DE69109729T2 - Verfahren zur Behandlung der zum Verdünnen von Zellstoff bestimmten rückgewonnenen Abwässern. - Google Patents

Verfahren zur Behandlung der zum Verdünnen von Zellstoff bestimmten rückgewonnenen Abwässern.

Info

Publication number
DE69109729T2
DE69109729T2 DE1991609729 DE69109729T DE69109729T2 DE 69109729 T2 DE69109729 T2 DE 69109729T2 DE 1991609729 DE1991609729 DE 1991609729 DE 69109729 T DE69109729 T DE 69109729T DE 69109729 T2 DE69109729 T2 DE 69109729T2
Authority
DE
Germany
Prior art keywords
treatment
pulp
dilution
waste water
recovered waste
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.)
Expired - Lifetime
Application number
DE1991609729
Other languages
English (en)
Other versions
DE69109729D1 (de
Inventor
Jean-Claude Pommier
Christian Rousset
Jean-Luc Fuentes
Gerard Goma
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.)
Cellulose du Pin SA
Original Assignee
Cellulose du Pin 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 Cellulose du Pin SA filed Critical Cellulose du Pin SA
Application granted granted Critical
Publication of DE69109729D1 publication Critical patent/DE69109729D1/de
Publication of DE69109729T2 publication Critical patent/DE69109729T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Biochemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE1991609729 1990-04-06 1991-03-29 Verfahren zur Behandlung der zum Verdünnen von Zellstoff bestimmten rückgewonnenen Abwässern. Expired - Lifetime DE69109729T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9004415A FR2660674B1 (fr) 1990-04-06 1990-04-06 Procede de traitement d'eaux recyclees destinees a diluer une pate papetiere.

Publications (2)

Publication Number Publication Date
DE69109729D1 DE69109729D1 (de) 1995-06-22
DE69109729T2 true DE69109729T2 (de) 1996-02-29

Family

ID=9395497

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991609729 Expired - Lifetime DE69109729T2 (de) 1990-04-06 1991-03-29 Verfahren zur Behandlung der zum Verdünnen von Zellstoff bestimmten rückgewonnenen Abwässern.

Country Status (9)

Country Link
EP (1) EP0451031B1 (de)
JP (1) JPH0641891A (de)
AT (1) ATE122745T1 (de)
CA (1) CA2039838A1 (de)
DE (1) DE69109729T2 (de)
ES (1) ES2075381T3 (de)
FI (1) FI911657A (de)
FR (1) FR2660674B1 (de)
NO (1) NO911340L (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5501770A (en) * 1994-08-12 1996-03-26 Nalco Chemical Company Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking
US6939437B1 (en) 1999-11-19 2005-09-06 Buckman Laboratories International, Inc. Paper making processes using enzyme and polymer combinations
CN104652158B (zh) * 2015-03-20 2017-03-01 陕西科技大学 一种豆渣微纤化纤维素的制备工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406089A (en) * 1964-10-02 1968-10-15 Kimberly Clark Co Process for the digestion of cellulosic material by enzymatic action of trametes suaveolens
FR2604198B1 (fr) * 1986-09-22 1989-07-07 Du Pin Cellulose Procede de traitement d'une pate papetiere par une solution enzymatique.
FR2629108A1 (fr) * 1988-03-22 1989-09-29 Du Pin Cellulose Procede de fabrication de papiers ou cartons a partir de fibres recyclees, traitees avec des enzymes
FI85041C (fi) * 1989-01-16 1992-02-25 Enso Gutzeit Oy Foerfarande foer att bringa pappersmassa pao en pappersmaskins vira.

Also Published As

Publication number Publication date
EP0451031A1 (de) 1991-10-09
ES2075381T3 (es) 1995-10-01
FR2660674A1 (fr) 1991-10-11
FI911657A (fi) 1991-10-07
NO911340L (no) 1991-10-07
JPH0641891A (ja) 1994-02-15
EP0451031B1 (de) 1995-05-17
DE69109729D1 (de) 1995-06-22
ATE122745T1 (de) 1995-06-15
FR2660674B1 (fr) 1992-06-12
CA2039838A1 (fr) 1991-10-07
NO911340D0 (no) 1991-04-05
FI911657A0 (fi) 1991-04-05

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: GROSSE, BOCKHORNI, SCHUMACHER, 81476 MUENCHEN

8328 Change in the person/name/address of the agent

Representative=s name: BOCKHORNI & KOLLEGEN, 80687 MUENCHEN