SE7511293L - Massaframstellningsprocess - Google Patents

Massaframstellningsprocess

Info

Publication number
SE7511293L
SE7511293L SE7511293A SE7511293A SE7511293L SE 7511293 L SE7511293 L SE 7511293L SE 7511293 A SE7511293 A SE 7511293A SE 7511293 A SE7511293 A SE 7511293A SE 7511293 L SE7511293 L SE 7511293L
Authority
SE
Sweden
Prior art keywords
production process
mass production
lignocellulosic material
pulp
cooking treatment
Prior art date
Application number
SE7511293A
Other languages
English (en)
Other versions
SE452342B (sv
Inventor
Ya Wakai M Nomura
H Sato
Original Assignee
Honshu Paper 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
Priority claimed from JP11548674A external-priority patent/JPS5143403A/ja
Priority claimed from JP3645075A external-priority patent/JPS51112903A/ja
Application filed by Honshu Paper Co Ltd filed Critical Honshu Paper Co Ltd
Publication of SE7511293L publication Critical patent/SE7511293L/sv
Publication of SE452342B publication Critical patent/SE452342B/sv

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
    • D21C3/003Pulping cellulose-containing materials with organic compounds
    • 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
    • D21C3/04Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • 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
    • D21C3/222Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
SE7511293A 1974-10-09 1975-10-08 Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling SE452342B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11548674A JPS5143403A (en) 1974-10-09 1974-10-09 Arukariparupuno seizohoho
JP3645075A JPS51112903A (en) 1975-03-26 1975-03-26 Process for digesting lignocellulose material with sulphites

Publications (2)

Publication Number Publication Date
SE7511293L true SE7511293L (sv) 1976-04-12
SE452342B SE452342B (sv) 1987-11-23

Family

ID=26375511

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7511293A SE452342B (sv) 1974-10-09 1975-10-08 Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling

Country Status (2)

Country Link
CA (1) CA1079906A (sv)
SE (1) SE452342B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane

Also Published As

Publication number Publication date
SE452342B (sv) 1987-11-23
CA1079906A (en) 1980-06-24

Similar Documents

Publication Publication Date Title
ES460856A1 (es) Procedimiento para la obtencion de glucosa de materias pri- mas vegetales celulosicas.
ES452669A1 (es) Un metodo de tratamiento de residuos agricolas celulosicos para obtener productos utiles, tales como pasta de papel, celulosa de la pureza deseada y azucares fermentables.
CA1013600A (en) Method of producing fiber pulp from vegetable or fibrous material
SE7511293L (sv) Massaframstellningsprocess
ES409498A1 (es) Un metodo para la produccion de pasta de papel.
SE7601284L (sv) Forfarande for framstellning av kemisk massa av lovved
GB1064567A (en) Method in the manufacture of chemo-mechanical pulps by heating and defibrating in a vapour atmosphere under pressure and at increased temperature of wood chips impregnated with sulphite solution
SE7612248L (sv) Kokning av lignocellulosahaltiga material
CA1018306A (en) Method of producing char from waste liquor of pulp manufacturing process
ES390676A1 (es) Un metodo de fabricar tableros de fibras ligno-celulosicas.
JPS5227827A (en) Process for producing fibrous materials based on alkali titanates
SU507677A1 (ru) Способ получени целлюлозы
SU522300A1 (ru) Способ получени целлюлозы
ES456679A1 (es) Un procedimiento de preparacion de celulosa alcalina.
GB827921A (en) Improvements in or relating to a process for producing sugars from cellulosic material
SU503966A1 (ru) Способ получени целлюлозного волокнистого полуфабриката
SE7609148L (sv) Forfarande for framstellning av cellulosa
ES236644A1 (es) PROCEDIMIENTO DE PREPARACIoN DE PASTAS CELULOSAS
SE7812047L (sv) Sett for framstellning av sulfatmassa
JPS52110902A (en) Process for increasing pulp yield by treating wood chip with oxygen prior to chemical pulping
SU575391A1 (ru) Способ обработки полиформальдегидного волокна
FR2281455A1 (fr) Procede et appareil de trituration de matieres premieres cellulosiques
CA529238A (en) Method of treating residual liquors obtained in the manufacture of pulp by the sulphate cellulose process
CA873234A (en) Process for increasing the yield of high lignin content kraft pulp
ES403377A1 (es) Metodo para la produccion de pasta celulosica de brillo au-mentado.

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7511293-8

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7511293-8

Format of ref document f/p: F