NL7108146A - - Google Patents

Info

Publication number
NL7108146A
NL7108146A NL7108146A NL7108146A NL7108146A NL 7108146 A NL7108146 A NL 7108146A NL 7108146 A NL7108146 A NL 7108146A NL 7108146 A NL7108146 A NL 7108146A NL 7108146 A NL7108146 A NL 7108146A
Authority
NL
Netherlands
Prior art keywords
water
membranes
june
contact
feed mixture
Prior art date
Application number
NL7108146A
Other languages
English (en)
Other versions
NL170374C (nl
NL170374B (nl
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 filed Critical
Publication of NL7108146A publication Critical patent/NL7108146A/xx
Publication of NL170374B publication Critical patent/NL170374B/xx
Application granted granted Critical
Publication of NL170374C publication Critical patent/NL170374C/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D309/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C07D309/40Oxygen atoms attached in positions 3 and 4, e.g. maltol
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/24Dialysis ; Membrane extraction
    • B01D61/246Membrane extraction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/76Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/38Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82Purification; Separation; Stabilisation; Use of additives
    • C07C209/84Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00Preparation of carboxylic acid nitriles
    • C07C253/32Separation; Purification; Stabilisation; Use of additives
    • C07C253/34Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/786Separation; Purification; Stabilisation; Use of additives by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/14Membrane materials having negatively charged functional groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
NLAANVRAGE7108146,A 1970-06-16 1971-06-14 Werkwijze voor het afscheiden van water uit mengsels van water en formaldehyd. NL170374C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4680070A 1970-06-16 1970-06-16

Publications (3)

Publication Number Publication Date
NL7108146A true NL7108146A (de) 1971-12-20
NL170374B NL170374B (nl) 1982-06-01
NL170374C NL170374C (nl) 1982-11-01

Family

ID=21945460

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7108146,A NL170374C (nl) 1970-06-16 1971-06-14 Werkwijze voor het afscheiden van water uit mengsels van water en formaldehyd.

Country Status (7)

Country Link
JP (1) JPS5410548B1 (de)
BE (1) BE768540A (de)
DE (1) DE2129723C3 (de)
FR (1) FR2096357A5 (de)
GB (1) GB1351187A (de)
IL (1) IL37061A (de)
NL (1) NL170374C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396091A (en) * 1971-02-18 1975-05-29 Babcock & Wilcox Ltd Semi-permeable membranes
US4218312A (en) * 1975-12-01 1980-08-19 Monsanto Company Membrane separation of organics from aqueous solutions
US4758348A (en) * 1985-02-01 1988-07-19 Sagami Chemical Research Center Copolymer, separating membrane made thereof and method for separating charge transfer interactive substance from a liquid mixture containing the same
EP0436720B1 (de) * 1987-12-02 1995-03-15 JAPAN as represented by MINISTER OF INTERNATIONAL TRADE AND INDUSTRY, DIRECTOR GENERAL, BASIC INDUSTRIES BUREAU Hydrolysierte Membran und Verfahren zu deren Herstellung
US4992176A (en) * 1989-10-23 1991-02-12 Texaco Inc. Dehydration of organic oxygenates
DE102013223126A1 (de) * 2013-11-13 2015-05-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von lösemittelstabilen Polymermembranen, Polymermembran sowie Lösung zur Herstellung einer Polymermembran
WO2018230330A1 (ja) 2017-06-15 2018-12-20 株式会社カネカ 水処理用多孔質膜
CN108440306B (zh) * 2018-05-24 2023-11-03 柏川新材料科技(宁波)有限公司 一种四甲基碳酸铵的绿色生产的设备及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953502A (en) * 1955-05-24 1960-09-20 American Oil Co Separation of azeotropic mixtures
BE602045A (de) * 1961-03-08
FR1578019A (de) * 1968-04-29 1969-08-14

Also Published As

Publication number Publication date
DE2129723B2 (de) 1980-09-04
DE2129723A1 (de) 1971-12-23
IL37061A (en) 1974-11-29
JPS5410548B1 (de) 1979-05-08
NL170374C (nl) 1982-11-01
DE2129723C3 (de) 1981-08-20
FR2096357A5 (de) 1972-02-11
NL170374B (nl) 1982-06-01
IL37061A0 (en) 1971-08-25
GB1351187A (en) 1974-04-24
BE768540A (fr) 1971-12-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee