BG60029A3 - Method for the concentration of aqueous solutions of n-methyl-morpholine-n-oxide, n-methylmorpholine, morpholine and their mixtures - Google Patents

Method for the concentration of aqueous solutions of n-methyl-morpholine-n-oxide, n-methylmorpholine, morpholine and their mixtures

Info

Publication number
BG60029A3
BG60029A3 BG94163A BG9416391A BG60029A3 BG 60029 A3 BG60029 A3 BG 60029A3 BG 94163 A BG94163 A BG 94163A BG 9416391 A BG9416391 A BG 9416391A BG 60029 A3 BG60029 A3 BG 60029A3
Authority
BG
Bulgaria
Prior art keywords
morpholine
methylmorpholine
mixtures
methyl
oxide
Prior art date
Application number
BG94163A
Other languages
English (en)
Inventor
Stephan Astegger
Dieter Eichinger
Heinrich Firgo
Karin Weinzierl
Bernd Wolschner
Stefan Zikeli
Original Assignee
At Lenzing Ag
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 At Lenzing Ag filed Critical At Lenzing Ag
Publication of BG60029A3 publication Critical patent/BG60029A3/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C07D295/023—Preparation; Separation; Stabilisation; Use of additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Physical Water Treatments (AREA)
  • Epoxy Compounds (AREA)
BG94163A 1990-03-28 1991-03-28 Method for the concentration of aqueous solutions of n-methyl-morpholine-n-oxide, n-methylmorpholine, morpholine and their mixtures BG60029A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT722/90A AT392915B (de) 1990-03-28 1990-03-28 Verfahren zum abtrennen von wasser aus einer verduennten waesserigen loesung von n-methylmorpholin-n-oxid, n-methylmorpholin und/oder morpholin

Publications (1)

Publication Number Publication Date
BG60029A3 true BG60029A3 (en) 1993-07-15

Family

ID=3498088

Family Applications (1)

Application Number Title Priority Date Filing Date
BG94163A BG60029A3 (en) 1990-03-28 1991-03-28 Method for the concentration of aqueous solutions of n-methyl-morpholine-n-oxide, n-methylmorpholine, morpholine and their mixtures

Country Status (25)

Country Link
US (1) US5118423A (ro)
EP (1) EP0448924B1 (ro)
JP (1) JP3218371B2 (ro)
AT (2) AT392915B (ro)
BG (1) BG60029A3 (ro)
CA (1) CA2039073C (ro)
CZ (1) CZ282688B6 (ro)
DE (1) DE59006371D1 (ro)
DK (1) DK0448924T3 (ro)
ES (1) ES2026434T3 (ro)
FI (1) FI98991C (ro)
GR (1) GR910300141T1 (ro)
HR (1) HRP930457B1 (ro)
HU (1) HU208531B (ro)
IE (1) IE65662B1 (ro)
NO (1) NO176997C (ro)
PL (1) PL170124B1 (ro)
PT (1) PT97166B (ro)
RO (1) RO108452B1 (ro)
RU (1) RU1836129C (ro)
SI (1) SI9110558A (ro)
SK (1) SK279588B6 (ro)
TR (1) TR25231A (ro)
YU (1) YU47532B (ro)
ZA (1) ZA912377B (ro)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396930B (de) * 1992-01-23 1993-12-27 Chemiefaser Lenzing Ag Aminoxide
KR0125960B1 (ko) * 1994-04-27 1997-12-24 김은영 회수한 n-메틸몰포린 n-옥사이드 수용액의 탈색정제방법
AT403297B (de) * 1995-08-18 1997-12-29 Chemiefaser Lenzing Ag Verfahren zur selektiven abtrennung von morpholin
US6113799A (en) * 1995-08-18 2000-09-05 Lenzing Aktiengesellschaft Process for selective separation of morpholine
US6096258A (en) * 1998-01-20 2000-08-01 Viskase Corporation Method and apparatus for forming a cellulose article including solvent recovery means
US6241892B1 (en) 1998-06-29 2001-06-05 Nm Tech Research Foundation Method of reducing the contamination level of a solvent purification system, and such solvent purification system
NL1010333C2 (nl) † 1998-10-16 2000-04-18 Artech Rubber B V Samengesteld hulsvormig afdichtingsmiddel.
DE10059111A1 (de) * 2000-11-28 2002-06-06 Thueringisches Inst Textil Proteinformkörper und Verfahren zu seiner Herstellung nach dem NMMO-Verfahren
TWI243164B (en) 2001-02-13 2005-11-11 Aventis Pharma Gmbh Acylated indanyl amines and their use as pharmaceuticals
CN102167465A (zh) * 2011-03-17 2011-08-31 天津工业大学 一种纺丝废液的浓缩回收方法
CN103046167B (zh) * 2012-11-28 2014-12-24 上海聚友化工有限公司 溶剂法纤维素纤维生产中n-甲基吗啉-n-氧化物溶剂蒸发脱水的方法
EP3339288A1 (de) 2016-12-23 2018-06-27 Aurotec GmbH Herstellung eines aminoxids durch oxidation eines tertiären amins
EP3741887A1 (de) 2019-05-21 2020-11-25 Aurotec GmbH Verfahren und vorrichtung zum regenerieren eines lösungsmittels von zellulose aus einem spinnverfahren
CN114539186A (zh) * 2021-07-02 2022-05-27 华茂伟业绿色科技股份有限公司 Nmmo的纯化方法、系统及得到的nmmo水合物晶体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1144048A (en) * 1914-09-19 1915-06-22 John P Mueller Box-car door.
DE1066991B (ro) * 1954-02-10
NL269380A (ro) * 1960-09-19
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
US4944882A (en) * 1989-04-21 1990-07-31 Bend Research, Inc. Hybrid membrane separation systems

Also Published As

Publication number Publication date
PL289627A1 (en) 1991-10-21
NO176997B (no) 1995-03-27
CZ282688B6 (cs) 1997-09-17
NO911206D0 (no) 1991-03-25
SK279588B6 (sk) 1999-01-11
YU55891A (sh) 1994-06-24
PT97166A (pt) 1991-12-31
DE59006371D1 (de) 1994-08-11
AT392915B (de) 1991-07-10
ATA72290A (de) 1990-12-15
FI98991B (fi) 1997-06-13
JPH0655037A (ja) 1994-03-01
NO176997C (no) 1995-07-05
HU910869D0 (en) 1991-09-30
CS9100790A2 (en) 1991-11-12
CA2039073C (en) 2001-06-05
ATE108087T1 (de) 1994-07-15
RU1836129C (ru) 1993-08-23
YU47532B (sh) 1995-10-03
HU208531B (en) 1993-11-29
EP0448924B1 (de) 1994-07-06
SI9110558A (sl) 1998-02-28
IE65662B1 (en) 1995-11-15
FI911459A0 (fi) 1991-03-26
ZA912377B (en) 1992-01-29
PL170124B1 (pl) 1996-10-31
TR25231A (tr) 1993-01-01
HRP930457B1 (en) 1999-04-30
US5118423A (en) 1992-06-02
ES2026434T1 (es) 1992-05-01
DK0448924T3 (da) 1994-08-01
HRP930457A2 (en) 1996-02-29
EP0448924A1 (de) 1991-10-02
JP3218371B2 (ja) 2001-10-15
NO911206L (no) 1991-09-30
CA2039073A1 (en) 1991-09-29
FI911459A (fi) 1991-09-29
ES2026434T3 (es) 1994-10-16
IE911019A1 (en) 1991-10-09
RO108452B1 (ro) 1994-05-31
HUT57747A (en) 1991-12-30
FI98991C (fi) 1997-09-25
GR910300141T1 (en) 1992-06-30
PT97166B (pt) 1998-07-31

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