SE8506079L - Forfarande och system for sulfonering av fibrer i mekanisk massa - Google Patents

Forfarande och system for sulfonering av fibrer i mekanisk massa

Info

Publication number
SE8506079L
SE8506079L SE8506079A SE8506079A SE8506079L SE 8506079 L SE8506079 L SE 8506079L SE 8506079 A SE8506079 A SE 8506079A SE 8506079 A SE8506079 A SE 8506079A SE 8506079 L SE8506079 L SE 8506079L
Authority
SE
Sweden
Prior art keywords
slurry
sodium sulfite
tank
pressurized vessel
mixing tank
Prior art date
Application number
SE8506079A
Other languages
Unknown language ( )
English (en)
Other versions
SE468818B (sv
SE8506079D0 (sv
Inventor
S B Beaulieu
Original Assignee
Bear Island Paper Co
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 Bear Island Paper Co filed Critical Bear Island Paper Co
Publication of SE8506079D0 publication Critical patent/SE8506079D0/sv
Publication of SE8506079L publication Critical patent/SE8506079L/sv
Publication of SE468818B publication Critical patent/SE468818B/sv

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
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • 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
    • D21C3/266—Multistage processes the same pulping agent being used in all stages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Multicomponent Fibers (AREA)
  • Preliminary Treatment Of Fibers (AREA)
SE8506079A 1984-12-31 1985-12-20 Foerfarande och anordning foer sulfonering i tvaa steg av fibrer i mekanisk massa SE468818B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/687,977 US4708771A (en) 1984-12-31 1984-12-31 Two stage process for sulfonating mechanical pulp fibers

Publications (3)

Publication Number Publication Date
SE8506079D0 SE8506079D0 (sv) 1985-12-20
SE8506079L true SE8506079L (sv) 1986-07-01
SE468818B SE468818B (sv) 1993-03-22

Family

ID=24762615

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8506079A SE468818B (sv) 1984-12-31 1985-12-20 Foerfarande och anordning foer sulfonering i tvaa steg av fibrer i mekanisk massa

Country Status (6)

Country Link
US (1) US4708771A (sv)
AU (1) AU588006B2 (sv)
CA (1) CA1250702A (sv)
FI (1) FI90441C (sv)
NO (1) NO171997C (sv)
SE (1) SE468818B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522967A (en) * 1994-05-27 1996-06-04 Kimberly-Clark Corporation Sulfonated cellulose and method of preparation
US5703225A (en) * 1995-12-13 1997-12-30 Kimberly-Clark Worldwide, Inc. Sulfonated cellulose having improved absorbent properties
US6500947B1 (en) * 2001-08-24 2002-12-31 Weyerhaeuser Company Superabsorbent polymer
US20030034136A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030034137A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030024663A1 (en) * 2002-07-19 2003-02-06 Neogi Amar N. Superabsorbent cellulosic fiber
US20030035950A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20100175840A1 (en) * 2007-06-12 2010-07-15 Hart Peter W High yield and enhanced performance fiber
US20080308239A1 (en) * 2007-06-12 2008-12-18 Hart Peter W Fiber blend having high yield and enhanced pulp performance and method for making same
WO2008153565A1 (en) 2007-06-12 2008-12-18 Meadwestvaco Corporation A fiber blend having high yield and enhanced pulp performance and method for making same
GB201304717D0 (en) 2013-03-15 2013-05-01 Imerys Minerals Ltd Paper composition

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US179103A (en) * 1876-06-27 Improvement in the processes for manufacturing paper-pulp from wood
CA554831A (en) * 1958-03-25 A. Ohlin Erik Method of producing semi-pulp from wood
US3711366A (en) * 1966-08-03 1973-01-16 Kokusaku Pulp Ind Co Ltd Digesting lignocellulosic material with sodium hydroxymethylsulfonate
US3607618A (en) * 1967-11-06 1971-09-21 Process Dev Corp Wood-pulping process
CA1075857A (en) * 1976-02-20 1980-04-22 Price Company Limited (The) Chemical pretreatment of wood prior to making refiner groundwood
US4145246A (en) * 1976-07-19 1979-03-20 Crown Zellerbach Corporation Process for making high-strength, high-yield sulfite-modified thermomechanical pulp and a linerboard composition produced therefrom
CA1071805A (en) * 1977-10-25 1980-02-19 Ontario Paper Company Limited (The) Drainage and wet stretch improvement in mechanical pulps
US4502918A (en) * 1981-06-10 1985-03-05 Macmillan Bloedel Limited Two-stage chemical treatment of mechanical wood pulp with sodium sulfite
CA1177607A (en) * 1981-06-10 1984-11-13 David M. Mackie Chemical treatment of mechanical wood pulp
US4486267A (en) * 1983-11-14 1984-12-04 Mead Corporation Chemithermomechanical pulping process employing separate alkali and sulfite treatments

Also Published As

Publication number Publication date
AU588006B2 (en) 1989-09-07
NO171997B (no) 1993-02-15
FI90441B (sv) 1993-10-29
FI855119A (sv) 1986-07-01
CA1250702A (en) 1989-03-07
NO855245L (no) 1986-07-01
FI855119A0 (sv) 1985-12-20
SE468818B (sv) 1993-03-22
FI90441C (sv) 1994-02-10
US4708771A (en) 1987-11-24
NO171997C (no) 1993-05-26
SE8506079D0 (sv) 1985-12-20
AU5027785A (en) 1986-07-10

Similar Documents

Publication Publication Date Title
SE8506079L (sv) Forfarande och system for sulfonering av fibrer i mekanisk massa
DE3368090D1 (en) Process for preparing paper pulps from a random mixture of printed waste paper
KR930018098A (ko) 티슈-급 종이 섬유를 만드는 폐지의 일관 펄프화 방법
FR2525646B1 (fr) Procede et colorant pour la teinture des fibres de cellulose ou de ses fibres mixtes
BE901580A (fr) Procede de traitement de fibres de polyaramides.
NO913757D0 (no) Sukkerblanding omfattende opploeselige fibre.
FR2467910B1 (sv)
DE3363132D1 (en) Process for the continuous removal of silicic acid from waste liquors deriving from cellulose pulp production
DE3772967D1 (de) Verfahren sowie anlage zur aufloesung von papierstoff.
ES554937A0 (es) Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion
US2920010A (en) Manufacture of wood pulp
SE7901031L (sv) Forfarande for aterupparbetning av hogverdig makulatur
ATE45197T1 (de) Verfahren zur herstellung einer teilweise oxydierten konzentrierten pulpefluessigkeit.
SE442881B (sv) Forfarande for delignifiering/blekning av cellulosamassa med klordioxid
ATE210219T1 (de) Verfahren zur herstellung von papiermasse
US2445838A (en) Treatment of waste sulfite liquor
SE8008115L (sv) Forfarande for utnyttjande av avloppsvattenfellningar
GB1003646A (en) Improved deinking process
KR880000335A (ko) 잉여오니(剩餘汚泥)의 탈수방법
Herbet et al. A kraft bleach waste colour reduction process integrated with the recovery system
KR840005762A (ko) 사탕수수 섬유(버개스)펄프의 개질방법
US2810647A (en) Process of preparing fiber from pithcontaining plant materials
KR940000683A (ko) 일회용 지기(紙器)의 제조방법
GB731949A (en) Improvements in or relating to the production of paper pulp
TH1466A (th) กรรมวิธีสำหรับดัดแปลงเยื่อชานอ้อย

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8506079-6

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8506079-6

Format of ref document f/p: F