CA980065A - Regeneration of decoked alkaline sulfite pulp liquor - Google Patents

Regeneration of decoked alkaline sulfite pulp liquor

Info

Publication number
CA980065A
CA980065A CA143,220A CA143220A CA980065A CA 980065 A CA980065 A CA 980065A CA 143220 A CA143220 A CA 143220A CA 980065 A CA980065 A CA 980065A
Authority
CA
Canada
Prior art keywords
decoked
regeneration
sulfite pulp
pulp liquor
alkaline sulfite
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
CA143,220A
Other versions
CA143220S (en
Inventor
Howard V. Hess
William F. Franz
Edward L. Cole
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.)
Texaco Development Corp
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Application granted granted Critical
Publication of CA980065A publication Critical patent/CA980065A/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor
CA143,220A 1971-06-03 1972-05-26 Regeneration of decoked alkaline sulfite pulp liquor Expired CA980065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14986371A 1971-06-03 1971-06-03

Publications (1)

Publication Number Publication Date
CA980065A true CA980065A (en) 1975-12-23

Family

ID=22532112

Family Applications (1)

Application Number Title Priority Date Filing Date
CA143,220A Expired CA980065A (en) 1971-06-03 1972-05-26 Regeneration of decoked alkaline sulfite pulp liquor

Country Status (2)

Country Link
US (1) US3761349A (en)
CA (1) CA980065A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067767A (en) * 1972-10-05 1978-01-10 Texaco Inc. Liquid phase coking of spent kraft pulping liquors
RU2141017C1 (en) * 1999-03-29 1999-11-10 Оао "Цнииб" METHOD OF NEUTRALIZATION OF SPENT LIQUOR ON Mg BASE PRIOR TO EVAPORATION IN PRODUCTION OF CELLULOSE
RU2149231C1 (en) * 1999-08-10 2000-05-20 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" Method of preparing bisulfite magnesium-based cooking liquor for cellulose production
RU2244774C1 (en) * 2004-02-06 2005-01-20 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Method for production of magnesium-based bisulfite cooking liquor for cellulose manufacturing
RU2303093C1 (en) * 2005-12-06 2007-07-20 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Method of preparing magnesium-based bisulfite cooking liquor for cooking cellulose using regenerated chemicals
RU2306373C1 (en) * 2005-12-22 2007-09-20 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Method of preparing bisulfite cooking liquor on magnesium base for production of cellulose
RU2378431C1 (en) * 2008-06-24 2010-01-10 Эдуард Львович Аким Method for production of solutions for sulfite pulping of wood
RU2385371C1 (en) * 2008-11-18 2010-03-27 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Method to produce bisulphate magnesium-based cooking liquor for manufacture of cellulose

Also Published As

Publication number Publication date
US3761349A (en) 1973-09-25

Similar Documents

Publication Publication Date Title
AU462469B2 (en) A process for bleaching cellulose pulp
AU460165B2 (en) Bleaching process
AU465407B2 (en) Polyolefin pulp and process for producing same
ZA72213B (en) Pyrolysis of spent pulping liquors
CA941655A (en) Pulp refiners
CA958158A (en) Removing sodium chloride from kraft pulping process
CA962012A (en) Wet air oxidation of alkaline pulp liquors
CA943707A (en) Delignification of chemical cellulosic pulp
CA992266A (en) Method for fractionating sulfite waste liquor
AU514721B2 (en) Regeneration of pulping liquor
CA980513A (en) Bleaching of waste paper pulp
CA968507A (en) Bleaching of mechanical pulps
CA989560A (en) Coking of spent pulping liquors used in the alkaline sulfite process
CA953858A (en) Catalytic oxidation of alkaline pulping liquor
CA928009A (en) Method for manufacturing sulfite pulp cooking liquor from sulfite pulp spent liquor
CA968085A (en) Process for treating ammonia-base waste sulfite liquor
CA847218A (en) Alkaline sulfite pulping
CA968914A (en) Coking of waste alkaline sulfite pulp liquor at lowered ph
CA975111A (en) Bleaching cellulosic pulp
CA937707A (en) Recovery of kraft white liquor
CA876609A (en) Processing of magnesia-base pulping liquor
CA861979A (en) Pulp bleaching process
CA973311A (en) Method of bleaching cellulose pulp
CA834632A (en) Sulfite pulping process
CA899860A (en) Methods of isolating d-xylose from hardwood sulphite liquor