FI46754C - A method for the continuous production of cellulosic pulp from wood chips using a sulphite slurry. - Google Patents

A method for the continuous production of cellulosic pulp from wood chips using a sulphite slurry.

Info

Publication number
FI46754C
FI46754C FI661025A FI102566A FI46754C FI 46754 C FI46754 C FI 46754C FI 661025 A FI661025 A FI 661025A FI 102566 A FI102566 A FI 102566A FI 46754 C FI46754 C FI 46754C
Authority
FI
Finland
Prior art keywords
continuous production
wood chips
cellulosic pulp
sulphite slurry
sulphite
Prior art date
Application number
FI661025A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI46754B (en
Inventor
Asplund
Cederquist
Reinhall
Original Assignee
Defibrator Ab
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 Defibrator Ab filed Critical Defibrator Ab
Application granted granted Critical
Publication of FI46754B publication Critical patent/FI46754B/fi
Publication of FI46754C publication Critical patent/FI46754C/en

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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • 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
    • D21C3/24—Continuous processes
FI661025A 1965-04-21 1966-04-20 A method for the continuous production of cellulosic pulp from wood chips using a sulphite slurry. FI46754C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE5153/65A SE306874B (en) 1965-04-21 1965-04-21

Publications (2)

Publication Number Publication Date
FI46754B FI46754B (en) 1973-02-28
FI46754C true FI46754C (en) 1973-06-11

Family

ID=20265832

Family Applications (1)

Application Number Title Priority Date Filing Date
FI661025A FI46754C (en) 1965-04-21 1966-04-20 A method for the continuous production of cellulosic pulp from wood chips using a sulphite slurry.

Country Status (2)

Country Link
FI (1) FI46754C (en)
SE (1) SE306874B (en)

Also Published As

Publication number Publication date
SE306874B (en) 1968-12-09
FI46754B (en) 1973-02-28

Similar Documents

Publication Publication Date Title
FI52879C (en) Apparatus for effecting a substantially instantaneous reaction between a fibrous cellulosic pulp and a gaseous reagent.
FI45573C (en) Method for the production of bleached pulp.
FI42161C (en) A method for the continuous production of mechanical and semi-chemical pulps from a lignocellulosic material
FI46675C (en) A method for binding a fibrous material.
DK120929C (en) Method for producing a web of fibrous material.
FI44513C (en) Apparatus for the continuous production of pulp from a lignocellulosic material
FI49202C (en) Process for the production of newsprint containing 65% abrasive pulp a.
DK109015C (en) Method for reductive bleaching of wood pulp with low cellulose content.
FI45572C (en) Method for preserving lignin during bleaching of cellulose pulp.
FI44325C (en) Method for bleaching cellulose pulp
FI46754C (en) A method for the continuous production of cellulosic pulp from wood chips using a sulphite slurry.
FI43812C (en) Paper machine headbox
FR1541073A (en) Process for making cellulosic fibrous materials crease-resistant
OA00199A (en) Process for bleaching cellulose pulp.
FI48859C (en) A method for bleaching a lignocellulosic material such as wood pulp.
FI44189C (en) Method for making pulps from lignocellulosic feedstock
FI48367C (en) Bleaching method for cellulose pulp.
CH438913A (en) Process for bleaching cellulose pulp
FI49123C (en) A method for heat treating a wood-based fibrous material made from slurry pulp.
FI43493C (en) A method for the continuous production of fibreboards from a lignocellulosic material
AU621566A (en) Dewatering watery pulp. v
CA696422A (en) Apparatus for classification of materials, particularly wood chips or cellulosic pulp
CA767408A (en) Method of dewatering cellulose pulp, particularly the dewatering of unbleached sulphate pulp
FI43947C (en) Method for the production of bleached cellulose
FR1397833A (en) Process for the production of paper pulp by refining wood chips