CA1004412A - Process for treating spent ammonia-based sulfite pulping liquors - Google Patents

Process for treating spent ammonia-based sulfite pulping liquors

Info

Publication number
CA1004412A
CA1004412A CA163,880A CA163880A CA1004412A CA 1004412 A CA1004412 A CA 1004412A CA 163880 A CA163880 A CA 163880A CA 1004412 A CA1004412 A CA 1004412A
Authority
CA
Canada
Prior art keywords
sulfite pulping
treating spent
pulping liquors
spent ammonia
based 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
CA163,880A
Other languages
English (en)
Other versions
CA163880S (en
Inventor
Edward L. Cole
Howard V. Hess
William F. Franz
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 CA1004412A publication Critical patent/CA1004412A/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
    • D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
CA163,880A 1972-02-17 1973-02-16 Process for treating spent ammonia-based sulfite pulping liquors Expired CA1004412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22711572A 1972-02-17 1972-02-17

Publications (1)

Publication Number Publication Date
CA1004412A true CA1004412A (en) 1977-02-01

Family

ID=22851798

Family Applications (1)

Application Number Title Priority Date Filing Date
CA163,880A Expired CA1004412A (en) 1972-02-17 1973-02-16 Process for treating spent ammonia-based sulfite pulping liquors

Country Status (4)

Country Link
JP (1) JPS5149002B2 (enExample)
CA (1) CA1004412A (enExample)
DE (1) DE2247600A1 (enExample)
IT (1) IT973220B (enExample)

Also Published As

Publication number Publication date
JPS4892603A (enExample) 1973-12-01
JPS5149002B2 (enExample) 1976-12-24
IT973220B (it) 1974-06-10
DE2247600A1 (de) 1973-08-23

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