BRPI0517543A - método para separação de lignina de uma lama ou lìquido contendo lignina - Google Patents

método para separação de lignina de uma lama ou lìquido contendo lignina

Info

Publication number
BRPI0517543A
BRPI0517543A BRPI0517543-7A BRPI0517543A BRPI0517543A BR PI0517543 A BRPI0517543 A BR PI0517543A BR PI0517543 A BRPI0517543 A BR PI0517543A BR PI0517543 A BRPI0517543 A BR PI0517543A
Authority
BR
Brazil
Prior art keywords
lignin
provides
product
separating
liquid
Prior art date
Application number
BRPI0517543-7A
Other languages
English (en)
Inventor
Fredrik Ihman
Hans Theliander
Magnus Norgren
Per Tomani
Peter Axegard
Original Assignee
Lignoboost Ab
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 Lignoboost Ab filed Critical Lignoboost Ab
Publication of BRPI0517543A publication Critical patent/BRPI0517543A/pt
Publication of BRPI0517543B1 publication Critical patent/BRPI0517543B1/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
    • 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

Landscapes

  • Compounds Of Unknown Constitution (AREA)
  • Paper (AREA)
  • Treatment Of Sludge (AREA)

Abstract

MéTODO PARA SEPARAçãO DE LIGNINA DE UMA LAMA OU LìQUIDO CONTENDO LIGNINA. A presente invenção proporciona um método de precipitação (separação) de lignina, usando pequenas quantidades de agentes de acidificação, em que é obtido um produto de lignina ou um produto intermediário de lignina, o qual pode ser usado como combustível ou como matéria-prima química (ou como um produto químico ou matéria-prima para posterior refino), a partir de um líquido/lama contendo lignína, tal como, o licor negro. A presente invenção também proporciona um método para separação de lignína de um líquido/lama contendo lignina, tal como, o licor negro, em que uma lígnína mais pura é obtida. A presente invenção também proporciona um produto de lígnina ou um produto intermediário de lignina que pode ser obtido pelos métodos acima. A presente invenção também proporciona o uso do dito produto de lignina ou produto intermediário de lígnina para a produção de calor ou como um produto químico.
BRPI0517543A 2004-10-07 2005-10-03 método para precipitação de lignina de um líquido ou uma lama contendo lignina BRPI0517543B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0402437A SE0402437D0 (sv) 2004-10-07 2004-10-07 Method for separating lignin from a lignin containing liquid/slurry
PCT/SE2005/001453 WO2006038863A1 (en) 2004-10-07 2005-10-03 Method for separating lignin from a lignin containing liquid/slurry

Publications (2)

Publication Number Publication Date
BRPI0517543A true BRPI0517543A (pt) 2008-10-14
BRPI0517543B1 BRPI0517543B1 (pt) 2017-02-07

Family

ID=33434212

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0517543A BRPI0517543B1 (pt) 2004-10-07 2005-10-03 método para precipitação de lignina de um líquido ou uma lama contendo lignina

Country Status (11)

Country Link
US (1) US8815052B2 (pt)
EP (1) EP1797236B1 (pt)
JP (1) JP4887299B2 (pt)
AT (1) ATE513082T1 (pt)
BR (1) BRPI0517543B1 (pt)
CA (1) CA2580834C (pt)
ES (1) ES2368553T3 (pt)
PT (1) PT1797236E (pt)
SE (1) SE0402437D0 (pt)
WO (1) WO2006038863A1 (pt)
ZA (2) ZA200701627B (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020243805A1 (pt) * 2019-06-03 2020-12-10 Suzano S.A. Processos de extração de lignina do licor negro

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Publication number Priority date Publication date Assignee Title
WO2020243805A1 (pt) * 2019-06-03 2020-12-10 Suzano S.A. Processos de extração de lignina do licor negro

Also Published As

Publication number Publication date
JP2008516100A (ja) 2008-05-15
BRPI0517543B1 (pt) 2017-02-07
CA2580834C (en) 2013-10-01
CA2580834A1 (en) 2006-04-13
ATE513082T1 (de) 2011-07-15
US20080051566A1 (en) 2008-02-28
US8815052B2 (en) 2014-08-26
EP1797236B1 (en) 2011-06-15
EP1797236A4 (en) 2010-04-28
ZA200701627B (en) 2008-07-30
ES2368553T3 (es) 2011-11-18
WO2006038863A1 (en) 2006-04-13
PT1797236E (pt) 2011-08-31
SE0402437D0 (sv) 2004-10-07
JP4887299B2 (ja) 2012-02-29
ZA200802400B (en) 2009-04-29
EP1797236A1 (en) 2007-06-20

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