FR2171964A1 - Osmotic membrane - comprises cellulose deriv contg insol copper - Google Patents

Osmotic membrane - comprises cellulose deriv contg insol copper

Info

Publication number
FR2171964A1
FR2171964A1 FR7205361A FR7205361A FR2171964A1 FR 2171964 A1 FR2171964 A1 FR 2171964A1 FR 7205361 A FR7205361 A FR 7205361A FR 7205361 A FR7205361 A FR 7205361A FR 2171964 A1 FR2171964 A1 FR 2171964A1
Authority
FR
France
Prior art keywords
copper
deriv
insol
contg
membrane
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.)
Granted
Application number
FR7205361A
Other languages
English (en)
French (fr)
Other versions
FR2171964B1 (esLanguage
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 Rhone Poulenc SA filed Critical Rhone Poulenc SA
Priority to FR7205361A priority Critical patent/FR2171964A1/fr
Publication of FR2171964A1 publication Critical patent/FR2171964A1/fr
Application granted granted Critical
Publication of FR2171964B1 publication Critical patent/FR2171964B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14Dynamic membranes
    • B01D69/141Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/148Organic/inorganic mixed matrix membranes
    • 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
    • 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
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • 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
    • B01D71/08Polysaccharides
    • B01D71/12Cellulose derivatives
    • 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
    • B01D71/08Polysaccharides
    • B01D71/12Cellulose derivatives
    • B01D71/14Esters of organic acids
    • B01D71/16Cellulose acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7205361A 1972-02-17 1972-02-17 Osmotic membrane - comprises cellulose deriv contg insol copper Granted FR2171964A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7205361A FR2171964A1 (en) 1972-02-17 1972-02-17 Osmotic membrane - comprises cellulose deriv contg insol copper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7205361A FR2171964A1 (en) 1972-02-17 1972-02-17 Osmotic membrane - comprises cellulose deriv contg insol copper

Publications (2)

Publication Number Publication Date
FR2171964A1 true FR2171964A1 (en) 1973-09-28
FR2171964B1 FR2171964B1 (esLanguage) 1974-08-30

Family

ID=9093655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7205361A Granted FR2171964A1 (en) 1972-02-17 1972-02-17 Osmotic membrane - comprises cellulose deriv contg insol copper

Country Status (1)

Country Link
FR (1) FR2171964A1 (esLanguage)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091554A (en) * 1960-07-01 1963-05-28 American Viscose Corp Oxidation resistant cellulosic pellicle and process for the manufacture thereof
US3373056A (en) * 1964-08-28 1968-03-12 Aerojet General Co Modifying cellulose ester osmotic membranes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091554A (en) * 1960-07-01 1963-05-28 American Viscose Corp Oxidation resistant cellulosic pellicle and process for the manufacture thereof
US3373056A (en) * 1964-08-28 1968-03-12 Aerojet General Co Modifying cellulose ester osmotic membranes

Also Published As

Publication number Publication date
FR2171964B1 (esLanguage) 1974-08-30

Similar Documents

Publication Publication Date Title
CA1011097A (en) Aqueous sea water drilling fluid
JPS5226380A (en) Method of making semipermeable membranes
JPS5293679A (en) Manufacture of semipermeable membrane
ES415568A1 (es) Un dispositivo osmotico para dispensar un agente util a unavelocidad controlada.
ES8201473A1 (es) Perfeccionamientos introducidos en una lamina compuesta, en particular lamina de recubrimiento de asientos de retrete.
ES451454A1 (es) Procedimiento continuo para la preparacion de soluciones a- cuosas concentradas de hidrato de hidrazina.
FR2171964A1 (en) Osmotic membrane - comprises cellulose deriv contg insol copper
FR2179267A1 (en) Etching copper - with alkaline soln contg ammonium salt for dissolving copper, and complex former
IE39536L (en) Underwater paint applicator
CA999604A (en) Corrosion inhibition in a ligand recovery process using aromatic sorbent solutions of cuprous salts
ES422663A1 (es) Procedimiento para formar peliculas de microcapsulas de ba-ja porosidad.
JPS51140885A (en) A process for production of semipermeable film material
JPS536627A (en) Hollow fibers
GB1463324A (en) Process for recovering glycol from waste water
Banks et al. The Mechanism of Desalination by Reverse Osmosis, and Its Relation to Membrane Structure
FR2189425A1 (en) Polymer deposit removal - from reactor wall by contacting with alkaline soln and treating mechanically
GB1313850A (en) Inflatable structures
JPS52120978A (en) Washing method of semipermeable membrane
FR2217070A1 (en) Cellulose acetate sieve-membrane filters - with smooth, round pore open-ings, made by evapn. of organic solns. contg. metal salts
JPS618494U (ja) 海水淡水化装置
CH534108A (de) Verfahren und Vorrichtung zur Wasseraufbereitung von stehenden Gewässern
FR2030286A1 (fr) Procede de fabrication d'electrodes poreuses,contenant de l'argent,pour des piles electrochimiques
Iyer Influence of Some Cation-Citrate Combinations on the Corrosion and Anodic Behavior of Aluminum in Sodium Hydroxide Solution
FR2174816A1 (en) Dissolving copper from substrates - by oxidising copper to cuprous ions using cupric ions
Baum et al. Study of Methods to Retard Compaction of Cellulose Acetate Membranes in Reverse Osmosis Desalination

Legal Events

Date Code Title Description
ST Notification of lapse