CN113646481B - 连续浆生产工艺中的方法和布置 - Google Patents

连续浆生产工艺中的方法和布置 Download PDF

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Publication number
CN113646481B
CN113646481B CN202080025300.9A CN202080025300A CN113646481B CN 113646481 B CN113646481 B CN 113646481B CN 202080025300 A CN202080025300 A CN 202080025300A CN 113646481 B CN113646481 B CN 113646481B
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CN
China
Prior art keywords
hydrolysate
hydrolysis vessel
vessel
hydrolysis
outlet
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CN202080025300.9A
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English (en)
Chinese (zh)
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CN113646481A (zh
Inventor
L·拉米
M·哈格伦德
H·兰德曼
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Valmet AB
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Valmet AB
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Publication of CN113646481A publication Critical patent/CN113646481A/zh
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Publication of CN113646481B publication Critical patent/CN113646481B/zh
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    • 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
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • D21C7/00—Digesters
    • 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
    • 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
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid 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
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • 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
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous 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
    • D21C7/00—Digesters
    • D21C7/08—Discharge devices
    • 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
    • D21C7/00—Digesters
    • D21C7/12—Devices for regulating or controlling
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P2201/00—Pretreatment of cellulosic or lignocellulosic material for subsequent enzymatic treatment or hydrolysis

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  • Extraction Or Liquid Replacement (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CN202080025300.9A 2019-03-29 2020-03-18 连续浆生产工艺中的方法和布置 Active CN113646481B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1950386-1 2019-03-29
SE1950386A SE542991C2 (en) 2019-03-29 2019-03-29 A method and a system for extracting hydrolyzate in a continuous cooking process for producing pulp
PCT/SE2020/050285 WO2020204783A1 (fr) 2019-03-29 2020-03-18 Procédé et agencement dans un procédé de production de pâte à papier en continu

Publications (2)

Publication Number Publication Date
CN113646481A CN113646481A (zh) 2021-11-12
CN113646481B true CN113646481B (zh) 2022-11-22

Family

ID=72513416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080025300.9A Active CN113646481B (zh) 2019-03-29 2020-03-18 连续浆生产工艺中的方法和布置

Country Status (6)

Country Link
EP (1) EP3947808A4 (fr)
CN (1) CN113646481B (fr)
BR (1) BR112021013052A2 (fr)
SE (1) SE542991C2 (fr)
WO (1) WO2020204783A1 (fr)
ZA (1) ZA202104457B (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530034A (en) * 1969-05-16 1970-09-22 Itt Rayonier Inc Continuous aqueous prehydrolysis of wood chips
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
US20070131363A1 (en) * 2005-10-24 2007-06-14 Andritz Inc. Fiberline systems, processes and methods
BRPI0505212A (pt) * 2005-11-01 2007-08-07 Dedini Sa Ind De Base aperfeiçoamentos em processo de hidrólise ácida rápida de material lignocelulósico e em reator de hidrólise
FI123036B (fi) * 2006-02-10 2012-10-15 Metso Paper Inc Menetelmä hydrolyysituotteiden talteenottamiseksi
US9260818B2 (en) * 2007-05-23 2016-02-16 Andritz Inc. Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method
US8734610B2 (en) * 2007-05-23 2014-05-27 Andritz Inc. Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
EP2212467B1 (fr) * 2007-11-01 2014-06-11 Eau-Viron Incorporated Procédés et appareils pour hydrolyser un matériau cellulosique
US8192549B2 (en) 2008-06-10 2012-06-05 Andritz Inc. Apparatus and method for hydrolysis of cellulosic material in a two-step process
JP5378306B2 (ja) * 2010-06-15 2013-12-25 月島機械株式会社 バイオマスの処理装置及び処理方法
EP2707539B1 (fr) * 2011-05-13 2019-05-08 Valmet Aktiebolag Procédé compact d'obtention de pâte préalablement hydrolysée
WO2016112203A1 (fr) * 2015-01-07 2016-07-14 Andritz Inc. Système et procédé pour la surveillance et la commande de multiples zones de traitement dans des récipients sous pression
SE541646C2 (en) * 2017-07-04 2019-11-19 Valmet Oy Method for operating a continuous vertical reactor comprising a prehydrolysis zone and the reactor design as such

Also Published As

Publication number Publication date
SE1950386A1 (en) 2020-09-22
EP3947808A4 (fr) 2022-12-28
ZA202104457B (en) 2023-01-25
EP3947808A1 (fr) 2022-02-09
SE542991C2 (en) 2020-09-22
CN113646481A (zh) 2021-11-12
BR112021013052A2 (pt) 2021-10-26
WO2020204783A1 (fr) 2020-10-08

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