CA996312A - Process for producing refined and bleached pulp - Google Patents

Process for producing refined and bleached pulp

Info

Publication number
CA996312A
CA996312A CA163,066A CA163066A CA996312A CA 996312 A CA996312 A CA 996312A CA 163066 A CA163066 A CA 163066A CA 996312 A CA996312 A CA 996312A
Authority
CA
Canada
Prior art keywords
bleached pulp
producing refined
refined
producing
bleached
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
CA163,066A
Other versions
CA163066S (en
Inventor
Romeo J. Conca
Howard J. Wick
Dexter Edge (Jr.)
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.)
ITT Inc
Original Assignee
ITT Industries 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 ITT Industries Inc filed Critical ITT Industries Inc
Priority to CA250,064A priority Critical patent/CA1011507A/en
Application granted granted Critical
Publication of CA996312A publication Critical patent/CA996312A/en
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
    • 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
    • D21C3/04—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

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)
CA163,066A 1972-02-08 1973-02-07 Process for producing refined and bleached pulp Expired CA996312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA250,064A CA1011507A (en) 1972-02-08 1976-04-12 Process for producing refined and bleached pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22459372A 1972-02-08 1972-02-08

Publications (1)

Publication Number Publication Date
CA996312A true CA996312A (en) 1976-09-07

Family

ID=22841332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA163,066A Expired CA996312A (en) 1972-02-08 1973-02-07 Process for producing refined and bleached pulp

Country Status (3)

Country Link
JP (1) JPS5134481B2 (en)
CA (1) CA996312A (en)
FI (1) FI54945C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3347522A4 (en) * 2015-09-07 2019-02-20 Domsjö Fabriker AB Novel dissolving pulp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3347522A4 (en) * 2015-09-07 2019-02-20 Domsjö Fabriker AB Novel dissolving pulp

Also Published As

Publication number Publication date
FI54945B (en) 1978-12-29
FI54945C (en) 1979-04-10
JPS4891302A (en) 1973-11-28
JPS5134481B2 (en) 1976-09-27

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