PL2931968T3 - Use of sodium dithionite in a cellulose pulping process - Google Patents

Use of sodium dithionite in a cellulose pulping process

Info

Publication number
PL2931968T3
PL2931968T3 PL13805310T PL13805310T PL2931968T3 PL 2931968 T3 PL2931968 T3 PL 2931968T3 PL 13805310 T PL13805310 T PL 13805310T PL 13805310 T PL13805310 T PL 13805310T PL 2931968 T3 PL2931968 T3 PL 2931968T3
Authority
PL
Poland
Prior art keywords
pulping process
sodium dithionite
cellulose pulping
cellulose
dithionite
Prior art date
Application number
PL13805310T
Other languages
Polish (pl)
Inventor
Stefan Erren
Dieter SCHÖNHABER
Martin Schachtl
Steffen Fischer
Christian Baeurich
Original Assignee
Basf Se
Technische Univ Dresden
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 Basf Se, Technische Univ Dresden filed Critical Basf Se
Publication of PL2931968T3 publication Critical patent/PL2931968T3/en

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/06Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/08Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/04Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1084Bleaching ; Apparatus therefor with reducing compounds
    • D21C9/1089Bleaching ; Apparatus therefor with reducing compounds with dithionites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
PL13805310T 2012-12-12 2013-12-02 Use of sodium dithionite in a cellulose pulping process PL2931968T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12196636 2012-12-12
PCT/EP2013/075193 WO2014090609A1 (en) 2012-12-12 2013-12-02 Use of sodium dithionite in a cellulose pulping process
EP13805310.3A EP2931968B1 (en) 2012-12-12 2013-12-02 Use of sodium dithionite in a cellulose pulping process

Publications (1)

Publication Number Publication Date
PL2931968T3 true PL2931968T3 (en) 2019-04-30

Family

ID=47355871

Family Applications (1)

Application Number Title Priority Date Filing Date
PL13805310T PL2931968T3 (en) 2012-12-12 2013-12-02 Use of sodium dithionite in a cellulose pulping process

Country Status (18)

Country Link
EP (1) EP2931968B1 (en)
JP (1) JP6290244B2 (en)
KR (1) KR20150093825A (en)
CN (1) CN104838065A (en)
AR (1) AR093929A1 (en)
AU (1) AU2013357649B2 (en)
BR (1) BR112015013578B1 (en)
CA (1) CA2892725A1 (en)
CL (1) CL2015001406A1 (en)
ES (1) ES2708216T3 (en)
MX (1) MX2015007586A (en)
PH (1) PH12015501255A1 (en)
PL (1) PL2931968T3 (en)
PT (1) PT2931968T (en)
RU (1) RU2649301C2 (en)
TW (1) TWI607041B (en)
WO (1) WO2014090609A1 (en)
ZA (1) ZA201504934B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021058483A1 (en) * 2019-09-23 2021-04-01 Université Catholique de Louvain Process for producing lignin components from lignocellulosic biomass
CN112900130B (en) * 2021-02-02 2022-08-12 大连工业大学 Method for reducing whiteness reduction of cooked plant fibers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE912169C (en) * 1952-02-22 1954-05-24 Georg Jayme Dr Ing Process for the alkaline digestion of plant substances
FR1150451A (en) * 1956-05-04 1958-01-14 Saint Gobain Improvement in the manufacturing processes of semi-chemical cellulose pulps
FR2615874B1 (en) * 1987-05-25 1992-02-21 Atochem PROCESS FOR THE PREPARATION OF CHEMICOTHERMOMECHANICAL PASTES
WO2007137127A2 (en) * 2006-05-19 2007-11-29 The Research Foundation Of State University Of New York Methods for carbonate pretreatment and pulping of cellulosic material
US20080105392A1 (en) * 2006-11-03 2008-05-08 Duggirala Prasad Y Method and composition for improving fiber quality and process efficiency in mechanical pulping
US20090090478A1 (en) * 2007-10-05 2009-04-09 Hollomon Martha G Selectivity improvement in oxygen delignification and bleaching of lignocellulose pulp using singlet oxygen
WO2010115090A1 (en) * 2009-04-02 2010-10-07 Auburn University Pulping process for quality protection including methods for hemicellulose extraction and treatment of hemicellulose -extracted lignocellulosic materials

Also Published As

Publication number Publication date
BR112015013578B1 (en) 2021-07-06
RU2649301C2 (en) 2018-03-30
KR20150093825A (en) 2015-08-18
AU2013357649B2 (en) 2017-06-08
JP2015537130A (en) 2015-12-24
EP2931968B1 (en) 2018-10-31
BR112015013578A2 (en) 2017-08-15
EP2931968A1 (en) 2015-10-21
CL2015001406A1 (en) 2016-02-05
JP6290244B2 (en) 2018-03-07
PH12015501255A1 (en) 2015-08-17
WO2014090609A1 (en) 2014-06-19
PT2931968T (en) 2019-01-11
MX2015007586A (en) 2016-05-05
ZA201504934B (en) 2017-11-29
RU2015127891A (en) 2017-01-19
TW201428031A (en) 2014-07-16
TWI607041B (en) 2017-12-01
CA2892725A1 (en) 2014-06-19
AR093929A1 (en) 2015-07-01
CN104838065A (en) 2015-08-12
AU2013357649A1 (en) 2015-06-11
ES2708216T3 (en) 2019-04-09

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