[go: up one dir, main page]

BE847076A - Adjuvant pour ameliorer la retention de solides, l'elimination de l'eau et la preparation de suspensions, son procede d'obtention et son application - Google Patents

Adjuvant pour ameliorer la retention de solides, l'elimination de l'eau et la preparation de suspensions, son procede d'obtention et son application

Info

Publication number
BE847076A
BE847076A BE171339A BE171339A BE847076A BE 847076 A BE847076 A BE 847076A BE 171339 A BE171339 A BE 171339A BE 171339 A BE171339 A BE 171339A BE 847076 A BE847076 A BE 847076A
Authority
BE
Belgium
Prior art keywords
suspensions
elimination
solids
retention
improving
Prior art date
Application number
BE171339A
Other languages
English (en)
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 BE847076A publication Critical patent/BE847076A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B20/00—Purification of sugar juices
    • C13B20/12—Purification of sugar juices using adsorption agents, e.g. active carbon
    • C13B20/126—Organic agents, e.g. polyelectrolytes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F120/52—Amides or imides
    • C08F120/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F120/56—Acrylamide; Methacrylamide
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
BE171339A 1975-10-08 1976-10-08 Adjuvant pour ameliorer la retention de solides, l'elimination de l'eau et la preparation de suspensions, son procede d'obtention et son application BE847076A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752545007 DE2545007B2 (de) 1975-10-08 1975-10-08 Lineares, hochmolekulares acrylamid-homopolymerisat und seine verwendung als hilfsmittel zur verbesserung der retention, entwaesserung und aufbereitung

Publications (1)

Publication Number Publication Date
BE847076A true BE847076A (fr) 1977-04-08

Family

ID=5958602

Family Applications (1)

Application Number Title Priority Date Filing Date
BE171339A BE847076A (fr) 1975-10-08 1976-10-08 Adjuvant pour ameliorer la retention de solides, l'elimination de l'eau et la preparation de suspensions, son procede d'obtention et son application

Country Status (6)

Country Link
US (1) US4103080A (fr)
BE (1) BE847076A (fr)
DE (1) DE2545007B2 (fr)
FR (1) FR2328002A1 (fr)
GB (1) GB1550143A (fr)
NL (1) NL7611178A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608689B2 (ja) * 1979-08-21 1985-03-05 日東化学工業株式会社 アクリルアミド系重合体の製造法
US4473689A (en) * 1979-12-26 1984-09-25 Basf Wyandotte Corporation Process for the aqueous polymerization of acrylamide
US4282340A (en) * 1980-01-11 1981-08-04 Basf Wyandotte Corporation Polymerization process for preparation of acrylamide homopolymers with redox catalyst
US4433727A (en) * 1981-06-19 1984-02-28 Marathon Oil Company Oil recovery process
GB8531558D0 (en) * 1985-12-21 1986-02-05 Wiggins Teape Group Ltd Loaded paper
US5478879A (en) * 1991-01-22 1995-12-26 Nippon Shokubai Co., Ltd. Method for production of absorbent resin
DE4141485A1 (de) * 1991-12-16 1993-06-17 Allied Colloids Gmbh Verfahren zur aufbereitung und/oder entsorgung von bohrspuelungen
JPH08269890A (ja) * 1995-03-30 1996-10-15 Nippon P M C Kk 製紙用添加剤及び製紙方法
US8206553B2 (en) 2005-06-24 2012-06-26 Hercules Incorporated Retention and drainage in the manufacture of paper
US20060289136A1 (en) * 2005-06-24 2006-12-28 Doherty Erin A S Retention and drainage in the manufacture of paper
US8816031B2 (en) * 2006-03-06 2014-08-26 Harima Chemicals, Inc. Water-soluble polymer and additive for paper manufacture
CN102731699B (zh) * 2011-04-01 2014-08-06 中国石油化工股份有限公司 一种超高分子量阴离子型聚丙烯酰胺的制备方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US357326A (en) * 1887-02-08 Chael-es w
US298371A (en) * 1884-05-13 geavee
DE920876C (de) * 1942-10-05 1954-12-02 Cassella Farbwerke Mainkur Ag Verfahren zur Herstellung von wasserloeslichen Polyacrylsaeureamiden
DE1645066B2 (de) * 1951-01-28 1973-08-23 Verfahren zur herstellung von hochmolekularen, wasserloeslichen polyacrylamiden
US2983717A (en) * 1957-07-25 1961-05-09 American Cyanamid Co Polymerization process for watersoluble polymers
US3002960A (en) * 1958-08-18 1961-10-03 American Cyanamid Co Polyacrylamide preparation
DE1068013B (de) * 1958-08-22 1959-10-29 Henkel 6. Cie. G.m.b.H., Düsseldorf -Holthausen Verfahren zur Herstellung von konzentrierten wäßrigen Polyacrylsäureamid - Lösungen
US3242152A (en) * 1961-02-28 1966-03-22 Kerr Mc Gee Oil Ind Inc Polymerization of purified acrylamide monomer, the resulting polyacrylamide, and process for flocculating suspended solids therewith
US3332922A (en) * 1963-05-13 1967-07-25 Calgon Corp Acrylamide polymers prepared in the presence of a redox catalyst system wherein a constant free-radical concentration is maintained
US3336269A (en) * 1964-04-07 1967-08-15 Hercules Inc Preparation of acrylamide-type water-soluble polymers
DE1645065B2 (de) * 1966-02-22 1973-11-29 Nautschno-Issledowatelskij Fisikochimitschesky Institut Imeni S.J. Karpowa, Moskau Verfahren zur Herstellung von hoch molekularen, wasserlöslichen Polyacrylami den
DE1795705C3 (de) * 1966-02-22 1979-01-04 Nautschno-Issledovatelskij Fiziko Chimitschesky Institut Imeni L.J. Karpova, Mos Verfahren zur Herstellung von hochmolekularen wasserlöslichen PoIyacrylainiden
DE1959452A1 (de) * 1968-11-26 1970-07-23 Ici Ltd Polymerisationsverfahren
US3663518A (en) * 1968-11-29 1972-05-16 Nalco Chemical Co Process for preparing acrylamide polymers
CA923230A (en) * 1969-05-09 1973-03-20 Nalco Chemical Company Sewage treatment
DE2039402B2 (de) * 1969-08-11 1973-11-15 Nitto Chemical Industry Co. Ltd., Tokio Verfahren zur Herstellung von Papier
US3899471A (en) * 1971-10-21 1975-08-12 Gaf Corp Dialkylaminoethyl vinyl ether interpolymers
DE2422794C3 (de) * 1973-05-12 1980-08-21 Nitto Chemical Industry Co., Ltd., Tokio Verfahren zur Herstellung von partiell verseiftem Polyacrylsäureamid und seine Verwendung als Flockungsmittel
JPS5246276B2 (fr) * 1974-01-16 1977-11-22

Also Published As

Publication number Publication date
GB1550143A (en) 1979-08-08
NL7611178A (nl) 1977-04-13
FR2328002A1 (fr) 1977-05-13
US4103080A (en) 1978-07-25
DE2545007A1 (de) 1977-04-14
FR2328002B1 (fr) 1981-01-09
DE2545007B2 (de) 1977-08-11

Similar Documents

Publication Publication Date Title
RO78105A (fr) Procede pour la preparation des 2-chlore-6-nitroanilines
RO76592A (fr) Procede pour la preparation des derives de 1,2,4,-oxadiazoles
RO76935A (fr) Procede pour la preparation des benzophenonhydrazones
RO69545A (fr) Procede pour la preparation des surfaces microporeuses permeables auxvapeurs de l'eau
FR2328002A1 (fr) Adjuvant pour ameliorer la retention de solides, l'elimination de l'eau et la preparation de suspensions, son procede d'obtention et son application
BE822990A (fr) Procede pour la preparation d'hexamethyltetraline
BE839140A (fr) Procede pour l'obtention de n-acyl-l-methionine
RO76562A (fr) Procede pour la preparation des 3-imidazolilbenzo-1,2,4-triazine-1-oxydes
BE838823A (fr) Procede pour la preparation de 1,2,5-dihydroxycholecalciferol
RO82359A (fr) Procede pour la preparation des 4-thiazolidinones
RO78225A (fr) Procede pour la preparation des 3,4-dihydro-3-oxo-2-quinoxalines
BE827125A (fr) Procede ameliore pour la preparation de l'hexanediol-1,6
PT69815A (fr) Procede de preparation de l' o-methallyloxyphenol
BE841260A (fr) Procede pour la preparation de derives de l'oxazole
FR2343803A1 (fr) Procede pour la preparation de particules carbonees depouillees d'eau
FR2422692B1 (fr) Procede pour la production de copolymeres de l'ethylene
RO69196A (fr) Procede pour la preparation des derives de l'indol
BE880031A (fr) Procede pour la preparation de 1 alpha, 3 beta-dihydroxy-delta 5-steroides
BE840527A (fr) Procede pour la preparation d'aminoacides
RO76126A2 (fr) PROCEDE POUR LA PREPARATION DES ACIDES ANTHRAQUINONE-2,6 ET 2,7-œISULFONIQUES
RO81116A (fr) Procede pour la preparation des corticoides
FR2317290A1 (fr) Procede pour la preparation de 5-cyanopyridones-(6)
PT68322A (fr) Procede de preparation d'ethers hydrosolubles de hydroxi-flavones
BE880139A (fr) Procede pour la preparation de chloro-amino-s-triazines
FR2286198A1 (fr) Procede pour la preparation d'agglomeres

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WOLFF WALSRODE A.G.

Effective date: 19871031