FR2223504B1 - - Google Patents

Info

Publication number
FR2223504B1
FR2223504B1 FR7311209A FR7311209A FR2223504B1 FR 2223504 B1 FR2223504 B1 FR 2223504B1 FR 7311209 A FR7311209 A FR 7311209A FR 7311209 A FR7311209 A FR 7311209A FR 2223504 B1 FR2223504 B1 FR 2223504B1
Authority
FR
France
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
FR7311209A
Other versions
FR2223504A1 (fr
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.)
Europeen Cellulose
Original Assignee
Europeen 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 Europeen Cellulose filed Critical Europeen Cellulose
Priority to FR7311209A priority Critical patent/FR2223504B1/fr
Priority to US05/453,046 priority patent/US4073727A/en
Priority to BR2290/74A priority patent/BR7402290D0/pt
Priority to CA195,972A priority patent/CA1001364A/en
Priority to ES424741A priority patent/ES424741A1/es
Publication of FR2223504A1 publication Critical patent/FR2223504A1/fr
Application granted granted Critical
Publication of FR2223504B1 publication Critical patent/FR2223504B1/fr
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
FR7311209A 1973-03-28 1973-03-28 Expired FR2223504B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7311209A FR2223504B1 (fr) 1973-03-28 1973-03-28
US05/453,046 US4073727A (en) 1973-03-28 1974-03-20 Process for the oxidation of waste liquors arising from the manufacture of paper pulp
BR2290/74A BR7402290D0 (pt) 1973-03-28 1974-03-22 Processo de oxidacao de licor
CA195,972A CA1001364A (en) 1973-03-28 1974-03-26 Process for the oxidation of waste liquors arising from the manufacture of paper pulp
ES424741A ES424741A1 (es) 1973-03-28 1974-03-28 Procedimiento para la oxidacion de licor a base de sosa y de sulfuro de sodio utilizado en la fabricacion de la pasta de papel.

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2223504A1 FR2223504A1 (fr) 1974-10-25
FR2223504B1 true FR2223504B1 (fr) 1975-10-31

Family

ID=9117012

Family Applications (1)

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

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
ES424741A1 (es) 1976-06-01
CA1001364A (en) 1976-12-14
FR2223504A1 (fr) 1974-10-25
US4073727A (en) 1978-02-14
BR7402290D0 (pt) 1974-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse