CA955707A - Production of pulp - Google Patents

Production of pulp

Info

Publication number
CA955707A
CA955707A CA187,733A CA955707DA CA955707A CA 955707 A CA955707 A CA 955707A CA 955707D A CA955707D A CA 955707DA CA 955707 A CA955707 A CA 955707A
Authority
CA
Canada
Prior art keywords
pulp
production
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
CA187,733A
Inventor
William H. Rapson
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.)
Erco Envirotech Ltd
Original Assignee
Erco Envirotech 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 CA106,032A external-priority patent/CA947010A/en
Application filed by Erco Envirotech Ltd filed Critical Erco Envirotech Ltd
Application granted granted Critical
Publication of CA955707A publication Critical patent/CA955707A/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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these 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
    • D21C3/18—Pulping cellulose-containing materials with halogens or halogen-generating compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
CA187,733A 1971-02-23 1973-12-10 Production of pulp Expired CA955707A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA106,032A CA947010A (en) 1971-02-23 1971-02-23 Chlorination of alkali metal carbonates recovered from the production of pulp
US11929471A 1971-02-26 1971-02-26
CA187733 1973-12-10

Publications (1)

Publication Number Publication Date
CA955707A true CA955707A (en) 1974-10-08

Family

ID=27161022

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,733A Expired CA955707A (en) 1971-02-23 1973-12-10 Production of pulp

Country Status (1)

Country Link
CA (1) CA955707A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288286A (en) * 1978-12-08 1981-09-08 Hooker Chemicals & Plastics Corp. Kraft mill recycle process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288286A (en) * 1978-12-08 1981-09-08 Hooker Chemicals & Plastics Corp. Kraft mill recycle process

Similar Documents

Publication Publication Date Title
CA964471A (en) Production of titanium
CA933400A (en) Production of paperboard
AU470059B2 (en) Production of coated roadstone
CA958856A (en) Production of pigments
CA986124A (en) Production of 4-methyloxazoles
CA977504A (en) Production of bleached high yield pulp
CA978941A (en) Production of anthraquinone
CA955707A (en) Production of pulp
GB1366993A (en) Production of 1-alkyl-3-arylindans
CA974546A (en) Production of formaldehyde
CA880656A (en) Production of paper
CA973894A (en) Production of gem-polymethylcyclohexanes
CA872282A (en) Production of 2-methylhepten-2-en-6-one
CA882709A (en) Production of n-acylethionimides
CA882702A (en) Production of sulfitobetaines
CA878527A (en) Production of sulfatobetaines
CA873365A (en) Production of o-aminobenzonitriles
CA872829A (en) Production of sulfitobetaines
CA887673A (en) Production of alk-1-en-6-ones
AU471652B2 (en) Production of fibre assemblies
CA872705A (en) Process for the production of pulp
AU449656B2 (en) Production of yarn
CA887552A (en) Method of manufacturing pulp
AU4994272A (en) Production of stencils
CA876414A (en) Production of yarns