IT1039687B - Processo per la purieficazione di acque di rifiuto proveniti dalle cartiere - Google Patents

Processo per la purieficazione di acque di rifiuto proveniti dalle cartiere

Info

Publication number
IT1039687B
IT1039687B IT2503575A IT2503575A IT1039687B IT 1039687 B IT1039687 B IT 1039687B IT 2503575 A IT2503575 A IT 2503575A IT 2503575 A IT2503575 A IT 2503575A IT 1039687 B IT1039687 B IT 1039687B
Authority
IT
Italy
Prior art keywords
puriefication
waste water
water coming
paper mills
mills
Prior art date
Application number
IT2503575A
Other languages
English (en)
Original Assignee
Akzo Nv
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 Akzo Nv filed Critical Akzo Nv
Application granted granted Critical
Publication of IT1039687B publication Critical patent/IT1039687B/it

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • 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
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
IT2503575A 1974-07-10 1975-07-02 Processo per la purieficazione di acque di rifiuto proveniti dalle cartiere IT1039687B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7409304A NL152617B (nl) 1974-07-10 1974-07-10 Werkwijze voor het affiltreren van vaste bestanddelen uit afvalwater ontstaan bij de papiervervaardiging.

Publications (1)

Publication Number Publication Date
IT1039687B true IT1039687B (it) 1979-12-10

Family

ID=19821728

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2503575A IT1039687B (it) 1974-07-10 1975-07-02 Processo per la purieficazione di acque di rifiuto proveniti dalle cartiere

Country Status (10)

Country Link
US (1) US4127440A (it)
JP (1) JPS5149565A (it)
BR (1) BR7504341A (it)
CA (1) CA1059926A (it)
DE (1) DE2529861A1 (it)
FR (1) FR2277779A1 (it)
GB (1) GB1476577A (it)
IT (1) IT1039687B (it)
NL (1) NL152617B (it)
SE (1) SE415677B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2610581B1 (de) * 1976-03-13 1977-08-11 Voith Gmbh J M Verfahren und vorrichtung zur gewinnung von relativreinen faserstoffsuspensionen bei der aufarbeitung von altpapier
SE423491B (sv) * 1979-08-13 1982-05-10 Hedemora Verkstaeder Ab Sett for avskiljning av filtrerbara partiklar ur en vetskesuspension vid bakvattenrening for pappersmaskiner eller annan rening av avloppsvatten inom cellulosa-, pappers- och boardindustrin
IT1155310B (it) * 1982-04-19 1987-01-28 Jean Marie Clement Procedimento per il trattamento di riciclaggio di carta stampata da macero
FR2722214B1 (fr) * 1994-07-05 1996-08-30 Centre Tech Ind Papier Procede de traitement d'une suspension de fibres papetieres
US6071380A (en) * 1994-08-31 2000-06-06 Hoffman Environmental Systems, Inc. Method of papermaking having zero liquid discharge
FI121060B (fi) * 2000-05-22 2010-06-30 Metso Paper Inc Menetelmä jätteen käsittelemiseksi ja jätteenkäsittelylaitos
EP2363290A1 (en) * 2010-03-05 2011-09-07 KBA-NotaSys SA Installation and process for recycling wiping solution of one or more intaglio printing presses
CN105002768B (zh) * 2015-07-30 2017-04-05 齐鲁工业大学 一种杨木板皮溶解浆预水解废液中木素的去除方法
CN105174550A (zh) * 2015-10-09 2015-12-23 中林联盟（北京）科技发展有限公司 一种分段污水处理工艺
CN106012642A (zh) * 2016-06-29 2016-10-12 南京林业大学 一种occ纸浆原料造纸白水的综合利用方法
CN114890593B (zh) * 2022-04-08 2024-06-18 江阴市昕晔环境科技有限公司 一种造纸工业废水的处理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765915A (en) * 1953-11-16 1956-10-09 Nilsson Ivar Linus Method of and means for recovering fibers from pulp-water
NL280219A (it) * 1961-06-28 1900-01-01
US3274103A (en) * 1963-04-15 1966-09-20 Phillips Petroleum Co Filtration
US3301745A (en) * 1963-04-26 1967-01-31 Scott Paper Co Pulp processing method for mixed cellulosic materials
US3486621A (en) * 1967-01-12 1969-12-30 Hydromation Eng Co Filtration of organic materials
US3486619A (en) * 1968-01-24 1969-12-30 Wikdahl Nils Anders Lennart Method of removing impurities from a fiber suspension
US3577339A (en) * 1968-04-02 1971-05-04 Atomic Energy Commission Filtration method of separating liquids from extraneous materials
US3912579A (en) * 1969-06-04 1975-10-14 Bergstrom Paper Co Reverse cleaning and de-inking of paper stock

Also Published As

Publication number Publication date
FR2277779A1 (fr) 1976-02-06
US4127440A (en) 1978-11-28
NL7409304A (nl) 1976-01-13
NL152617B (nl) 1977-03-15
BR7504341A (pt) 1976-07-06
JPS5149565A (it) 1976-04-28
FR2277779B1 (it) 1978-12-29
GB1476577A (en) 1977-06-16
SE7507518L (sv) 1976-01-12
CA1059926A (en) 1979-08-07
SE415677B (sv) 1980-10-20
DE2529861A1 (de) 1976-01-29

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