DE69412840D1 - Verfahren zur herstellung von papier und karton - Google Patents

Verfahren zur herstellung von papier und karton

Info

Publication number
DE69412840D1
DE69412840D1 DE69412840T DE69412840T DE69412840D1 DE 69412840 D1 DE69412840 D1 DE 69412840D1 DE 69412840 T DE69412840 T DE 69412840T DE 69412840 T DE69412840 T DE 69412840T DE 69412840 D1 DE69412840 D1 DE 69412840D1
Authority
DE
Germany
Prior art keywords
pct
cardboard
sec
date
nitrate
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
DE69412840T
Other languages
English (en)
Inventor
Giordano Donelli
Massimiliano Rosellini
Raffaella Taliento
Fausto Dore
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.)
Caffaro SpA
Original Assignee
Caffaro SpA
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 Caffaro SpA filed Critical Caffaro SpA
Application granted granted Critical
Publication of DE69412840D1 publication Critical patent/DE69412840D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/903—Nitrogenous

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Making Paper Articles (AREA)
DE69412840T 1993-10-01 1994-09-27 Verfahren zur herstellung von papier und karton Expired - Lifetime DE69412840D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI932094A IT1270840B (it) 1993-10-01 1993-10-01 Procedimento per la fabbricazione di carta e cartone
PCT/EP1994/003225 WO1995009817A1 (en) 1993-10-01 1994-09-27 Process for making paper and cardboard

Publications (1)

Publication Number Publication Date
DE69412840D1 true DE69412840D1 (de) 1998-10-01

Family

ID=11366970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412840T Expired - Lifetime DE69412840D1 (de) 1993-10-01 1994-09-27 Verfahren zur herstellung von papier und karton

Country Status (10)

Country Link
US (1) US5750006A (de)
EP (1) EP0721428B1 (de)
AT (1) ATE170161T1 (de)
AU (1) AU7810394A (de)
CA (1) CA2169570A1 (de)
DE (1) DE69412840D1 (de)
FI (1) FI961420A (de)
IT (1) IT1270840B (de)
PL (1) PL313732A1 (de)
WO (1) WO1995009817A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100063016A (ko) * 2007-07-17 2010-06-10 더블유.알. 그레이스 앤드 캄파니-콘. 염기성 알루미늄 나이트레이트
CN102167460B (zh) * 2011-03-25 2012-07-25 中国科学院南京土壤研究所 一种含有有机膦酸和无机磷废水处理工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1107717A (en) * 1964-06-03 1968-03-27 Peter Spence & Sons Ltd Improvements in or relating to paper
US4039438A (en) * 1975-10-15 1977-08-02 Anderson Donald R Biological denitrification of water
JPS5939199B2 (ja) * 1977-02-18 1984-09-21 山田工業株式会社 汚水の生物学的脱窒素法
DE3232095A1 (de) * 1982-08-28 1984-03-01 Linde Ag, 6200 Wiesbaden Verfahren zur denitrifikation von kohlenstofffreiem wasser
DE3838864A1 (de) * 1988-11-17 1990-05-31 Giulini Chemie Verfahren zur ausfaellung und flockung von geloesten wasser- und abwasserinhaltsstoffen sowie schwebstoffen bei der wasseraufbereitung
DE3917368A1 (de) * 1989-05-29 1991-03-21 Degremont Verfahren zur biologischen umwandlung geloester nitrate und anlage zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
ITMI932094A0 (it) 1993-10-01
EP0721428A1 (de) 1996-07-17
FI961420A0 (fi) 1996-03-29
US5750006A (en) 1998-05-12
IT1270840B (it) 1997-05-13
ATE170161T1 (de) 1998-09-15
CA2169570A1 (en) 1995-04-13
ITMI932094A1 (it) 1995-04-01
WO1995009817A1 (en) 1995-04-13
EP0721428B1 (de) 1998-08-26
AU7810394A (en) 1995-05-01
FI961420A (fi) 1996-03-29
PL313732A1 (en) 1996-07-22

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Legal Events

Date Code Title Description
8332 No legal effect for de