PT2567022E - Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse - Google Patents

Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse Download PDF

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Publication number
PT2567022E
PT2567022E PT107718108T PT10771810T PT2567022E PT 2567022 E PT2567022 E PT 2567022E PT 107718108 T PT107718108 T PT 107718108T PT 10771810 T PT10771810 T PT 10771810T PT 2567022 E PT2567022 E PT 2567022E
Authority
PT
Portugal
Prior art keywords
pulp processing
caustic extraction
alkaline filtrate
cold caustic
filtrate reuse
Prior art date
Application number
PT107718108T
Other languages
Portuguese (pt)
Inventor
Marcelo Moreira Leite
Original Assignee
Bahia Specialty Cellulose Sa
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 RU2010118498/05A external-priority patent/RU2535804C2/en
Priority claimed from KR1020100042681A external-priority patent/KR20110123184A/en
Application filed by Bahia Specialty Cellulose Sa filed Critical Bahia Specialty Cellulose Sa
Publication of PT2567022E publication Critical patent/PT2567022E/en

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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • D21C11/0035—Introduction of compounds, e.g. sodium sulfate, into the cycle in order to compensate for the losses of pulping agents
    • 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
    • D21C11/10—Concentrating spent liquor by evaporation
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • 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
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Extraction Or Liquid Replacement (AREA)
PT107718108T 2010-05-04 2010-08-18 Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse PT2567022E (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU2010118498/05A RU2535804C2 (en) 2010-05-04 2010-05-04 Method and system of producing soluble cellulose mass with high content of alpha-cellulose
KR1020100042681A KR20110123184A (en) 2010-05-06 2010-05-06 Method and system for high alpha dissolving pulp production
US12/789,265 US8535480B2 (en) 2010-05-06 2010-05-27 Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse

Publications (1)

Publication Number Publication Date
PT2567022E true PT2567022E (en) 2014-12-23

Family

ID=44903661

Family Applications (2)

Application Number Title Priority Date Filing Date
PT107733933T PT2567023E (en) 2010-05-04 2010-08-18 Method and system for high alpha dissolving pulp production
PT107718108T PT2567022E (en) 2010-05-04 2010-08-18 Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PT107733933T PT2567023E (en) 2010-05-04 2010-08-18 Method and system for high alpha dissolving pulp production

Country Status (14)

Country Link
EP (2) EP2567023B1 (en)
JP (1) JP5808795B2 (en)
KR (2) KR101512550B1 (en)
CN (2) CN102985610B (en)
AU (1) AU2010352692B2 (en)
BR (2) BR112012028241B1 (en)
CA (1) CA2744250C (en)
CL (1) CL2012003082A1 (en)
ES (2) ES2525263T3 (en)
MY (2) MY157311A (en)
NZ (1) NZ604002A (en)
PT (2) PT2567023E (en)
RU (1) RU2523973C1 (en)
WO (2) WO2011138633A1 (en)

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AU2010202496B2 (en) * 2010-05-04 2015-04-16 Bahia Specialty Cellulose Sa Method and system for high alpha dissolving pulp production
EP2946939B1 (en) 2012-03-28 2017-04-12 Seiko Epson Corporation Ink jet recording method and ink jet recording apparatus
AR091998A1 (en) * 2012-05-03 2015-03-18 Annikki Gmbh CELLULOSE PREPARATION PROCEDURE WITH LIGNIN LOW CONCENTRATION
WO2013178608A1 (en) 2012-05-28 2013-12-05 Södra Cell Ab New process and a dissolving pulp manufactured by the process
JP6483021B2 (en) * 2013-09-11 2019-03-13 日本製紙株式会社 Method for producing dissolved kraft pulp
CN103469696B (en) * 2013-09-26 2016-02-03 句容市植保植检站 A kind of brown paper and manufacture method thereof
BR102014027199B1 (en) * 2014-07-14 2022-10-04 Nalco Company METHOD TO IMPROVE THE MANUFACTURING OF SODA OR KRAFT PULP
WO2016058098A1 (en) 2014-10-15 2016-04-21 Canfor Pulp Ltd Integrated kraft pulp mill and thermochemical conversion system
SE538454C2 (en) 2014-11-27 2016-07-12 Valmet Oy Method for displacement in batch digesters
CN105442370B (en) * 2015-11-27 2017-12-22 福建农林大学 A kind of method that bleached bamboo pulp plate prepares dissolving pulp
WO2017173008A1 (en) * 2016-03-31 2017-10-05 Oyj, Kemira Methods of preparing hemicellulose compositions
CN106368032B (en) * 2016-09-19 2018-06-22 华南理工大学 Method that is a kind of while preparing cellulose fiber peacekeeping hemicellulose solution
SE540778C2 (en) 2016-12-23 2018-11-06 Soedra Skogsaegarna Ekonomisk Foerening A method of manufacturing dissolving pulp using coniferous wood material
CN109930417A (en) * 2017-12-15 2019-06-25 中国制浆造纸研究院有限公司 A kind of recoverying and utilizing method of cold alkali density waste liquid
CN109930414A (en) * 2017-12-15 2019-06-25 中国制浆造纸研究院有限公司 A kind of waste paper deinking agent based on cold alkali density waste liquid
CN109930415A (en) * 2017-12-15 2019-06-25 中国制浆造纸研究院有限公司 A method of improving oxygen bleaching pulp strength
WO2019140245A1 (en) 2018-01-12 2019-07-18 Tyton Biosciences, Llc Methods for recycling cotton and polyester fibers from waste textiles
SE1850733A1 (en) * 2018-06-15 2019-12-16 Valmet Oy Method and assembly for optimizing filtrate circulation in a kraft process
KR101952316B1 (en) 2018-08-09 2019-02-27 무림피앤피 주식회사 Method of manufacturing a dissolving pulp
BR112021025188A8 (en) 2019-06-14 2022-03-15 Bracell Bahia Specialty Cellulose S A Apparatus, methods and systems for producing high-alpha, high-intrinsic-viscosity pulp
FI130568B (en) 2020-07-06 2023-11-21 Amppc Finland Oy A cooking method
CN112227103B (en) * 2020-09-29 2022-08-05 大连工业大学 Method for reducing dust degree of reed pulp and papermaking paper
CN114150522B (en) * 2021-08-10 2024-01-05 天津科技大学 Low-energy-consumption pulping method for rapidly dissolving hemicellulose
US20230374730A1 (en) * 2022-05-17 2023-11-23 Bracell Bahia Specialty Cellulose SA Apparatuses, methods and systems for yield increase in a kraft cooking plant
CN114908597B (en) * 2022-05-19 2023-05-02 中国科学院地球环境研究所 Method for extracting alpha cellulose from tree wheels
SE2230351A1 (en) * 2022-11-02 2024-05-03 Valmet Oy Pulp mill

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US3988198A (en) * 1973-05-31 1976-10-26 International Telephone And Telegraph Corporation Method for treating hemi caustic effluents
CH686682A5 (en) 1992-05-05 1996-05-31 Granit Sa Production of pulp according to the SAP procedure.
AT398588B (en) * 1992-12-02 1994-12-27 Voest Alpine Ind Anlagen METHOD FOR THE PRODUCTION OF VISCOSE CELLS
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
BR9506622A (en) * 1994-01-21 1997-09-16 Rayonier Inc Process for improving the characteristics of a pulp useful for the production of a fluffy pulp or a pulp for high absorption applications process for improving the absorption of pulps and increasing the yield of sinking fibers by fluffing the same process for improving the properties of useful pulps as pulps. Process for improving the fast absorption characteristics of a pulp useful for applications. Process for producing an absorbent device having an outer capture layer and an inner absorbent core element. Pulp for an absorbent device comprising at least one element of Cotto layer absorption material and process for improving the absorption of a cellulosic material into a fibrous form of the cellulosic material
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Also Published As

Publication number Publication date
KR101512550B1 (en) 2015-04-17
EP2567023B1 (en) 2014-10-15
JP2013531139A (en) 2013-08-01
KR20130120982A (en) 2013-11-05
RU2523973C1 (en) 2014-07-27
KR101613338B1 (en) 2016-04-18
MY155796A (en) 2015-11-30
RU2012151858A (en) 2014-06-10
ES2525263T3 (en) 2014-12-19
AU2010352692A1 (en) 2013-01-10
JP5808795B2 (en) 2015-11-10
BR112012028241B1 (en) 2020-11-10
WO2011138634A1 (en) 2011-11-10
BRPI1015676A2 (en) 2013-07-30
PT2567023E (en) 2014-12-23
AU2010352692B2 (en) 2014-07-03
CN102985610B (en) 2015-08-12
MY157311A (en) 2016-05-31
CL2012003082A1 (en) 2013-04-01
CN103003487A (en) 2013-03-27
BRPI1015676B1 (en) 2019-03-19
CN103003487B (en) 2016-04-27
CA2744250C (en) 2016-10-11
EP2567022B1 (en) 2014-10-15
EP2567022A1 (en) 2013-03-13
ES2525490T3 (en) 2014-12-23
CA2744250A1 (en) 2011-11-04
CN102985610A (en) 2013-03-20
EP2567023A1 (en) 2013-03-13
KR20130038861A (en) 2013-04-18
WO2011138633A1 (en) 2011-11-10
NZ604002A (en) 2014-02-28

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