ZA966708B - Process for the purification of an aqueous solution of a tertiary amine-oxide. - Google Patents

Process for the purification of an aqueous solution of a tertiary amine-oxide.

Info

Publication number
ZA966708B
ZA966708B ZA9606708A ZA966708A ZA966708B ZA 966708 B ZA966708 B ZA 966708B ZA 9606708 A ZA9606708 A ZA 9606708A ZA 966708 A ZA966708 A ZA 966708A ZA 966708 B ZA966708 B ZA 966708B
Authority
ZA
South Africa
Prior art keywords
purification
oxide
aqueous solution
tertiary amine
tertiary
Prior art date
Application number
ZA9606708A
Other languages
English (en)
Inventor
Eduard Muelleder
Bruno Mangeng
Franz Schwenninger
Johann Maenner
Original Assignee
Chemiefaser 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 Chemiefaser Lenzing Ag filed Critical Chemiefaser Lenzing Ag
Publication of ZA966708B publication Critical patent/ZA966708B/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
    • C07D295/22—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 with hetero atoms directly attached to ring nitrogen atoms
    • C07D295/28—Nitrogen atoms
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
ZA9606708A 1995-08-18 1996-08-07 Process for the purification of an aqueous solution of a tertiary amine-oxide. ZA966708B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0140095A AT402643B (de) 1995-08-18 1995-08-18 Verfahren zur reinigung einer wässrigen lösung verfahren zur reinigung einer wässrigen lösung eines tertiären aminoxids eines tertiären aminoxids

Publications (1)

Publication Number Publication Date
ZA966708B true ZA966708B (en) 1997-02-18

Family

ID=3513074

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9606708A ZA966708B (en) 1995-08-18 1996-08-07 Process for the purification of an aqueous solution of a tertiary amine-oxide.

Country Status (14)

Country Link
US (1) US5773655A (fr)
EP (1) EP0783606B1 (fr)
JP (1) JPH10507498A (fr)
KR (1) KR100423084B1 (fr)
CN (1) CN1069356C (fr)
AT (1) AT402643B (fr)
AU (1) AU699512B2 (fr)
BR (1) BR9606589A (fr)
CA (1) CA2202625A1 (fr)
DE (1) DE59611015D1 (fr)
NO (1) NO310835B1 (fr)
TW (1) TW336958B (fr)
WO (1) WO1997007268A1 (fr)
ZA (1) ZA966708B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5847129A (en) * 1995-08-18 1998-12-08 Lenzing Aktiengesellschaft Process for the regeneration of an aqueous process liquid of the amine-oxide process
US6113799A (en) * 1995-08-18 2000-09-05 Lenzing Aktiengesellschaft Process for selective separation of morpholine
US5904818A (en) * 1995-08-18 1999-05-18 Lenzing Aktiengesellschaft Process for the regeneration of an aqueous process liquid of the amine-oxide process
AT406387B (de) 1998-09-15 2000-04-25 Chemiefaser Lenzing Ag Verfahren zur aufarbeitung bzw. reinigung von wässerigen lösungen eines tertiären aminoxides
FR2815684B1 (fr) 2000-10-25 2003-06-27 Delphi Tech Inc Ecran de protection de disque de frein et ensemble pour le raccordement a rotation d'une roue a un vehicule routier, comportant un tel ecran
DE102006019334A1 (de) * 2006-04-24 2007-10-25 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. Verfahren zur Abtrennung von Superabsorberpartikeln aus aminoxidhaltigen Spinnbädern
CN109772022A (zh) * 2017-11-11 2019-05-21 恒天纤维集团有限公司 一种溶剂回收的预处理方法
EP3741887A1 (fr) * 2019-05-21 2020-11-25 Aurotec GmbH Procédé et dispositif de régénération d'un solvant de la cellulose provenant d'un procédé de filature
CN112744977A (zh) * 2019-10-31 2021-05-04 连津格股份公司 使用油包水型乳液回收锌的方法
CN111085038A (zh) * 2019-12-26 2020-05-01 江苏环球环境工程集团有限公司 一种环保型天丝溶剂净化处理装置
CN111943340A (zh) * 2020-06-15 2020-11-17 中国纺织科学研究院有限公司 一种Lyocell纺丝凝固浴回收液的净化方法
CN116282623B (zh) * 2022-12-26 2024-06-28 浙江浩铭机械科技有限公司 一种适用于莱赛尔纤维制造后污水处理设备
CN119080311A (zh) * 2024-09-18 2024-12-06 北京三联虹普新合纤技术服务股份有限公司 一种对nmmo溶剂法制备纤维素纤维中nmmo溶剂回收溶液进行纯化的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD254199B5 (de) * 1986-12-04 1994-01-05 Thueringische Faser Ag Schwarz Verfahren zur reinigung waessriger n-methylmorpholin-n-oxyd-loesungen
DD274435B5 (de) * 1988-08-02 1996-10-31 Thueringisches Inst Textil Verfahren zur Rueckgewinnung von N-Methylmorpholin-N-Oxid
US5094690A (en) * 1988-08-16 1992-03-10 Lenzing Aktiengesellschaft Process and arrangement for preparing a solution of cellulose
AT392972B (de) * 1988-08-16 1991-07-25 Chemiefaser Lenzing Ag Verfahren zur herstellung von loesungen von cellulose sowie einrichtung zur durchfuehrung des verfahrens
AT392776B (de) * 1989-10-16 1991-06-10 Chemiefaser Lenzing Ag Verfahren zur reinigung waesseriger loesungen von n-methylmorpholin-n-oxid
AT394582B (de) * 1990-07-24 1992-05-11 Chemiefaser Lenzing Ag Verfahren zur abtrennung von aminoxiden aus waesserigen loesungen
CN1032655C (zh) * 1990-09-03 1996-08-28 国家环境保护局华南环境科学研究所 味精发酵液或废液中菌体分离新方法
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
AT396930B (de) * 1992-01-23 1993-12-27 Chemiefaser Lenzing Ag Aminoxide
ATA43094A (de) * 1994-03-01 1995-04-15 Chemiefaser Lenzing Ag Verfahren zur herstellung cellulosischer formkörper, lösung eines tert. aminoxids und ihre aufarbeitung
CN1110254A (zh) * 1995-03-12 1995-10-18 井庆有 一种复合污水絮凝剂的制备及应用

Also Published As

Publication number Publication date
CA2202625A1 (fr) 1997-02-27
NO310835B1 (no) 2001-09-03
EP0783606B1 (fr) 2004-05-26
BR9606589A (pt) 1997-11-18
WO1997007268A1 (fr) 1997-02-27
NO971723D0 (no) 1997-04-15
EP0783606A1 (fr) 1997-07-16
AU699512B2 (en) 1998-12-03
CN1069356C (zh) 2001-08-08
DE59611015D1 (de) 2004-07-01
CN1163639A (zh) 1997-10-29
AU6695696A (en) 1997-03-12
NO971723L (no) 1997-06-10
KR100423084B1 (ko) 2004-06-18
JPH10507498A (ja) 1998-07-21
TW336958B (en) 1998-07-21
US5773655A (en) 1998-06-30
ATA140095A (de) 1996-11-15
AT402643B (de) 1997-07-25

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