ZA945347B - Oxidized white liquor production method - Google Patents

Oxidized white liquor production method

Info

Publication number
ZA945347B
ZA945347B ZA945347A ZA945347A ZA945347B ZA 945347 B ZA945347 B ZA 945347B ZA 945347 A ZA945347 A ZA 945347A ZA 945347 A ZA945347 A ZA 945347A ZA 945347 B ZA945347 B ZA 945347B
Authority
ZA
South Africa
Prior art keywords
production method
white liquor
liquor production
oxidized white
oxidized
Prior art date
Application number
ZA945347A
Other languages
English (en)
Inventor
Mark J Kirschner
Rustam H Sethna
Richard W Potthoff
Original Assignee
Boc Group Inc
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 Boc Group Inc filed Critical Boc Group Inc
Publication of ZA945347B publication Critical patent/ZA945347B/xx

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
ZA945347A 1993-08-16 1994-07-20 Oxidized white liquor production method ZA945347B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10710293A 1993-08-16 1993-08-16
US08/143,590 US5439556A (en) 1993-08-16 1993-11-01 Oxidation of white liquor using a packing column
CN941092984A CN1065013C (zh) 1993-08-16 1994-08-30 氧化白液的制造方法

Publications (1)

Publication Number Publication Date
ZA945347B true ZA945347B (en) 1995-05-17

Family

ID=36954594

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA945347A ZA945347B (en) 1993-08-16 1994-07-20 Oxidized white liquor production method

Country Status (10)

Country Link
US (1) US5439556A (OSRAM)
EP (1) EP0643163B1 (OSRAM)
JP (1) JP2986144B2 (OSRAM)
CN (1) CN1065013C (OSRAM)
CA (1) CA2128053C (OSRAM)
DE (1) DE69429316T2 (OSRAM)
FI (1) FI116396B (OSRAM)
NO (1) NO316602B1 (OSRAM)
NZ (1) NZ260984A (OSRAM)
ZA (1) ZA945347B (OSRAM)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE516030C2 (sv) * 1994-11-14 2001-11-12 Aga Ab Regenerering av en gasblandning från ett ozonbleksteg
US6036355A (en) * 1997-07-14 2000-03-14 Quantum Technologies, Inc. Reactor mixing assembly
SE513403C2 (sv) * 1999-01-18 2000-09-11 Kemira Kemi Ab Förfarande för oxidering av vitlut
US6013297A (en) * 1999-03-12 2000-01-11 Endico; Felix W. Direct esterification system for food processing utilizing an oxidative reaction
SE514825C2 (sv) * 1999-09-16 2001-04-30 Aga Ab Oxygendelignifiering av cellulosamassa med oxiderad vitlut som alkalikälla
US20030044344A1 (en) * 2001-06-15 2003-03-06 Saucedo Victor M. Method for controlling polysulfide production
US20050087315A1 (en) * 2003-10-28 2005-04-28 Donovan Joseph R. Low consistency oxygen delignification process
US7497392B2 (en) * 2006-07-17 2009-03-03 Alliance Technology Group, Inc. Process and apparatus for transforming waste materials into fuel
US20090130008A1 (en) * 2007-11-19 2009-05-21 Funk Michael N Process for Removing Hydrogen Disulfide from Gas
FI123908B (en) 2012-05-31 2013-12-13 Wetend Technologies Oy Method and arrangement for oxidizing white liquor
CN102877349B (zh) * 2012-09-29 2014-10-15 广西大学 一种制浆黑液酸化滤液的循环处理方法
CN102874769B (zh) * 2012-10-09 2014-07-02 广西大学 碱熔物中硫化钠的氧化转化方法及装置
WO2015054682A2 (en) 2013-10-13 2015-04-16 Cornerstone Resources, Llc Methods and apparatus utilizing vacuum for breaking organic cell walls
WO2017003643A1 (en) * 2015-06-30 2017-01-05 Exxonmobil Chemical Patents Inc. Process and reactor system for oxidizing cycloalkylbenzene
WO2017003644A1 (en) * 2015-06-30 2017-01-05 Exxonmobil Chemical Patents Inc. Gas distribution in oxidation reactions
CN105113309A (zh) * 2015-10-07 2015-12-02 中国轻工业长沙工程有限公司 氧化白液制备系统
FI20175925A1 (en) * 2017-10-20 2019-04-21 Valmet Technologies Oy A method and a system for removing hydrogen sulphide ions (HS-) from a liquor of a pulp mill process
CN112978949A (zh) * 2019-12-12 2021-06-18 广西金桂浆纸业有限公司 一种白液的处理方法
EP4428297A1 (en) * 2023-03-06 2024-09-11 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process to obtain fully oxidized white liquor for use in the fiberline of a kraft pulp process

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758017A (en) * 1949-07-30 1956-08-07 Babcock & Wilcox Co Apparatus for oxidizing residual pulp liquor
US3647363A (en) * 1969-08-06 1972-03-07 Owens Illinois Inc Recovery of sulfur values from flue gases with oxidized neutral sulfite green liquor
US4024229A (en) * 1970-11-06 1977-05-17 The Mead Corporation Production of polysulfide with PTFE coated catalyst
US3860479A (en) * 1971-06-18 1975-01-14 Union Camp Corp Catalytic oxidation of alkaline pulping liquor
AU473185B2 (en) * 1973-07-25 1976-06-17 Mooch Domsjo Aktiebolag A method for producing oxidized white liquor
JPS5313003B2 (OSRAM) * 1973-12-15 1978-05-06
JPS531957A (en) * 1976-06-25 1978-01-10 Nippon Petrochemicals Co Ltd Method and apparatus for wet oxidative treating method of waste liquor
US4431617A (en) * 1982-07-09 1984-02-14 Farin William G Methods for removing malodorous sulfur compounds from pulp mill flue gases and the like by using green liquor
US4704135A (en) * 1983-08-15 1987-11-03 Jack I. Bonasso Apparatus for the conversion of coal to gas, liquid and solid products
JPH0791793B2 (ja) * 1987-12-28 1995-10-04 三菱製紙株式会社 リグノセルロース物質の酸素漂白方法
JPH01260085A (ja) * 1988-04-08 1989-10-17 Sumitomo Heavy Ind Ltd 硫化ソーダ含有水溶液の向流充填塔式空気酸化法とその装置
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
US5171405A (en) * 1990-08-28 1992-12-15 Kamyr, Inc. Reactor having a discontinuous conduit means between surfaces of a downwardly extending stationary spiral
US5143702A (en) * 1990-10-22 1992-09-01 A. H. Lundberg Associates, Inc. Two stage white liquor oxidation apparatus
FI87092C (fi) * 1990-11-07 1992-11-25 Ahlstroem Oy Foerfarande foer behandling av svartlut
US5382322A (en) * 1991-10-18 1995-01-17 Air Products And Chemicals, Inc. Selective white liquor oxidation

Also Published As

Publication number Publication date
NZ260984A (en) 1995-07-26
EP0643163A3 (en) 1997-09-17
FI943753L (fi) 1995-02-17
FI116396B (fi) 2005-11-15
NO942906D0 (OSRAM) 1994-08-05
NO316602B1 (no) 2004-03-08
CA2128053A1 (en) 1995-02-17
DE69429316D1 (de) 2002-01-17
JP2986144B2 (ja) 1999-12-06
CN1065013C (zh) 2001-04-25
CN1108714A (zh) 1995-09-20
US5439556A (en) 1995-08-08
CA2128053C (en) 2000-09-05
FI943753A0 (fi) 1994-08-15
NO942906L (no) 1995-02-17
JPH0754292A (ja) 1995-02-28
EP0643163A2 (en) 1995-03-15
EP0643163B1 (en) 2001-12-05
DE69429316T2 (de) 2002-08-22

Similar Documents

Publication Publication Date Title
ZA945347B (en) Oxidized white liquor production method
ZA944335B (en) Pulp production
GB2277947B (en) Well screen for increased production
GB9305175D0 (en) Novel process
ZA931629B (en) Polysulfide production in white liquor.
EP0640642A3 (en) Process for the preparation of polydimethylsiloxanes.
EP0669393A4 (en) Production method for alcoholic beverages.
GB9216013D0 (en) Production method
PL312734A1 (en) Method of production of white micro-silica
PL309362A1 (en) Detergent production process
HUT68452A (en) Improved process for production of-2-methylthiazole-5-carboxylate
GB9410492D0 (en) Production method
FI955805A0 (fi) Menetelmä valkolipeän valmistamiseksi
ZA938707B (en) Bleaching process
GB9323632D0 (en) Oxidation process
GB9307887D0 (en) Oxygen production process
MD930025A (ro) Procedeu de fabricare a vinului
GB9309823D0 (en) Oxygen production
EG20497A (en) Production of erythropoietin
GB9121809D0 (en) Production method
GB9322328D0 (en) Production@ process
GB9210068D0 (en) Oxygen production process
GB9318946D0 (en) Cheese production process
GB9307201D0 (en) Novel process
GB9302163D0 (en) Novel process