ES2101830T3 - Proceso de reduccion a pasta en la fabricacion de papel. - Google Patents

Proceso de reduccion a pasta en la fabricacion de papel.

Info

Publication number
ES2101830T3
ES2101830T3 ES92900022T ES92900022T ES2101830T3 ES 2101830 T3 ES2101830 T3 ES 2101830T3 ES 92900022 T ES92900022 T ES 92900022T ES 92900022 T ES92900022 T ES 92900022T ES 2101830 T3 ES2101830 T3 ES 2101830T3
Authority
ES
Spain
Prior art keywords
reduction process
paper manufacturing
digester
pulp
pulp reduction
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
ES92900022T
Other languages
English (en)
Spanish (es)
Inventor
Ethan K Andrews
Fernando E Mera
Lawrence K Swift
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.)
Beloit Technologies Inc
Original Assignee
Beloit Technologies Inc
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 Beloit Technologies Inc filed Critical Beloit Technologies Inc
Application granted granted Critical
Publication of ES2101830T3 publication Critical patent/ES2101830T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/26Multistage processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1031Pulse, dynamic, displacement processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Prostheses (AREA)
  • Radiation-Therapy Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Drying Of Semiconductors (AREA)
  • Materials For Photolithography (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
ES92900022T 1990-10-24 1991-10-07 Proceso de reduccion a pasta en la fabricacion de papel. Expired - Lifetime ES2101830T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60260590A 1990-10-24 1990-10-24

Publications (1)

Publication Number Publication Date
ES2101830T3 true ES2101830T3 (es) 1997-07-16

Family

ID=24412030

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92900022T Expired - Lifetime ES2101830T3 (es) 1990-10-24 1991-10-07 Proceso de reduccion a pasta en la fabricacion de papel.

Country Status (14)

Country Link
EP (1) EP0554391B1 (de)
CN (1) CN1028250C (de)
AT (1) ATE151824T1 (de)
AU (1) AU9022291A (de)
CA (1) CA2094819C (de)
DE (1) DE69125722T2 (de)
ES (1) ES2101830T3 (de)
FI (1) FI931854A (de)
MX (1) MX9101706A (de)
NO (1) NO302187B1 (de)
PL (1) PL168216B1 (de)
RU (1) RU2068904C1 (de)
WO (1) WO1992007994A1 (de)
ZA (1) ZA918441B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936338A (ja) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd 光デイスク記録再生方法
USH1690H (en) * 1995-07-20 1997-11-04 Nye; Jeffrey Process for bleaching kraft pulp
FR2885371B1 (fr) * 2005-05-03 2007-08-03 Cie Ind De La Matiere Vegetale Installation pour la mise en oeuvre d'un procede de production de pate a papier, de lignines et de sucres et procede de production au moyen d'une telle installation
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
CN103498375B (zh) * 2013-09-24 2015-06-03 昆明理工大学 一种光叶楮白皮的制浆方法
BR102014027199B1 (pt) * 2014-07-14 2022-10-04 Nalco Company Método para aprimorar a fabricação de polpa de soda ou kraft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE353105C (de) * 1921-07-16 1922-05-18 Leopold Enge Verfahren zur Herstellung von Holzstoff
SE373397C (sv) * 1972-03-30 1984-02-06 Mo Och Domsjoe Ab Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery

Also Published As

Publication number Publication date
DE69125722T2 (de) 1997-09-04
AU9022291A (en) 1992-05-26
EP0554391A1 (de) 1993-08-11
MX9101706A (es) 1992-06-05
CA2094819C (en) 1999-02-02
ZA918441B (en) 1992-07-29
NO302187B1 (no) 1998-02-02
RU2068904C1 (ru) 1996-11-10
DE69125722D1 (de) 1997-05-22
CN1061452A (zh) 1992-05-27
WO1992007994A1 (en) 1992-05-14
FI931854A0 (fi) 1993-04-23
FI931854A (fi) 1993-04-23
CA2094819A1 (en) 1992-04-25
EP0554391B1 (de) 1997-04-16
ATE151824T1 (de) 1997-05-15
PL168216B1 (pl) 1996-01-31
NO931486L (no) 1993-04-22
NO931486D0 (no) 1993-04-22
CN1028250C (zh) 1995-04-19

Similar Documents

Publication Publication Date Title
AR243946A1 (es) Procedimiento para blanquear pulpas, sin usar cloro.
FR2457339B1 (de)
SE7902901L (sv) Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
ES2101830T3 (es) Proceso de reduccion a pasta en la fabricacion de papel.
GB2248075B (en) Chlorine-free process for bleaching pulp
NO964609D0 (no) Fremgangsmåte for fremstilling av delignifisert og bleket kjemisk papirmasse
FR2655668B1 (fr) Procede de blanchiment de pates cellulosiques chimiques.
ES2073880T3 (es) Procedimiento de blanqueo de materias vegetales en dos etapas.
NO177606C (no) Fremgangsmåte for hydrogenperoksydbleking av papirmasse
DE69009750D1 (de) Bleichverfahren zur herstellung von hochweissem zellstoff.
RU93005264A (ru) Способ варки целлюлозы
BR9406763A (pt) Processo de tratamento de polpa de papel quimica
BR8804619A (pt) Processo de fabricacao de pasta de papel
ZA924021B (en) Process for the bleaching and delignification of chemical paper pulps and application of this process to the bleaching and delignification of kraft pulps and of asam pulps
ES2000019B3 (es) Procedimiento de blanqueado de pastas de papel quimicas.
SE9400738D0 (sv) Förfarande vid ozonblekning av sulfitmassa
AU6859891A (en) A process for countercurrent washing and bleaching of a pulp from chemical pulping
SE9303551D0 (sv) Sätt att behandla kemisk pappersmassa utan användning av klorhaltiga kemikalier

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 554391

Country of ref document: ES