ES2101830T3 - PULP REDUCTION PROCESS IN PAPER MANUFACTURING. - Google Patents

PULP REDUCTION PROCESS IN PAPER MANUFACTURING.

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
liquid
storage
pulp
cold
storage tank
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
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/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • 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
    • D21C9/00—After-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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • 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
    • D21C9/00—After-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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1031—Pulse, dynamic, displacement processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Drying Of Semiconductors (AREA)
  • Materials For Photolithography (AREA)
  • Prostheses (AREA)
  • Radiation-Therapy Devices (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

UN PROCESO PARA PREPARAR PULPA EN EL CUAL EL TRATAMIENTO DE LA PULPA ES AMPLIADO PARA INCLUIR TRATAMIENTOS DIGERIDORES (FIGURAS 7,7,9) PREVIAMENTE REALIZADOS FUERA DEL DIGERIDOR (12) EN EQUIPO DE PROCESO DISTINTO. ESPECIFICAMENTE, SE DESCRIBE UNA MANERA PARA BLANQUEAR EN EL DIGERIDOR, CON PREFERENCIA USANDO REACTIVOS DE BLANQUEO QUE NO CONTIENEN CLORO. H2O CALIENTE H2O FRIA ALMACENADO DE LIQUIDO BLANCO FRIO ALMACENADO DE VIRUTAS ALMACENADO DE LIQUIDO NEGRO FRIO ALMACENADO DE LIQUIDO NEGRO TIBIO ALMACENADO DE LIQUIDO NEGRO CALIENTE ALMACENADO DE LIQUIDO NEGRO CALIENTE 18 ALMACENADO DE LIQUIDO DE POLISULFURO VERDE DE GASTO FRIO 42 ALMACENADO DE LIQUIDO DE PEROXIDO DE HIDROGENO DE GASTO FRIO ALMACENADO DE LIQUIDO DE DESPLAZAMIENTO TANQUE DE ALMACENADO DE AQ SOLUBLE 44 TANQUE DE ALMACENADO DE PEROXIDO DE HIDROGENO TANQUE DE ALMACENADO DF@ DE LIQUIDO VERDE FRIO OXIGENO TANQUE (POLISULFURO) DE LIQUIDO VERDE OXIDADO TANQUE DE DESCARGA H2O CALIENTE LAVADOR TANQUE DE FILTRADO LAVADOR DE EXISTENCIASPARDASA PROCESS TO PREPARE THE PULP IN WHICH THE TREATMENT OF THE PULP IS EXTENDED TO INCLUDE DIGERATING TREATMENTS (FIGURES 7,7,9) PREVIOUSLY PERFORMED OUTSIDE THE DIGERIDOR (12) IN A DIFFERENT PROCESS EQUIPMENT. SPECIFICALLY, A WAY TO BLEACH IS DESCRIBED IN THE DIGERATOR, PREFERABLY USING BLEACH REAGENTS THAT DO NOT CONTAIN CHLORINE. H2O HOT COLD LIQUID STORAGE COLD BLACK LIQUID STORAGE HOT STORAGE LIQUID BLUE LIQUID DEBRID LIQUID ALIQUIDO COLD EXPENDITURE STORAGE OF DISPLACEMENT LIQUID STORAGE TANK OF AQ SOLUBLE 44 STORAGE TANK OF HYDROGEN PEROXIDE STORAGE TANK DF @ OF LIQUID GREEN OXYGEN TANQUE (POLISULFURO) OF STOCK PARADES

ES92900022T 1990-10-24 1991-10-07 PULP REDUCTION PROCESS IN PAPER MANUFACTURING. Expired - Lifetime ES2101830T3 (en)

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 (en) 1997-07-16

Family

ID=24412030

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92900022T Expired - Lifetime ES2101830T3 (en) 1990-10-24 1991-10-07 PULP REDUCTION PROCESS IN PAPER MANUFACTURING.

Country Status (14)

Country Link
EP (1) EP0554391B1 (en)
CN (1) CN1028250C (en)
AT (1) ATE151824T1 (en)
AU (1) AU9022291A (en)
CA (1) CA2094819C (en)
DE (1) DE69125722T2 (en)
ES (1) ES2101830T3 (en)
FI (1) FI931854A0 (en)
MX (1) MX9101706A (en)
NO (1) NO302187B1 (en)
PL (1) PL168216B1 (en)
RU (1) RU2068904C1 (en)
WO (1) WO1992007994A1 (en)
ZA (1) ZA918441B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936338A (en) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing method
USH1690H (en) * 1995-07-20 1997-11-04 Nye; Jeffrey Process for bleaching kraft pulp
US7867360B2 (en) * 2004-07-13 2011-01-11 Fpinnovations Generation of active polysulphide with manganese and bismuth catalysts
FR2885371B1 (en) * 2005-05-03 2007-08-03 Cie Ind De La Matiere Vegetale INSTALLATION FOR IMPLEMENTING A PROCESS FOR PRODUCING PAPER PULP, LIGNINS AND SUGARS AND PROCESS FOR PRODUCING THE SAME
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
CN103498375B (en) * 2013-09-24 2015-06-03 昆明理工大学 Method for pulping by broussonetia papyrifera white-bark
BR102014027199B1 (en) * 2014-07-14 2022-10-04 Nalco Company METHOD TO IMPROVE THE MANUFACTURING OF SODA OR KRAFT PULP

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE353105C (en) * 1921-07-16 1922-05-18 Leopold Enge Process for the production of wood pulp
SE373397C (en) * 1972-03-30 1984-02-06 Mo Och Domsjoe Ab WAY TO IMPROVE THE WHEATING WHITING WHEN BLINDING CELLULOSAMASSA WITH AN ACID CONTAINING 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
WO1992007994A1 (en) 1992-05-14
FI931854A7 (en) 1993-04-23
FI931854L (en) 1993-04-23
EP0554391B1 (en) 1997-04-16
CN1061452A (en) 1992-05-27
PL168216B1 (en) 1996-01-31
NO931486L (en) 1993-04-22
CA2094819C (en) 1999-02-02
AU9022291A (en) 1992-05-26
ATE151824T1 (en) 1997-05-15
RU2068904C1 (en) 1996-11-10
CA2094819A1 (en) 1992-04-25
DE69125722D1 (en) 1997-05-22
CN1028250C (en) 1995-04-19
MX9101706A (en) 1992-06-05
FI931854A0 (en) 1993-04-23
EP0554391A1 (en) 1993-08-11
NO931486D0 (en) 1993-04-22
ZA918441B (en) 1992-07-29
DE69125722T2 (en) 1997-09-04
NO302187B1 (en) 1998-02-02

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