ES2006197A6 - Procedimiento para la formacion de pasta quimica - Google Patents

Procedimiento para la formacion de pasta quimica

Info

Publication number
ES2006197A6
ES2006197A6 ES8702011A ES8702011A ES2006197A6 ES 2006197 A6 ES2006197 A6 ES 2006197A6 ES 8702011 A ES8702011 A ES 8702011A ES 8702011 A ES8702011 A ES 8702011A ES 2006197 A6 ES2006197 A6 ES 2006197A6
Authority
ES
Spain
Prior art keywords
high yield
trozos
bits
fiber
chemical pulping
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
Application number
ES8702011A
Other languages
English (en)
Inventor
Zenon C Prusas
Clarence L Oates
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.)
Mead Corp
Original Assignee
Mead Corp
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 Mead Corp filed Critical Mead Corp
Publication of ES2006197A6 publication Critical patent/ES2006197A6/es
Expired 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/10—Physical methods for facilitating impregnation
    • 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

Landscapes

  • Paper (AREA)

Abstract

PROCEDIMIENTO PARA LA FORMACION DE PASTA QUIMICA QUE COMPRENDE DESFIBRAR (12) PARCIALMENTE TROZOS DE MADERA DE TAL MODO QUE LAS FIBRAS DE DICHOS TROZOS SE SEPAREN SUSTANCIALMENTE UNAS DE OTRAS, PERO MANTENIENDO UNA UNION SUFICIENTE ENTRE LAS FIBRAS PARA CONSERVAR LA INTEGRIDAD DE LOS TROZOS Y PROPORCIONAR ASI TROZOS QUE PRESENTAN UNA ESTRUCTURA FIBROSA, POROSA Y ABIERTA; Y SOMETER DICHOS TROZOS PARCIALMENTE DESFIBRADOS A UNA OPERACION DE FORMACION DE PASTA QUIMICA A TEMPERATURA ELEVADA (20), PARA SEPARAR LA MAYORIA DE LA LIGNINA DE DICHOS TROZOS.
ES8702011A 1986-07-09 1987-07-09 Procedimiento para la formacion de pasta quimica Expired ES2006197A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88389986A 1986-07-09 1986-07-09

Publications (1)

Publication Number Publication Date
ES2006197A6 true ES2006197A6 (es) 1989-04-16

Family

ID=25383562

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8702011A Expired ES2006197A6 (es) 1986-07-09 1987-07-09 Procedimiento para la formacion de pasta quimica

Country Status (7)

Country Link
JP (1) JPS6385194A (es)
KR (1) KR880001885A (es)
BR (1) BR8703492A (es)
CA (1) CA1286455C (es)
ES (1) ES2006197A6 (es)
FI (1) FI873026A (es)
SE (1) SE8702808L (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020059929A (ja) * 2018-10-04 2020-04-16 日本製紙株式会社 植物繊維束

Also Published As

Publication number Publication date
CA1286455C (en) 1991-07-23
KR880001885A (ko) 1988-04-27
SE8702808L (sv) 1988-01-10
FI873026A (fi) 1988-01-10
BR8703492A (pt) 1988-03-22
JPS6385194A (ja) 1988-04-15
SE8702808D0 (sv) 1987-07-08
FI873026A0 (fi) 1987-07-08

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001204