CH487299A - Verwendung von Flotationsmitteln für die Faser- und Füllstoffrückgewinnung aus Papiermaschinenabwässern - Google Patents

Verwendung von Flotationsmitteln für die Faser- und Füllstoffrückgewinnung aus Papiermaschinenabwässern

Info

Publication number
CH487299A
CH487299A CH602567A CH602567A CH487299A CH 487299 A CH487299 A CH 487299A CH 602567 A CH602567 A CH 602567A CH 602567 A CH602567 A CH 602567A CH 487299 A CH487299 A CH 487299A
Authority
CH
Switzerland
Prior art keywords
fiber
paper machine
flotation agents
machine wastewater
filler recovery
Prior art date
Application number
CH602567A
Other languages
English (en)
Inventor
Wolfgang Dr Lehmann
Heinz Dr Ziemann
Tretter Hermann
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of CH487299A publication Critical patent/CH487299A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/32—Epoxy compounds containing three or more epoxy groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
    • C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
    • C08G65/2609—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Epoxy Resins (AREA)
CH602567A 1966-04-30 1967-04-27 Verwendung von Flotationsmitteln für die Faser- und Füllstoffrückgewinnung aus Papiermaschinenabwässern CH487299A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0049081 1966-04-30

Publications (1)

Publication Number Publication Date
CH487299A true CH487299A (de) 1970-03-15

Family

ID=7102715

Family Applications (1)

Application Number Title Priority Date Filing Date
CH602567A CH487299A (de) 1966-04-30 1967-04-27 Verwendung von Flotationsmitteln für die Faser- und Füllstoffrückgewinnung aus Papiermaschinenabwässern

Country Status (8)

Country Link
US (1) US3575797A (de)
AT (1) AT275312B (de)
CH (1) CH487299A (de)
DE (1) DE1546290A1 (de)
FI (1) FI45254C (de)
GB (1) GB1179493A (de)
NO (1) NO123112B (de)
SE (1) SE326368B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE816132A (fr) * 1973-06-11 1974-12-10 Nouveaux polymeres d'ionenes et procedes pour leur preparation
DE2436386C2 (de) * 1974-07-29 1982-09-23 Basf Ag, 6700 Ludwigshafen Verwendung stickstoffhaltiger Kondensationsprodukte
DE2733973A1 (de) * 1977-07-28 1979-02-15 Basf Ag Wasserloesliche, vernetzte stickstoffhaltige kondensationsprodukte
FI89729C (fi) * 1992-04-14 1993-11-10 Keskuslaboratorio Foerfarande foer separering och aotervinning av pigment
PE20100438A1 (es) * 2008-06-05 2010-07-14 Georgia Pacific Chemicals Llc Composicion de suspension acuosa con particulas de materiales valiosos e impurezas
WO2010101745A1 (en) 2009-03-04 2010-09-10 Dow Global Technologies Inc. Thermosettable composition containing a glycidylether based on trimethyolpropane octadecaethoxilate
CN113402000A (zh) * 2021-05-10 2021-09-17 中海油(天津)油田化工有限公司 一种油田含油污水处理用浮选剂及其制备方法

Also Published As

Publication number Publication date
FI45254B (de) 1971-12-31
GB1179493A (en) 1970-01-28
AT275312B (de) 1969-10-27
NO123112B (de) 1971-09-27
SE326368B (de) 1970-07-20
US3575797A (en) 1971-04-20
FI45254C (fi) 1972-04-10
DE1546290A1 (de) 1970-02-26

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Legal Events

Date Code Title Description
PL Patent ceased