ATE169351T1 - Verfahren zur reinigung von zurückgewonnenen n- methylmorpholin-n-oxid-lösungen - Google Patents

Verfahren zur reinigung von zurückgewonnenen n- methylmorpholin-n-oxid-lösungen

Info

Publication number
ATE169351T1
ATE169351T1 AT95106176T AT95106176T ATE169351T1 AT E169351 T1 ATE169351 T1 AT E169351T1 AT 95106176 T AT95106176 T AT 95106176T AT 95106176 T AT95106176 T AT 95106176T AT E169351 T1 ATE169351 T1 AT E169351T1
Authority
AT
Austria
Prior art keywords
methylmorpholine
oxide
solution
oxidant
aqueous
Prior art date
Application number
AT95106176T
Other languages
English (en)
Inventor
Seop Lee Wha
Mu Jo Seong
Soo Park Chong
Keun Hong Yong
Original Assignee
Korea Inst Sci & Tech
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19381829&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE169351(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Korea Inst Sci & Tech filed Critical Korea Inst Sci & Tech
Application granted granted Critical
Publication of ATE169351T1 publication Critical patent/ATE169351T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
    • D01F13/02—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of cellulose, cellulose derivatives or proteins
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D265/28—1,4-Oxazines; Hydrogenated 1,4-oxazines
    • C07D265/30—1,4-Oxazines; Hydrogenated 1,4-oxazines not condensed with other rings
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/10—Filtering or de-aerating the spinning solution or melt
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
AT95106176T 1994-04-27 1995-04-25 Verfahren zur reinigung von zurückgewonnenen n- methylmorpholin-n-oxid-lösungen ATE169351T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940008948A KR0125960B1 (ko) 1994-04-27 1994-04-27 회수한 n-메틸몰포린 n-옥사이드 수용액의 탈색정제방법

Publications (1)

Publication Number Publication Date
ATE169351T1 true ATE169351T1 (de) 1998-08-15

Family

ID=19381829

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95106176T ATE169351T1 (de) 1994-04-27 1995-04-25 Verfahren zur reinigung von zurückgewonnenen n- methylmorpholin-n-oxid-lösungen

Country Status (6)

Country Link
US (1) US5611932A (de)
EP (1) EP0679739B1 (de)
KR (1) KR0125960B1 (de)
AT (1) ATE169351T1 (de)
DE (1) DE69503826T2 (de)
ES (1) ES2120656T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5891370A (en) * 1994-12-15 1999-04-06 Akzo Nobel Nv Process for producing cellulosic moldings
AT404033B (de) * 1996-07-02 1998-07-27 Chemiefaser Lenzing Ag Verfahren zur herstellung einer wässrigen lösung von n-methylmorpholin-n-oxid
DE19821176C2 (de) * 1998-05-12 2001-02-08 Ostthueringische Materialpruef Verfahren zur Aufbereitung wäßriger N-Methylmorpholin-N-oxid-Lösungen
US6409883B1 (en) 1999-04-16 2002-06-25 Kimberly-Clark Worldwide, Inc. Methods of making fiber bundles and fibrous structures
US6896809B2 (en) * 2002-12-20 2005-05-24 Providence Health System - Oregon Methods for purifying chitosan
US9512019B2 (en) 2011-10-12 2016-12-06 United Laboratories International, Llc Process for decontamination of hazardous sulfur compounds in sour water tanks
CN105921131A (zh) * 2016-05-24 2016-09-07 马鞍山中创环保科技有限公司 一种银提取材料的制备方法
CN109183199A (zh) * 2018-11-22 2019-01-11 淮安天然丝纺织科技有限公司 一种nmmo溶剂回收浓缩方法
CN110055626A (zh) * 2019-04-23 2019-07-26 福建宏远集团有限公司 一种纺丝n-甲基吗啉-n氧化物溶液的回收方法
CN113651773A (zh) * 2021-09-23 2021-11-16 上海昶法新材料有限公司 一种氧化甲基吗啉的合成和提纯方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1427011A1 (ru) * 1985-08-19 1988-09-30 Предприятие П/Я А-3844 Способ регенерации N-метилморфолин-N-оксида из технологических растворов при производстве гидратцеллюлозных волокон
DE3618352A1 (de) * 1986-05-31 1987-12-03 Huels Chemische Werke Ag Verfahren zur herstellung von waessrigen n-methylmorpholin-n-oxid-loesungen
DD254199B5 (de) * 1986-12-04 1994-01-05 Thueringische Faser Ag Schwarz Verfahren zur reinigung waessriger n-methylmorpholin-n-oxyd-loesungen
DD259863A1 (de) * 1987-04-06 1988-09-07 Schwarza Chemiefaser Verfahren zur herstellung waessriger, reiner n-methylmorpholin-n-oxid-loesungen
DD274435B5 (de) * 1988-08-02 1996-10-31 Thueringisches Inst Textil Verfahren zur Rueckgewinnung von N-Methylmorpholin-N-Oxid
AT392776B (de) * 1989-10-16 1991-06-10 Chemiefaser Lenzing Ag Verfahren zur reinigung waesseriger loesungen von n-methylmorpholin-n-oxid
AT392915B (de) * 1990-03-28 1991-07-10 Chemiefaser Lenzing Ag Verfahren zum abtrennen von wasser aus einer verduennten waesserigen loesung von n-methylmorpholin-n-oxid, n-methylmorpholin und/oder morpholin
AT395246B (de) * 1990-07-16 1992-10-27 Chemiefaser Lenzing Ag Loesung von cellulose in wasser und n-methyl-morpholin-n-oxid
AT395608B (de) * 1990-11-26 1993-02-25 Chemiefaser Lenzing Ag Verfahren zur reinigung von waesserigen n-methylmorpholin-n-oxid-loesungen
GB9125594D0 (en) * 1991-12-02 1992-01-29 Courtaulds Plc Purifying solutions

Also Published As

Publication number Publication date
KR0125960B1 (ko) 1997-12-24
ES2120656T3 (es) 1998-11-01
EP0679739B1 (de) 1998-08-05
EP0679739A1 (de) 1995-11-02
US5611932A (en) 1997-03-18
DE69503826D1 (de) 1998-09-10
KR950029259A (ko) 1995-11-22
DE69503826T2 (de) 1999-04-22

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Legal Events

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UEP Publication of translation of european patent specification