FR2238800B1 - - Google Patents

Info

Publication number
FR2238800B1
FR2238800B1 FR7425731A FR7425731A FR2238800B1 FR 2238800 B1 FR2238800 B1 FR 2238800B1 FR 7425731 A FR7425731 A FR 7425731A FR 7425731 A FR7425731 A FR 7425731A FR 2238800 B1 FR2238800 B1 FR 2238800B1
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
FR7425731A
Other versions
FR2238800A1 (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.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
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 SE7310328A external-priority patent/SE387673B/xx
Application filed by Mo och Domsjo AB filed Critical Mo och Domsjo AB
Publication of FR2238800A1 publication Critical patent/FR2238800A1/fr
Application granted granted Critical
Publication of FR2238800B1 publication Critical patent/FR2238800B1/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
FR7425731A 1973-07-25 1974-07-24 Expired FR2238800B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE7310328A SE387673B (sv) 1973-07-25 1973-07-25 Forfarande for nyttiggorande av aktivt alkali vid natriumbaserade cellulosafabriker, varvid kokavluten forbrennes
US49053074A 1974-07-22 1974-07-22
US05/679,945 US4053352A (en) 1973-07-25 1976-04-26 Method for producing oxidized white liquor

Publications (2)

Publication Number Publication Date
FR2238800A1 FR2238800A1 (fr) 1975-02-21
FR2238800B1 true FR2238800B1 (fr) 1977-03-18

Family

ID=27355044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425731A Expired FR2238800B1 (fr) 1973-07-25 1974-07-24

Country Status (4)

Country Link
US (1) US4053352A (fr)
AT (1) AT338612B (fr)
AU (1) AU473185B2 (fr)
FR (1) FR2238800B1 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162187A (en) * 1974-05-09 1979-07-24 The Mead Corporation Process for production of sodium thiosulfate and sodium hydroxide
SE411772B (sv) * 1978-04-07 1980-02-04 Sca Development Ab Sett for minskning av utsleppen till recipient och atmosfer vid uppslutning av cellulosahaltigt material
US4299652A (en) * 1978-07-31 1981-11-10 Ebara Corporation Process for recovery of pulp mill chemicals
SE462919B (sv) * 1979-05-11 1990-09-17 Sunds Defibrator Ind Ab Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre
WO1980002574A1 (fr) * 1979-05-18 1980-11-27 Australian Paper Manufacturers Reutilisation de la liqueur de pate a papier
US4334956A (en) * 1980-11-20 1982-06-15 Australian Paper Manufacturers Limited Method of reutilizing kraft spent liquor
US4349435A (en) * 1980-11-24 1982-09-14 Celanese Corporation Control of anaerobic filter
AU7782181A (en) * 1980-11-25 1982-06-03 Australian Paper Manufacturers Limited Oxidisation of spent pulp liquor
US4347102A (en) * 1981-04-02 1982-08-31 Combustion Engineering, Inc. Elimination of potassium compounds from sodium-based pulped cycles
FI70612C (fi) * 1985-03-26 1986-09-24 Enso Gutzeit Oy Foerfarande foer filtrering av till kalk regenererad mesa
US5082526A (en) * 1989-01-23 1992-01-21 Pulp And Paper Research Institute Of Canada Process of producing kraft pulping liquor by the oxidation of white liquor in the presence of lime mud
US5143702A (en) * 1990-10-22 1992-09-01 A. H. Lundberg Associates, Inc. Two stage white liquor oxidation apparatus
US5382322A (en) * 1991-10-18 1995-01-17 Air Products And Chemicals, Inc. Selective white liquor oxidation
GB9206415D0 (en) * 1992-03-24 1992-05-06 Albright & Wilson Stabilisation of bleach liquors
WO1994001616A1 (fr) * 1992-07-09 1994-01-20 Kamyr, Inc. Oxydation de lessive fraiche a utiliser dans une usine de blanchiment de papier
US5439556A (en) * 1993-08-16 1995-08-08 The Boc Group, Inc. Oxidation of white liquor using a packing column
US6210527B1 (en) 1994-03-14 2001-04-03 The Boc Group, Inc. Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream
US5582683A (en) * 1994-04-19 1996-12-10 International Paper Company Method for the recovery of chemical values from black liquor in multiple streams of different chemical values
US5534157A (en) * 1994-11-10 1996-07-09 Calgon Corporation Polyether polyamino methylene phosphonates for high pH scale control
US6036355A (en) * 1997-07-14 2000-03-14 Quantum Technologies, Inc. Reactor mixing assembly
SE514596C2 (sv) * 1999-01-18 2001-03-19 Kemira Kemi Ab Förfarande för behandling av vitlut för att minimera anrikning av metaller
US20020129911A1 (en) * 2000-10-16 2002-09-19 Marcoccia Bruno S. Process and configuration for providing external upflow/internal downflow in a continuous digester
ES2228968T3 (es) * 2000-12-01 2005-04-16 Linde Aktiengesellschaft Procedimiento para la purificacion de un gas de escape a partir de una tela de celulosa.
US6984368B2 (en) * 2003-06-09 2006-01-10 Tessenderlo Kerley, Inc. Process for preparing calcium thiosulfate solution
FI126649B (fi) * 2010-06-07 2017-03-31 Aalto Univ Found Uusi menetelmä mikroselluloosan valmistamiseksi
FI123908B (en) 2012-05-31 2013-12-13 Wetend Technologies Oy Process and arrangement for oxidation of white liquor
CN103205909B (zh) * 2013-04-17 2015-12-02 潍坊恒联浆纸有限公司 一种棉浆黑液的提取工艺
FI20175925A1 (en) 2017-10-20 2019-04-21 Valmet Technologies Oy Method and system for removing hydrogen sulphide ions (HS-) from the pulp of the pulp mill process
DE102020002446A1 (de) * 2020-04-23 2021-10-28 Messer Austria Gmbh Verfahren und Vorrichtung zur Weißlaugenoxidation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA529238A (fr) * 1956-08-21 O. V. Bergstrom Hilding Methode de traiter des liqueurs residuelles obtenues dans la fabrication de pulpe par le procede de cellulose de sulphate
US2759783A (en) * 1952-03-10 1956-08-21 Honeywell Regulator Co Underwater ultrasonic detecting systems
US3269095A (en) * 1962-12-05 1966-08-30 Mo Och Domsjoe Ab Method of removing chlorine compounds from gases obtained by combustion of waste liquors
US3653824A (en) * 1969-10-16 1972-04-04 Union Camp Corp Oxidative regeneration method
US3652407A (en) * 1969-10-28 1972-03-28 Rohm & Haas Decolorization of kraft wood pulp bleach effluents
US3723242A (en) * 1971-04-01 1973-03-27 Union Camp Corp Oxidation of sulfide pulping liquor to form polysulfide liquor in situ
SE387672B (sv) * 1972-03-08 1976-09-13 Svenska Cellulosa Ab Sett vid atervinning av kemikalier i avlut fran uppslutning av lignocellulosahaltigt material varvid avluten underkastas pyrolys

Also Published As

Publication number Publication date
FR2238800A1 (fr) 1975-02-21
US4053352A (en) 1977-10-11
AT338612B (de) 1977-09-12
AU7152874A (en) 1976-01-29
ATA612474A (de) 1976-12-15
AU473185B2 (en) 1976-06-17

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Legal Events

Date Code Title Description
ST Notification of lapse