BR9302517A - Processo de preparacao para papel velho - Google Patents
Processo de preparacao para papel velhoInfo
- Publication number
- BR9302517A BR9302517A BR9302517A BR9302517A BR9302517A BR 9302517 A BR9302517 A BR 9302517A BR 9302517 A BR9302517 A BR 9302517A BR 9302517 A BR9302517 A BR 9302517A BR 9302517 A BR9302517 A BR 9302517A
- Authority
- BR
- Brazil
- Prior art keywords
- preparation process
- selective flotation
- old paper
- core
- fraction
- Prior art date
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
- D21B1/325—Defibrating by other means of waste paper de-inking devices
- D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
-
- 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
- D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
-
- 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
- D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
-
- 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)
- Materials For Medical Uses (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Steroid Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Cyclones (AREA)
- Enzymes And Modification Thereof (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19924224329 DE4224329C1 (de) | 1992-07-23 | 1992-07-23 | Aufbereitungsverfahren für Altpapier |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9302517A true BR9302517A (pt) | 1994-02-01 |
Family
ID=6463922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9302517A BR9302517A (pt) | 1992-07-23 | 1993-07-22 | Processo de preparacao para papel velho |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0580087B1 (pt) |
JP (1) | JPH06166975A (pt) |
KR (1) | KR940005854A (pt) |
AT (1) | ATE138430T1 (pt) |
BR (1) | BR9302517A (pt) |
CA (1) | CA2101225A1 (pt) |
DE (1) | DE4224329C1 (pt) |
ES (1) | ES2089648T3 (pt) |
FI (1) | FI933299A (pt) |
NO (1) | NO302041B1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19611864C1 (de) * | 1996-03-26 | 1997-12-11 | Voith Sulzer Stoffaufbereitung | Flotationsverfahren und Vorrichtung zur Abscheidung von Feststoff aus einer papierfaserhaltigen Suspension |
DE19728393C2 (de) * | 1997-07-03 | 1999-08-05 | Voith Sulzer Stoffaufbereitung | Verfahren und Anlage zur Entfernung von Störstoffen aus einer wässrigen Faserstoffsuspension |
DE19920480A1 (de) * | 1999-05-04 | 2000-11-09 | Voith Sulzer Papiertech Patent | Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension |
AT412288B (de) * | 2003-02-25 | 2004-12-27 | Andritz Ag Maschf | Verfahren und vorrichtung zur belüftung von suspensionen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3005815C2 (de) * | 1980-02-16 | 1982-09-23 | J.M. Voith Gmbh, 7920 Heidenheim | Vorrichtung zum Deinken von Altpapier |
JPH0660473B2 (ja) * | 1985-04-18 | 1994-08-10 | 新王子製紙株式会社 | 古紙の脱墨処理法 |
ATE151131T1 (de) * | 1992-03-04 | 1997-04-15 | Voith Gmbh J M | Aufbereitung und verfahren von altpapier |
-
1992
- 1992-07-23 DE DE19924224329 patent/DE4224329C1/de not_active Expired - Fee Related
-
1993
- 1993-07-16 AT AT93111428T patent/ATE138430T1/de not_active IP Right Cessation
- 1993-07-16 EP EP19930111428 patent/EP0580087B1/de not_active Expired - Lifetime
- 1993-07-16 ES ES93111428T patent/ES2089648T3/es not_active Expired - Lifetime
- 1993-07-20 KR KR1019930013646A patent/KR940005854A/ko not_active Application Discontinuation
- 1993-07-22 BR BR9302517A patent/BR9302517A/pt not_active IP Right Cessation
- 1993-07-22 FI FI933299A patent/FI933299A/fi unknown
- 1993-07-22 NO NO932651A patent/NO302041B1/no not_active IP Right Cessation
- 1993-07-23 CA CA 2101225 patent/CA2101225A1/en not_active Abandoned
- 1993-07-23 JP JP20265493A patent/JPH06166975A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0580087A1 (de) | 1994-01-26 |
FI933299A (fi) | 1994-01-24 |
NO932651D0 (no) | 1993-07-22 |
EP0580087B1 (de) | 1996-05-22 |
NO302041B1 (no) | 1998-01-12 |
JPH06166975A (ja) | 1994-06-14 |
NO932651L (no) | 1994-01-24 |
KR940005854A (ko) | 1994-03-22 |
ES2089648T3 (es) | 1996-10-01 |
ATE138430T1 (de) | 1996-06-15 |
DE4224329C1 (de) | 1993-11-11 |
CA2101225A1 (en) | 1994-01-24 |
FI933299A0 (fi) | 1993-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR9301914A (pt) | Processo para separar fibra de papel,fibra,papelao,e aparelho para realizar o processo | |
BR9206257A (pt) | Aparelho para separar frações de material pesadas e leves separador para aparelho de classificação e processo de separação de frações de material pesadas e leves | |
KR930019929A (ko) | 폐지 분리방법 | |
BR9302517A (pt) | Processo de preparacao para papel velho | |
DK1100992T3 (da) | Fremgangsmåde og indretning til sortering af en papirblanding | |
SE8603022D0 (sv) | Gasningsanordning for en flotationsapparat och dess anvendning vid behandling av pappersmassa, serskilt for avfergning av makulatur | |
DE59400653D1 (de) | Flotationseinrichtung | |
SE7811866L (sv) | Forfarande for atervinning av cellulosafibrer ur en ravara bestaende av returpapper och liknande | |
NO20004565D0 (no) | FremgangsmÕte og innretning for flottasjon av forstyrrende stoffer fra en vandig fiberstoffsuspensjon | |
DE50206623D1 (de) | Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension. | |
ATE94423T1 (de) | Zerkleinerungsmaschine. | |
DE59812972D1 (de) | Verfahren und Anlage zur Entfernung von Störstoffen aus einer wässrigen Faserstoffsuspension | |
DE59506733D1 (de) | Vorrichtung zur begasung einer suspension | |
ES2015722A6 (es) | Metodo y dispositivo para limpiar una suspension de fibras de contaminantes ligeros. | |
SE8204709D0 (sv) | Forfarande for uppdelning av en blandning av fibersuspension och letta fororeningar | |
PT1188491E (pt) | Processo para a apartacao de uma mistura de materiais plasticos de uma mistura de residuos e instalacao para apartacao de residuos | |
ATE111985T1 (de) | Anlage zur aufbereitung von altpapier. | |
ATE360115T1 (de) | Verfahren zur gewinnung von faserstoff und kunststoff aus rejekten aus pulperentsorgungssystemen | |
KR960037956A (ko) | 혼합 열대 경목 펄프로부터 핏치를 제거하는 방법 | |
SE8203942D0 (sv) | Sett vid rening av en fibersuspension i en hydrocyklonanleggning | |
BR9805739A (pt) | Processos para separar uma fibra de polpa de uma matéria suspensa em uma fase líquida e recuperar a citada fibra da mesma em um estágio de flotação, para separar fibra de um contaminante, em um processo de fabricação de papel reciclado e para remover fibra de polpa de uma matéria suspensa contida em uma fase líquida. | |
ES8401555A1 (es) | Perfeccionamientos en aparatos para el tratamiento continuo de una suspension que comprende liquido,fibras de pasta papelera de diversas longitudes y particulas indeseables. | |
MX9601710A (es) | Metodo y aparato para recuperar fibra de corrientes de efluentes. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EE | Request for examination | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 22/07/2013 |