ATE424476T1 - METHOD FOR REMOVAL OF SURFACTANTS DURING THE PRODUCTION OF PAPER IN A PAPER MACHINE AND PAPER MACHINE FOR CARRYING OUT THE METHOD - Google Patents

METHOD FOR REMOVAL OF SURFACTANTS DURING THE PRODUCTION OF PAPER IN A PAPER MACHINE AND PAPER MACHINE FOR CARRYING OUT THE METHOD

Info

Publication number
ATE424476T1
ATE424476T1 AT07301077T AT07301077T ATE424476T1 AT E424476 T1 ATE424476 T1 AT E424476T1 AT 07301077 T AT07301077 T AT 07301077T AT 07301077 T AT07301077 T AT 07301077T AT E424476 T1 ATE424476 T1 AT E424476T1
Authority
AT
Austria
Prior art keywords
paper
paper machine
machine
removal
carrying
Prior art date
Application number
AT07301077T
Other languages
German (de)
Inventor
Bruno Carre
Original Assignee
Ct Tech De L Ind Du Papier Car
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 Ct Tech De L Ind Du Papier Car filed Critical Ct Tech De L Ind Du Papier Car
Application granted granted Critical
Publication of ATE424476T1 publication Critical patent/ATE424476T1/en

Links

Classifications

    • 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

  • Paper (AREA)

Abstract

The process for fabricating a paper (2) on a machine, comprises separating surface-active agents through dispersed air (9) flotation in a wet part, and eliminating flotation foam containing the surface-active agents. The separation of the agents is carried out on all or part of filtration water from the paper formation and on all or part of clear water from a fiber recuperator. Recycled or mechanical slurry is used in the process. The flotation foam is treated with ozone and then evacuated in a purification station and a drainage table. An independent claim is included for a machine with paper.
AT07301077T 2006-07-21 2007-05-31 METHOD FOR REMOVAL OF SURFACTANTS DURING THE PRODUCTION OF PAPER IN A PAPER MACHINE AND PAPER MACHINE FOR CARRYING OUT THE METHOD ATE424476T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0653059A FR2904012B1 (en) 2006-07-21 2006-07-21 METHOD OF ELIMINATING SURFACTANTS DURING MANUFACTURE OF PAPER ON MACHINE AND PAPER MACHINE USING THE SAME

Publications (1)

Publication Number Publication Date
ATE424476T1 true ATE424476T1 (en) 2009-03-15

Family

ID=37198808

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07301077T ATE424476T1 (en) 2006-07-21 2007-05-31 METHOD FOR REMOVAL OF SURFACTANTS DURING THE PRODUCTION OF PAPER IN A PAPER MACHINE AND PAPER MACHINE FOR CARRYING OUT THE METHOD

Country Status (5)

Country Link
EP (1) EP1887130B1 (en)
AT (1) ATE424476T1 (en)
DE (1) DE602007000630D1 (en)
ES (1) ES2321990T3 (en)
FR (1) FR2904012B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3610939C2 (en) * 1985-12-23 1997-11-20 Voith Sulzer Stoffaufbereitung Process for treating the white water of a paper machine
DE19914779A1 (en) * 1999-03-31 2000-10-05 Meri Entsorgungstech Papierind Papermaking machine waste water processing system has an initial spray filtration stage to recover a fiber fraction for return and use and a flotation separation stage for the fine matter fraction

Also Published As

Publication number Publication date
FR2904012A1 (en) 2008-01-25
EP1887130A1 (en) 2008-02-13
EP1887130B1 (en) 2009-03-04
ES2321990T3 (en) 2009-06-15
DE602007000630D1 (en) 2009-04-16
FR2904012B1 (en) 2008-09-12

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Legal Events

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