BR112017009958A2 - método para remoção de hemiceluloses de polpa alcalina de classe de papel. - Google Patents

método para remoção de hemiceluloses de polpa alcalina de classe de papel.

Info

Publication number
BR112017009958A2
BR112017009958A2 BR112017009958A BR112017009958A BR112017009958A2 BR 112017009958 A2 BR112017009958 A2 BR 112017009958A2 BR 112017009958 A BR112017009958 A BR 112017009958A BR 112017009958 A BR112017009958 A BR 112017009958A BR 112017009958 A2 BR112017009958 A2 BR 112017009958A2
Authority
BR
Brazil
Prior art keywords
hemicelluloses
paper grade
pulp
grade alkaline
removing paper
Prior art date
Application number
BR112017009958A
Other languages
English (en)
Other versions
BR112017009958B1 (pt
Inventor
Lund Henrik
Stavik Jaroslav
Emanuel Garcia Loureiro Pedro
Original Assignee
Novozymes As
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 Novozymes As filed Critical Novozymes As
Publication of BR112017009958A2 publication Critical patent/BR112017009958A2/pt
Publication of BR112017009958B1 publication Critical patent/BR112017009958B1/pt

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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting 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
    • 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
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

a presente invenção refere-se à remoção de hemiceluloses de polpa alcalina de classe de papel que aprimora, desse modo, a polpa, por exemplo, em polpa de classe de dissolução com o uso de uma combinação de tratamento de enzima, extração cáustica a quente e opcionalmente uma ou mais etapas de branqueamento.
BR112017009958-6A 2014-11-17 2015-11-16 Método para remoção de hemiceluloses de polpa alcalina de classe de papel não branqueada ou parcialmente branqueada BR112017009958B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14193410.9 2014-11-17
EP14193410 2014-11-17
EP15166103.0 2015-05-01
EP15166103 2015-05-01
PCT/EP2015/076668 WO2016079045A1 (en) 2014-11-17 2015-11-16 Enzymatic process combined with hot caustic extraction for the removal of hemicelluloses from paper-grade pulp

Publications (2)

Publication Number Publication Date
BR112017009958A2 true BR112017009958A2 (pt) 2018-05-15
BR112017009958B1 BR112017009958B1 (pt) 2023-02-07

Family

ID=54695689

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017009958-6A BR112017009958B1 (pt) 2014-11-17 2015-11-16 Método para remoção de hemiceluloses de polpa alcalina de classe de papel não branqueada ou parcialmente branqueada

Country Status (7)

Country Link
US (1) US10584442B2 (pt)
EP (1) EP3221508A1 (pt)
CN (1) CN107075801B (pt)
BR (1) BR112017009958B1 (pt)
CA (1) CA2965427A1 (pt)
WO (1) WO2016079045A1 (pt)
ZA (1) ZA201704108B (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
GB201409047D0 (en) * 2014-05-21 2014-07-02 Cellucomp Ltd Cellulose microfibrils
US10550443B2 (en) 2016-12-02 2020-02-04 The Procter & Gamble Company Cleaning compositions including enzymes
EP3330359A1 (en) * 2016-12-02 2018-06-06 The Procter & Gamble Company Cleaning compositions including enzyme and dye control agent
EP3330357A1 (en) * 2016-12-02 2018-06-06 The Procter & Gamble Company Cleaning compositions including enzyme and alkoxylated phenol
EP3330358A1 (en) * 2016-12-02 2018-06-06 The Procter & Gamble Company Cleaning compositions including mannanase enzyme and amines
EP3330356A1 (en) * 2016-12-02 2018-06-06 The Procter & Gamble Company Cleaning compositions including enzyme and plant fiber
CN110546317B (zh) * 2016-12-06 2022-11-29 雷纽赛尔公司 纤维素纤维
SE540778C2 (en) 2016-12-23 2018-11-06 Soedra Skogsaegarna Ekonomisk Foerening A method of manufacturing dissolving pulp using coniferous wood material
CN110506142B (zh) * 2017-04-28 2022-08-30 金伯利-克拉克环球有限公司 用于薄纸产品的非木材纤维中定制的半纤维素
EP3701001A1 (en) * 2017-10-24 2020-09-02 Novozymes A/S Compositions comprising polypeptides having mannanase activity
BR112022001394A2 (pt) * 2019-07-26 2022-03-22 Novozymes As Tratamento enzimático de polpa de papel
CN111690632B (zh) * 2020-07-14 2022-03-18 云南师范大学 一种内切木聚糖酶突变体s23e11及其制备方法和应用
CN111849943B (zh) * 2020-07-14 2022-06-24 云南师范大学 一种内切木聚糖酶突变体s06h03及制备方法和应用
CN111849942B (zh) * 2020-07-14 2022-06-24 云南师范大学 一种内切木聚糖酶突变体s44a09及制备方法和应用
CN111876398B (zh) * 2020-07-14 2022-03-22 云南师范大学 一种内切木聚糖酶突变体s05f04及其制备方法和应用
CN115094660A (zh) * 2022-04-12 2022-09-23 中国制浆造纸研究院有限公司 一种纸浆纯化升级为莱赛尔纤维用浆粕的方法
SE546238C2 (en) * 2022-06-27 2024-07-23 Valmet Oy Method for processing cellulose pulp obtained from a kraft process

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8406866D0 (en) * 1984-03-16 1984-04-18 British Petroleum Co Plc Separating cellulose and hemicellulose
WO1995000698A1 (en) 1993-06-25 1995-01-05 Kamyr, Inc. Hemicellulose recovery during kraft pulping
US6254722B1 (en) * 1996-03-27 2001-07-03 North Carolina State University Method for making dissolving pulp from paper products containing hardwood fibers
US6057438A (en) * 1996-10-11 2000-05-02 Eastman Chemical Company Process for the co-production of dissolving-grade pulp and xylan
WO1998056958A1 (en) * 1997-06-10 1998-12-17 Xyrofin Oy Process for the production of xylose from a paper-grade, hardwood pulp
US7541175B1 (en) * 2000-12-22 2009-06-02 Iogen Energy Corporation Alkaline extraction stages comprising xylanase
AU2002229430A1 (en) * 2001-01-18 2002-07-30 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
FI122975B (fi) * 2005-12-05 2012-09-28 Upm Kymmene Corp Menetelmä paperin ja kartongin valmistamiseksi
PT2468857E (pt) * 2010-12-22 2014-12-22 Neste Oil Oyj Um sistema de processo integrado para produção de lípidos e polpação
BR112014009918B1 (pt) * 2011-10-27 2021-03-30 Buckman Laboratories International, Inc Método para controlar contaminantes orgânicos e composição

Also Published As

Publication number Publication date
US20170350072A1 (en) 2017-12-07
BR112017009958B1 (pt) 2023-02-07
WO2016079045A1 (en) 2016-05-26
US10584442B2 (en) 2020-03-10
CN107075801B (zh) 2019-06-25
EP3221508A1 (en) 2017-09-27
CA2965427A1 (en) 2016-05-26
ZA201704108B (en) 2022-05-25
CN107075801A (zh) 2017-08-18

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 16/11/2015, OBSERVADAS AS CONDICOES LEGAIS