FR2006541A1 - Paper pulp purification - Google Patents

Paper pulp purification

Info

Publication number
FR2006541A1
FR2006541A1 FR6912168A FR6912168A FR2006541A1 FR 2006541 A1 FR2006541 A1 FR 2006541A1 FR 6912168 A FR6912168 A FR 6912168A FR 6912168 A FR6912168 A FR 6912168A FR 2006541 A1 FR2006541 A1 FR 2006541A1
Authority
FR
France
Prior art keywords
chamber
filter
rotor
paper pulp
under pressure
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.)
Withdrawn
Application number
FR6912168A
Other languages
English (en)
French (fr)
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.)
Hooper & Co Ltd
Original Assignee
Hooper & Co Ltd
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 Hooper & Co Ltd filed Critical Hooper & Co Ltd
Publication of FR2006541A1 publication Critical patent/FR2006541A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • D21D5/06—Rotary screen-drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FR6912168A 1968-04-19 1969-04-18 Paper pulp purification Withdrawn FR2006541A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73067268A 1968-04-19 1968-04-19

Publications (1)

Publication Number Publication Date
FR2006541A1 true FR2006541A1 (en) 1969-12-26

Family

ID=24936333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6912168A Withdrawn FR2006541A1 (en) 1968-04-19 1969-04-18 Paper pulp purification

Country Status (4)

Country Link
US (1) US3508651A (enrdf_load_stackoverflow)
FI (1) FI47790C (enrdf_load_stackoverflow)
FR (1) FR2006541A1 (enrdf_load_stackoverflow)
NO (1) NO136209C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455651A1 (fr) * 1979-05-03 1980-11-28 Uniweld Inc Dispositif rotatif d'epuration de la pulpe
EP0315737A1 (en) * 1987-11-11 1989-05-17 A. Ahlstrom Corporation Method and apparatus for treating pulp

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE358429B (enrdf_load_stackoverflow) * 1969-06-10 1973-07-30 Sunds Ab
CA887765A (en) * 1969-11-21 1971-12-07 Cowan Ben Pulp screening machine
NL7210202A (enrdf_load_stackoverflow) * 1972-07-24 1974-01-28
CA981215A (en) * 1972-08-31 1976-01-06 Highratio Screens Ltd. Pulp stock pressure screen
US4851111A (en) * 1985-08-09 1989-07-25 The Black Clawson Company Apparatus for screening paper fiber stock
US4697982A (en) * 1986-03-13 1987-10-06 Uniweld Inc. Rotary pulp screen of the horizontal type having pulp stock feed at different axial positions on the screen
US5119953A (en) * 1990-04-02 1992-06-09 Celleco Hedemora Ab Pulp suspension screening and fractionation apparatus
US5839142A (en) * 1996-07-09 1998-11-24 Thermo Fibertek Inc. Stock washer for washing, thickening and classifying solids

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR777123A (fr) * 1933-08-12 1935-02-12 Voith Gmbh J M Procédé de séparation mécanique entre la matière mucilagineuse et la matière fibreuse de la pâte de bois ou de mélanges fibreux analogues
US3081873A (en) * 1960-11-16 1963-03-19 Cowan Elijah Pulp screen with internal dilution rotor
US3243041A (en) * 1963-02-25 1966-03-29 Cowan Ben Horizontal pressure type pulp screen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245535A (en) * 1963-05-23 1966-04-12 Cowan Ben Vertical pressure type pulp screen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR777123A (fr) * 1933-08-12 1935-02-12 Voith Gmbh J M Procédé de séparation mécanique entre la matière mucilagineuse et la matière fibreuse de la pâte de bois ou de mélanges fibreux analogues
US3081873A (en) * 1960-11-16 1963-03-19 Cowan Elijah Pulp screen with internal dilution rotor
US3243041A (en) * 1963-02-25 1966-03-29 Cowan Ben Horizontal pressure type pulp screen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455651A1 (fr) * 1979-05-03 1980-11-28 Uniweld Inc Dispositif rotatif d'epuration de la pulpe
EP0315737A1 (en) * 1987-11-11 1989-05-17 A. Ahlstrom Corporation Method and apparatus for treating pulp
US4952314A (en) * 1987-11-11 1990-08-28 A. Ahlstrom Corporation Apparatus for treating pulp

Also Published As

Publication number Publication date
US3508651A (en) 1970-04-28
DE1920167A1 (de) 1969-11-06
NO136209B (enrdf_load_stackoverflow) 1977-04-25
FI47790C (fi) 1974-03-11
NO136209C (no) 1977-08-03
FI47790B (enrdf_load_stackoverflow) 1973-11-30

Similar Documents

Publication Publication Date Title
FR2006541A1 (en) Paper pulp purification
ES419762A1 (es) Prensa filtradora para extraer el liquido de suspensiones de diferente tipo.
CA1011990A (en) Filter press, particularly for dewatering sludge in sewage treatment plants
ES372406A1 (es) Un metodo para la eliminacion y recuperacion de impurezas gaseosas de mezclas de gas.
ES320953A1 (es) Un aparato y un metodo para separar por osmosis inversa un producto deseado de una solucion acuosa.
FI51584C (fi) Menetelmä talousjätteiden käsittelemiseksi ja puristin sen toteuttamis eksi.
GB1182608A (en) Improvements in or relating to Rotary Pumps for Liquids Containing Solid Contaminants
ES404202A1 (es) Sistema de filtracion y de purificacion de liquidos.
IE37385B1 (en) Extraction of sterolins from plant material
ES424489A1 (es) Un molino tubular con extraccion por chorro de aire y un metodo de triturar material.
ES282852A1 (es) Un método de tratar lodo en sistemas de aguas residuarias
GB1416900A (en) Combination condenser-degasse-deaerator for a desalination plant
GB1268877A (en) Feeders for introducing finely divided material into vessels under pressure
FR2229388A1 (en) Autostabilising seaweed by crushing with seawater - esp. to protect it from necrosis
GB1020736A (en) Improvements in filters for liquids
GB912781A (en) Centrifuge with side filters
GB1312634A (en) Filter
FR2116612A5 (en) Rotating membrane reverse osmosis appts
GB1224355A (en) Improvements in or relating to apparatus and process for filtering suspensions
GB560899A (en) A continuous vacuum dehydrating process
FR2203870A1 (en) Multistage petroleum cracker - using prepn in conventional swashplate machine before fractionation
ES276215A1 (es) Máquina para reducir a pasta artículos de papel
SU485183A1 (ru) Центробежный очиститель
FR2272223A1 (en) Fibrous sleeve mfg. appts. - has water extractors to dehydrate wood pulp on entry into extrusion die
ES301819A1 (es) Mejoras en la construcciën de maquinas para la recolecciën del algodën

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse