀룰로스에테르의 제조방법
US7517581B2 (en) 2003-09-26 2009-04-14 Parker-Hannifin Corporation Semipermeable hydrophilic membrane
DE602005010362D1 (de) * 2004-11-02 2008-11-27 Shinetsu Chemical Co Verfahren zur Abtrennung wasserlöslicher Celluloseether
EP1764373B1 (de) 2005-09-17 2016-04-27 Dow Global Technologies LLC Verfahren zur Herstellung von Methylhydroxyalkylcellulose mit einer geringen Anzahl gefärbter Partikel
KR101324897B1 (ko) 2011-12-09 2013-11-04 도레이첨단소재 주식회사 폴리에스테르 제조용 폴리머 필터의 세정방법
AU2016320582A1 (en) * 2015-09-10 2018-04-26 1934612 Ontario Inc. Methods and systems for dewatering solid particles in a contaminated liquid mixture
EP3386603A4 (en) * 2015-12-11 2019-09-04 Enhanced Equipment LLC VACUUM FILTER SYSTEM FOR SOLID-LIQUID SEPARATION AND METHOD FOR FILTERING SOLIDS PARTICLES
EP3806975A1 (en) * 2018-06-13 2021-04-21 Cargill, Incorporated Liquid discharge filter and its use

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451999A (en) * 1965-11-10 1969-06-24 Du Pont Removing aromatic hydrocarbons from carboxymethyl cellulose
US4152267A (en) * 1977-06-08 1979-05-01 Envirotech Corporation Rotary disc vacuum filter
DE3044696A1 (de) * 1980-11-27 1982-06-24 Bayer Ag, 5090 Leverkusen Reinigung von cellulose- und staerkeethern
DE3463898D1 (en) * 1984-03-08 1987-07-02 Heinz Schumacher Method and apparatus for cleaning filter elements, especially for filter candles
US4581446A (en) * 1985-03-15 1986-04-08 The Dow Chemical Company Purification of cellulose ethers
FR2588765B1 (fr) * 1985-10-17 1988-01-15 Gaudfrin Guy Filtre pour liquides charges de particules solides et installation de filtration comprenant un tel filtre
US4790935A (en) * 1986-11-26 1988-12-13 Johnson Willard L Filter leaf assembly with bonded spacer and sealer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8559895B2 (en) 2005-03-29 2013-10-15 Qualcomm Incorporated Antenna array pattern distortion mitigation
JP2008018349A (ja) * 2006-07-13 2008-01-31 Asahi Breweries Ltd キャンドル式濾過機におけるエレメントの異常を検出する方法
JP2010502793A (ja) * 2006-09-09 2010-01-28 ダウ ボルフ ケルロジクス ゲゼルシャフト ミット ベシュレンクテル ハフツング ポリサッカリド誘導体を洗浄するための方法
JP2011036855A (ja) * 2009-08-07 2011-02-24 Brunob Ii Bv 濾過ケークの回収方法、およびケーク形成・洗浄濾過用装置
KR20170054351A (ko) 2012-11-16 2017-05-17 신에쓰 가가꾸 고교 가부시끼가이샤 정제 저치환도 히드록시프로필셀룰로오스의 제조 방법
US10174128B2 (en) 2012-11-16 2019-01-08 Shin-Etsu Chemical Co., Ltd. Method for producing purified low-substituted hydroxypropyl cellulose

Also Published As

Publication number Publication date
DE3729268A1 (de) 1989-03-16
EP0305898A3 (en) 1990-03-07
DE3871290D1 (de) 1992-06-25
FI93366B (fi) 1994-12-15
FI884035A0 (fi) 1988-09-01
EP0305898A2 (de) 1989-03-08
EP0305898B1 (de) 1992-05-20
FI884035A (fi) 1989-03-03
US4963271A (en) 1990-10-16
FI93366C (fi) 1995-03-27

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