IT7968579A0 - Procedimento e dispositivo per rimuovere le ceneri da sospensioni di fibre nella purificazione dicarta di ricupero - Google Patents

Procedimento e dispositivo per rimuovere le ceneri da sospensioni di fibre nella purificazione dicarta di ricupero

Info

Publication number
IT7968579A0
IT7968579A0 IT7968579A IT6857979A IT7968579A0 IT 7968579 A0 IT7968579 A0 IT 7968579A0 IT 7968579 A IT7968579 A IT 7968579A IT 6857979 A IT6857979 A IT 6857979A IT 7968579 A0 IT7968579 A0 IT 7968579A0
Authority
IT
Italy
Prior art keywords
purification
procedure
removing ash
fiber suspensions
recovery paper
Prior art date
Application number
IT7968579A
Other languages
English (en)
Original Assignee
Voith Gmbh J M
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 Voith Gmbh J M filed Critical Voith Gmbh J M
Publication of IT7968579A0 publication Critical patent/IT7968579A0/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/023—Stationary screen-drums
    • D21D5/026—Stationary screen-drums with rotating cleaning foils
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
IT7968579A 1978-08-18 1979-07-27 Procedimento e dispositivo per rimuovere le ceneri da sospensioni di fibre nella purificazione dicarta di ricupero IT7968579A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2836186A DE2836186C2 (de) 1978-08-18 1978-08-18 Verfahren und Vorrichtung zur Entaschung von Faserstoffsuspensionen bei der Altpapieraufbereitung

Publications (1)

Publication Number Publication Date
IT7968579A0 true IT7968579A0 (it) 1979-07-27

Family

ID=6047363

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7968579A IT7968579A0 (it) 1978-08-18 1979-07-27 Procedimento e dispositivo per rimuovere le ceneri da sospensioni di fibre nella purificazione dicarta di ricupero

Country Status (8)

Country Link
JP (1) JPS5530497A (it)
DE (1) DE2836186C2 (it)
FI (1) FI792542A7 (it)
FR (1) FR2433609A1 (it)
GB (1) GB2030186A (it)
IT (1) IT7968579A0 (it)
NL (1) NL7906062A (it)
SE (1) SE7906776L (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS220858B1 (en) * 1978-12-06 1983-04-29 Marcel Lalak Method of treating the waste paper
DE2908660C2 (de) * 1979-03-06 1984-02-09 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und Anlage zur Rückgewinnung einer Faserstoffsuspension aus gemischtem Altpapier
EP0067912B1 (en) * 1981-06-19 1986-04-16 The Black Clawson Company Paper making stock screen and a system for treating paper making stock
IT1155310B (it) * 1982-04-19 1987-01-28 Jean Marie Clement Procedimento per il trattamento di riciclaggio di carta stampata da macero
CH665859A5 (de) * 1984-12-19 1988-06-15 Escher Wyss Gmbh Verfahren und vorrichtung zum entfernen von verunreinigungen aus altpapier.
DE4034054C1 (it) * 1990-10-26 1992-04-02 Feldmuehle Ag, 4000 Duesseldorf, De
AT412216B (de) 2003-01-24 2004-11-25 Andritz Ag Maschf Verfahren und vorrichtung zur belüftung von suspensionen
JP4723230B2 (ja) * 2004-12-06 2011-07-13 三菱電機株式会社 シュレッダーダストの比重選別方法及びシュレッダーダストの比重選別装置
AT501868B1 (de) 2005-06-13 2007-04-15 Andritz Ag Maschf Verfahren zur wiederverwertung von füllstoffen und streichpigmenten der papier-, pappe- oder kartonherstellung
EP3260596B1 (en) * 2016-06-23 2018-10-31 Valmet Technologies Oy Deashing system and deashing method
CN110878484B (zh) * 2019-12-16 2021-06-01 临朐玉龙造纸有限公司 一种湿浆除沙系统与除沙方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR670419A (fr) * 1928-09-22 1929-11-28 Procédé pour assortir et dissoudre mécaniquement par voie humide, ainsi que pour trier ultérieurement du vieux papier, des déchets de carton, du bois mouliné, de la cellulose et d'autres semi-produits du papier dans un seul cycle de travail
DE617684C (de) * 1931-11-06 1935-08-23 Hugo Rumpe Verfahren und Vorrichtung zum Sichten, Reinigen und Aufschliessen von Pflanzenfaserabfaellen, insbesondere zum Aufbereiten von Altpapier
DE1295344B (de) * 1964-06-12 1969-05-14 Voith Gmbh J M Sichter fuer Fasersuspensionen
JPS4519043Y1 (it) * 1967-05-31 1970-08-03
DE1761132A1 (de) * 1968-04-05 1971-04-15 Voith Gmbh J M Sichter zum Reinigen von Fasersuspensionen,insbesondere der Zellstoff-,Holzstoff- und Papierindustrie
JPS5932231B2 (ja) * 1976-08-30 1984-08-07 日立金属株式会社 インゴツト抜き装置

Also Published As

Publication number Publication date
GB2030186A (en) 1980-04-02
DE2836186B1 (de) 1979-05-03
NL7906062A (nl) 1980-02-20
JPS5530497A (en) 1980-03-04
SE7906776L (sv) 1980-02-19
FI792542A7 (fi) 1981-01-01
DE2836186C2 (de) 1980-02-07
FR2433609A1 (fr) 1980-03-14

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