CA1001364A - Process for the oxidation of waste liquors arising from the manufacture of paper pulp - Google Patents

Process for the oxidation of waste liquors arising from the manufacture of paper pulp

Info

Publication number
CA1001364A
CA1001364A CA195,972A CA195972A CA1001364A CA 1001364 A CA1001364 A CA 1001364A CA 195972 A CA195972 A CA 195972A CA 1001364 A CA1001364 A CA 1001364A
Authority
CA
Canada
Prior art keywords
oxidation
manufacture
paper pulp
waste liquors
arising
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
CA195,972A
Other languages
English (en)
Inventor
Yves G. Garrigues
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.)
Groupement Europeen de la Cellulose
Original Assignee
Groupement Europeen de la Cellulose
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 Groupement Europeen de la Cellulose filed Critical Groupement Europeen de la Cellulose
Application granted granted Critical
Publication of CA1001364A publication Critical patent/CA1001364A/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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • 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
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
CA195,972A 1973-03-28 1974-03-26 Process for the oxidation of waste liquors arising from the manufacture of paper pulp Expired CA1001364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7311209A FR2223504B1 (fr) 1973-03-28 1973-03-28

Publications (1)

Publication Number Publication Date
CA1001364A true CA1001364A (en) 1976-12-14

Family

ID=9117012

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,972A Expired CA1001364A (en) 1973-03-28 1974-03-26 Process for the oxidation of waste liquors arising from the manufacture of paper pulp

Country Status (5)

Country Link
US (1) US4073727A (fr)
BR (1) BR7402290D0 (fr)
CA (1) CA1001364A (fr)
ES (1) ES424741A1 (fr)
FR (1) FR2223504B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5061377A (en) * 1989-07-25 1991-10-29 Canadian Liquid Air Ltd./Air Liquide Canada Pipeline reactor and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2690425A (en) * 1950-03-23 1954-09-28 Du Pont Waste disposal process
US2774585A (en) * 1953-08-17 1956-12-18 John J Wirts Apparatus for purifying liquid materials
US3178260A (en) * 1961-03-02 1965-04-13 Papel Loreto & Pena Pobre Method for the oxidation of black liquor
US3207572A (en) * 1961-09-12 1965-09-21 Ass Pulp & Paper Mills Wet combustion of waste liquors
US3545731A (en) * 1966-11-08 1970-12-08 Gen Dynamics Corp Apparatus for producing bubbles of very small,microscopic size
US3696929A (en) * 1970-11-27 1972-10-10 Chemical Construction Corp Apparatus for the oxidation of liquids

Also Published As

Publication number Publication date
FR2223504A1 (fr) 1974-10-25
FR2223504B1 (fr) 1975-10-31
US4073727A (en) 1978-02-14
BR7402290D0 (pt) 1974-11-19
ES424741A1 (es) 1976-06-01

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