FR2096357A5 - - Google Patents

Info

Publication number
FR2096357A5
FR2096357A5 FR7121694A FR7121694A FR2096357A5 FR 2096357 A5 FR2096357 A5 FR 2096357A5 FR 7121694 A FR7121694 A FR 7121694A FR 7121694 A FR7121694 A FR 7121694A FR 2096357 A5 FR2096357 A5 FR 2096357A5
Authority
FR
France
Prior art keywords
water
membranes
june
contact
feed mixture
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.)
Expired
Application number
FR7121694A
Other languages
English (en)
French (fr)
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of FR2096357A5 publication Critical patent/FR2096357A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic 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
    • C07D309/36—Heterocyclic 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
    • C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol
    • 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
    • B01D61/24—Dialysis ; Membrane extraction
    • B01D61/246—Membrane extraction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82—Macromolecular 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/84—Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives
    • C07C253/34—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/786—Separation; Purification; Stabilisation; Use of additives by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/14—Membrane materials having negatively charged functional groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The 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)
FR7121694A 1970-06-16 1971-06-15 Expired FR2096357A5 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2096357A5 true FR2096357A5 (de) 1972-02-11

Family

ID=21945460

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121694A Expired FR2096357A5 (de) 1970-06-16 1971-06-15

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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2125586A1 (de) * 1971-02-18 1972-09-29 Babcock & Wilcox Ltd
FR2333546A1 (fr) * 1975-12-01 1977-07-01 Monsanto Co Procede de separation par membrane de produits organiques neutres a partir d'une solution aqueuse et nouveaux produits ainsi obtenus
EP0190647A2 (de) * 1985-02-01 1986-08-13 Sagami Chemical Research Center Copolymer, daraus hergestellte Trennmembran und Verfahren zum Trennen einer durch Ladungsübertragung wechselwirkenden Substanz aus einem flüssigen Gemisch
EP0425108A2 (de) * 1989-10-23 1991-05-02 Texaco Development Corporation Entwässerung von organischen Sauerstoffverbindungen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087367A (en) * 1987-12-02 1992-02-11 Japan Represented By Ministry Of International Trade And Industry, Director-General Basic Industries Bureau Hydrolyzed membrane and process for the preparation of the same
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
JP7086069B2 (ja) 2017-06-15 2022-06-17 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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2125586A1 (de) * 1971-02-18 1972-09-29 Babcock & Wilcox Ltd
FR2333546A1 (fr) * 1975-12-01 1977-07-01 Monsanto Co Procede de separation par membrane de produits organiques neutres a partir d'une solution aqueuse et nouveaux produits ainsi obtenus
EP0190647A2 (de) * 1985-02-01 1986-08-13 Sagami Chemical Research Center Copolymer, daraus hergestellte Trennmembran und Verfahren zum Trennen einer durch Ladungsübertragung wechselwirkenden Substanz aus einem flüssigen Gemisch
EP0190647A3 (de) * 1985-02-01 1988-10-12 Sagami Chemical Research Center Copolymer, daraus hergestellte Trennmembran und Verfahren zum Trennen einer durch Ladungsübertragung wechselwirkenden Substanz aus einem flüssigen Gemisch
EP0425108A2 (de) * 1989-10-23 1991-05-02 Texaco Development Corporation Entwässerung von organischen Sauerstoffverbindungen
EP0425108A3 (en) * 1989-10-23 1991-08-28 Texaco Development Corporation Dehydration of organic oxygenates

Also Published As

Publication number Publication date
DE2129723C3 (de) 1981-08-20
DE2129723A1 (de) 1971-12-23
NL170374C (nl) 1982-11-01
NL7108146A (de) 1971-12-20
GB1351187A (en) 1974-04-24
NL170374B (nl) 1982-06-01
IL37061A (en) 1974-11-29
DE2129723B2 (de) 1980-09-04
BE768540A (fr) 1971-12-15
IL37061A0 (en) 1971-08-25
JPS5410548B1 (de) 1979-05-08

Similar Documents

Publication Publication Date Title
FR2096358A5 (de)
DE69306569D1 (de) Dünnfilmverbundmembran
GB1523537A (en) Process of producing sulphur dioxide from bisulphite
NL155038B (nl) Werkwijze voor het bereiden van een kationenuitwisselende hars, membraan geheel of ten dele daaruit bestaande, alsmede werkwijze voor het fractioneren van oplossingen door osmose met toepassing van een zo verkregen membraan.
FR2096357A5 (de)
KR840009295A (ko) α-L-아스파르틸-L-페닐아라딘 메틸에스테르 및 그의 염산염의 제조방법
GB1484860A (en) Manufacture of boric acid
GB1276792A (en) Acetone purification process
GB1334185A (en) Production of gypsum from combustion exhaust gas
GB1429352A (en) Manufacture of sodium pyrosulphite
FI872046A (fi) Foerfarande foer tillvaratagning av vanillin.
KR830006324A (ko) 루틴 데카 또는 노나(수소-황산염)나트륨염의 제조방법
GB1260733A (en) Membrane separation process
KR830006143A (ko) 가성물질성 추출에 의한 아세토니트릴의 정제방법
IE34250L (en) Purification of itaconic acid by reverse osmosis
MX167847B (es) Procedimiento para impedir la gelificacion de soluiones auosas concentradas de fotoactivador
GB1447354A (en) Process for the preparation of disodium 4,4-diaminostilbene- 2,2-disulphonate
KR890000394A (ko) 하이드록시 안식향산의 제조방법
GB1502850A (en) Purification of sodium carbonate
ES207716A1 (es) UN PROCEDIMIENTO PARA ESTABILIZAR VINOS Y OTROS LiQUIDOS FERMENTADOS
KR910000874A (ko) 유기수용액 분리용 폴리아크릴로니트릴계 투과증발막의 제조방법
GB1408111A (en) Dimethylamine-epichlorohydrin-ammonia polymers and process of making same
KR920006495A (ko) 고정화 초산균(Immobilized acetic acid bacteria)에 의한 식초 제조방법
GB1421449A (en) Process for the production of hydrogen peroxide
KR830005057A (ko) 메타 텅스텐산암모늄 제조방법

Legal Events

Date Code Title Description
ST Notification of lapse