NO792432L - Fremgangsmaate for fremstilling av flokkuleringsmidler - Google Patents

Fremgangsmaate for fremstilling av flokkuleringsmidler

Info

Publication number
NO792432L
NO792432L NO792432A NO792432A NO792432L NO 792432 L NO792432 L NO 792432L NO 792432 A NO792432 A NO 792432A NO 792432 A NO792432 A NO 792432A NO 792432 L NO792432 L NO 792432L
Authority
NO
Norway
Prior art keywords
column
solution
monomers
stated
irradiation
Prior art date
Application number
NO792432A
Other languages
English (en)
Norwegian (no)
Inventor
Jean Boutin
Bernard Guenot
Bruno Jamet
Original Assignee
Rhone Poulenc Ind
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 Ind filed Critical Rhone Poulenc Ind
Publication of NO792432L publication Critical patent/NO792432L/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2321Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by moving liquid and gas in counter current
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2322Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles using columns, e.g. multi-staged columns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237612Oxygen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23765Nitrogen
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/20Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated
    • H01J2237/2001Maintaining constant desired temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/20Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated
    • H01J2237/2002Controlling environment of sample
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/26Electron or ion microscopes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymerisation Methods In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
NO792432A 1978-07-24 1979-07-23 Fremgangsmaate for fremstilling av flokkuleringsmidler NO792432L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7822883A FR2431876A2 (fr) 1978-07-24 1978-07-24 Procede de preparation de solutions aqueuses de monomeres olefiniques en vue d'une photopolymerisation

Publications (1)

Publication Number Publication Date
NO792432L true NO792432L (no) 1980-01-25

Family

ID=9211509

Family Applications (1)

Application Number Title Priority Date Filing Date
NO792432A NO792432L (no) 1978-07-24 1979-07-23 Fremgangsmaate for fremstilling av flokkuleringsmidler

Country Status (14)

Country Link
US (1) US4294676A (fi)
EP (1) EP0008246A1 (fi)
JP (1) JPS584687B2 (fi)
AT (1) AT369391B (fi)
AU (1) AU532382B2 (fi)
BR (1) BR7904697A (fi)
CA (1) CA1123375A (fi)
DK (1) DK309279A (fi)
ES (1) ES482758A1 (fi)
FI (1) FI65267C (fi)
FR (1) FR2431876A2 (fi)
HU (1) HU182660B (fi)
NO (1) NO792432L (fi)
RO (1) RO78872B (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4508687A (en) * 1983-06-20 1985-04-02 Houghton Richard W Degassing/brine tank for pool chlorinating system
US5358611A (en) * 1993-05-17 1994-10-25 Rohm And Haas Company Method of reducing impurities in aqueous monomer solutions
US6423235B1 (en) * 1999-08-18 2002-07-23 Nittetu Chemical Engineering Ltd. Column gas-liquid contacting apparatus and its use thereof
US7879267B2 (en) 2001-08-02 2011-02-01 J&J Vision Care, Inc. Method for coating articles by mold transfer
US7485672B2 (en) * 2001-08-02 2009-02-03 Johnson & Johnson Vision Care, Inc. Process for the synthesis of soluble, high molecular weight polymers
GB0202990D0 (en) * 2002-02-08 2002-03-27 Ciba Spec Chem Water Treat Ltd Apparatus and method for degassing liquids
DE10235643A1 (de) * 2002-08-02 2004-02-19 Cognis Deutschland Gmbh & Co. Kg Überwachung der Stabilität von vinylogen Verbindungen
JP4713167B2 (ja) * 2005-01-21 2011-06-29 株式会社日本触媒 吸水性樹脂の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912607A (en) * 1969-10-22 1975-10-14 Rhone Progil Process for obtaining high molecular weight water-soluble acrylic polymers and copolymers using radiation
DE2545290A1 (de) * 1975-10-09 1977-04-21 Roehm Gmbh Verfahren zum polymerisieren mittels uv-licht
DE2546279A1 (de) * 1975-10-16 1977-04-21 Bayer Ag Verfahren und vorrichtung zum loesen von feststoffen in loesungsmitteln
FR2348227A1 (fr) * 1976-04-14 1977-11-10 Rhone Poulenc Ind Perfectionnement aux procedes de preparation de polymeres acryliques hydrosolubles par photopolymerisation

Also Published As

Publication number Publication date
ATA507079A (de) 1982-05-15
DK309279A (da) 1980-01-25
RO78872B (ro) 1983-02-28
FI792298A (fi) 1980-01-25
AT369391B (de) 1982-12-27
FI65267C (fi) 1984-04-10
RO78872A (ro) 1983-02-15
FR2431876B2 (fi) 1982-02-12
AU4905979A (en) 1980-01-31
JPS5562903A (en) 1980-05-12
FR2431876A2 (fr) 1980-02-22
FI65267B (fi) 1983-12-30
BR7904697A (pt) 1980-05-27
HU182660B (en) 1984-02-28
EP0008246A1 (fr) 1980-02-20
AU532382B2 (en) 1983-09-29
JPS584687B2 (ja) 1983-01-27
ES482758A1 (es) 1980-07-01
CA1123375A (fr) 1982-05-11
US4294676A (en) 1981-10-13

Similar Documents

Publication Publication Date Title
US4178221A (en) Process for the preparation of water-soluble acrylic polymers by photopolymerization
DE3752077T2 (de) Verfahren und Vorrichtung zur Herstellung einer Hochtemperatur-Kunststofflichtleitfaser
CA1258338A (en) Continuous solution polymerisation to water-containing cross-linked gel polymer
NO792432L (no) Fremgangsmaate for fremstilling av flokkuleringsmidler
US7601786B2 (en) Tubular reactor with coaxial cylinders and process using this reactor
CA2919320C (en) Reverse-phase polymerisation process
JP5749762B2 (ja) 少なくとも1種類の水溶性n−ビニルラクタムと少なくとも1種類の疎水性コモノマーの水溶性非混濁性コポリマーを製造する方法
CN108003270B (zh) 一种降低丙烯酸残留的吸水树脂及其制备方法
Ramos et al. Mass transfer improvement of a fixed-bed anaerobic sequencing batch reactor with liquid-phase circulation
NO153734B (no) Fremgangsmaate for fremstilling av vannloeslige organiske akrylpolymerer ved ultrafiolett-bestraaling
FI58780B (fi) Foerfarande foer framstaellning av stabila vatten-i-olja-emulsioner av vattenloesliga polymerer
GB2116571A (en) Water-in-oil emulsions of water-soluble polymers
JPS57128301A (en) Manufacture for light conducting array
NL8006289A (nl) Werkwijze voor het zuiveren van een organische stoffen bevattende afvalwaterstroom.
RU2561278C1 (ru) Способ получения прозрачных металлсодержащих полимеризуемых композиций
CA2957904C (en) Composition for water treatment and methods of manufacture
JPS608681B2 (ja) 凝集性重合体
US2893937A (en) Method of making polymers
JPH0264106A (ja) 吸水性樹脂の製造法
Price et al. Polymerization of microemulsions to yield functionalised absorbent membranes
EP1377371A1 (fr) Procede photochimique semi-continu et dispositif pour sa mise en oeuvre
Fang et al. Note Kinetics of Radiation-Induced Graft Copolymerization of 2-Hydroxyethyl Methacrylate Onto Silicone Rubber Films
JP5448395B2 (ja) 紫外線照射装置、ベルト重合機、及び、水溶性重合体の製造方法
WO1993004096A1 (en) Polymers of acrylamidoalkyl-sulphonic acids
TW200819491A (en) Method of manufacturing high absorbent hydrogel fiber