SE539501C2 - Method and arrangement for discharge dilution - Google Patents

Method and arrangement for discharge dilution Download PDF

Info

Publication number
SE539501C2
SE539501C2 SE1451303A SE1451303A SE539501C2 SE 539501 C2 SE539501 C2 SE 539501C2 SE 1451303 A SE1451303 A SE 1451303A SE 1451303 A SE1451303 A SE 1451303A SE 539501 C2 SE539501 C2 SE 539501C2
Authority
SE
Sweden
Prior art keywords
discharge
pulp
digester
screening process
tank
Prior art date
Application number
SE1451303A
Other languages
English (en)
Swedish (sv)
Other versions
SE1451303A1 (en
Inventor
Engelfeldt Andreas
Kuusisto Petteri
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Priority to SE1451303A priority Critical patent/SE539501C2/sv
Priority to EP15856135.7A priority patent/EP3212840B1/de
Priority to PCT/SE2015/051141 priority patent/WO2016068783A1/en
Priority to CA2966142A priority patent/CA2966142A1/en
Publication of SE1451303A1 publication Critical patent/SE1451303A1/en
Publication of SE539501C2 publication Critical patent/SE539501C2/sv

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
    • 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
    • D21C9/00—After-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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
SE1451303A 2014-10-31 2014-10-31 Method and arrangement for discharge dilution SE539501C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE1451303A SE539501C2 (sv) 2014-10-31 2014-10-31 Method and arrangement for discharge dilution
EP15856135.7A EP3212840B1 (de) 2014-10-31 2015-10-28 Verfahren und anordnung zur auslassverdünnung
PCT/SE2015/051141 WO2016068783A1 (en) 2014-10-31 2015-10-28 Method and arrangement for discharge dilution
CA2966142A CA2966142A1 (en) 2014-10-31 2015-10-28 Method and arrangement for discharge dilution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1451303A SE539501C2 (sv) 2014-10-31 2014-10-31 Method and arrangement for discharge dilution

Publications (2)

Publication Number Publication Date
SE1451303A1 SE1451303A1 (en) 2016-05-01
SE539501C2 true SE539501C2 (sv) 2017-10-03

Family

ID=55857932

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1451303A SE539501C2 (sv) 2014-10-31 2014-10-31 Method and arrangement for discharge dilution

Country Status (4)

Country Link
EP (1) EP3212840B1 (de)
CA (1) CA2966142A1 (de)
SE (1) SE539501C2 (de)
WO (1) WO2016068783A1 (de)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303088A (en) * 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
US3259538A (en) * 1963-04-22 1966-07-05 Lummus Co Comprehensive pulping system for producing paper pulp
US3830688A (en) * 1970-10-23 1974-08-20 Skogsaegarnas Ind Ab Method of reducing the discharge of waste products from pulp mills
SE394466C (sv) * 1974-05-16 1986-06-23 Mannbro Systems Handelsbolag Sett vid kontinuerlig alkalisk delignifiering av lignocellulosamaterial i tva eller flera steg, varav det sista med syrgas
US5066362A (en) * 1987-12-01 1991-11-19 Kamyr, Inc. Extended delignification in pressure diffusers
FI93748B (fi) * 1992-06-09 1995-02-15 Ahlstroem Oy Tapa ja laitteisto kuitususpension käsittelemiseksi
US6302997B1 (en) * 1999-08-30 2001-10-16 North Carolina State University Process for producing a pulp suitable for papermaking from nonwood fibrous materials
US20020129911A1 (en) * 2000-10-16 2002-09-19 Marcoccia Bruno S. Process and configuration for providing external upflow/internal downflow in a continuous digester
SE0004050L (sv) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti
FI120505B (fi) * 2002-07-12 2009-11-13 Stora Enso Oyj Jatkuvatoiminen menetelmä selluloosapohjaisen massan keittämiseksi sekä menetelmään soveltuva massankeitin
FI20022055A7 (fi) * 2002-11-19 2004-05-20 Advanced Fiber Tech Aft Trust Menetelmä ja laite kuitususpension käsittelemiseksi
FI123023B (fi) * 2009-09-01 2012-10-15 Andritz Oy Menetelmä ja laitteisto suovan erottamiseksi
WO2011102760A1 (en) * 2010-02-17 2011-08-25 Metso Paper Sweden Ab Method and system for recycling of rejects in a process for cooking chemical pulp

Also Published As

Publication number Publication date
EP3212840B1 (de) 2020-02-05
EP3212840A4 (de) 2018-04-11
WO2016068783A1 (en) 2016-05-06
EP3212840A1 (de) 2017-09-06
CA2966142A1 (en) 2016-05-06
SE1451303A1 (en) 2016-05-01

Similar Documents

Publication Publication Date Title
Duarte et al. Effect of hot water extraction on hardwood kraft pulp fibers (Acer saccharum, sugar maple)
Andrade et al. Dissolving pulp production from sugar cane bagasse
Sugesty et al. Bamboo as raw materials for dissolving pulp with environmental friendly technology for rayon fiber
Matin et al. Dissolving pulp from jute stick
Zhao et al. Increasing efficiency of enzymatic hemicellulose removal from bamboo for production of high-grade dissolving pulp
Vena et al. Effect of alkaline hemicellulose extraction on kraft pulp fibers from Eucalyptus grandis
Obi Reddy et al. Preparation, chemical composition, characterization, and properties of Napier grass paper sheets
Fatriasari et al. The Kraft Pulp And Paper Properties of Sweet Sorghum Bagasse (Sorghum bicolor L Moench).
Tutus et al. Chemical, morphological and anatomical properties and evaluation of cotton stalks (Gossypium hirsutum L.) in pulp industry
Martino et al. Steam explosion pretreatment used to remove hemicellulose to enhance the production of a eucalyptus organosolv dissolving pulp
CN103122594A (zh) 一种溶解浆的生产方法
EP1242677A1 (de) Aufschlussverfahren für maisstengel und andere nicht verholzte faserstoffe
Mohieldin Pretreatment approaches in non-wood plants for pulp and paper production: a review
SHAMSURI et al. Review on the paper making process from bamboo as a paper product
Popy et al. Mild potassium hydroxide pulping of straw
Wu et al. Improved reactivity of bamboo dissolving pulp for the viscose process: Post-treatment with beating
Wu et al. Reactivity improvement of bamboo dissolving pulp by xylanase modification
Tripathi et al. Blanding 0f Banana Stam With Wheat Straw And Bagassa To Enhanca Physical Strength Properties 0f Paper
Lin et al. Properties of enzyme pretreated Wikstroemia sikokiana and Broussonetia papyrifera bast fiber pulps
CN104131483A (zh) 一种以竹为原料制备的高得率高性能竹纤维材料及其制备方法
Vila et al. On the recovery of hemicellulose before kraft pulping
US9115468B2 (en) Chemical treatment of lignocellulosic fiber bundle material, and methods and systems relating thereto
EP3212840B1 (de) Verfahren und anordnung zur auslassverdünnung
US20090020246A1 (en) Manufacturing method of mechanical pulp from cornstalk cellulose
Kumar et al. Delignification of Phragmites karka-a wetland grass-by soda pulping process.