PT2723939T - Método para separação de lenhina de licor negro que compreende múltiplos passos de acidificação - Google Patents

Método para separação de lenhina de licor negro que compreende múltiplos passos de acidificação

Info

Publication number
PT2723939T
PT2723939T PT118684067T PT11868406T PT2723939T PT 2723939 T PT2723939 T PT 2723939T PT 118684067 T PT118684067 T PT 118684067T PT 11868406 T PT11868406 T PT 11868406T PT 2723939 T PT2723939 T PT 2723939T
Authority
PT
Portugal
Prior art keywords
black liquor
lignin separation
acidification steps
multiple acidification
steps
Prior art date
Application number
PT118684067T
Other languages
English (en)
Inventor
Wimby Martin
Björklund Peter
Wallmo Henrik
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
Publication of PT2723939T publication Critical patent/PT2723939T/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G1/00—Lignin; Lignin derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00—Macromolecular compounds derived from lignocellulosic 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
PT118684067T 2011-06-22 2011-06-22 Método para separação de lenhina de licor negro que compreende múltiplos passos de acidificação PT2723939T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11868406.7A EP2723939B1 (en) 2011-06-22 2011-06-22 Method for lignin separation from black liquor comprising multiple acidification steps
PCT/SE2011/050830 WO2012177198A1 (en) 2011-06-22 2011-06-22 Method for lignin separation from black liquor comprising multiple acidification steps

Publications (1)

Publication Number Publication Date
PT2723939T true PT2723939T (pt) 2018-02-13

Family

ID=47422819

Family Applications (1)

Application Number Title Priority Date Filing Date
PT118684067T PT2723939T (pt) 2011-06-22 2011-06-22 Método para separação de lenhina de licor negro que compreende múltiplos passos de acidificação

Country Status (7)

Country Link
US (1) US9266917B2 (pt)
EP (1) EP2723939B1 (pt)
BR (1) BR112013033249A2 (pt)
CA (1) CA2839864C (pt)
ES (1) ES2658916T3 (pt)
PT (1) PT2723939T (pt)
WO (1) WO2012177198A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9777033B2 (en) * 2012-03-16 2017-10-03 Valmet Ab Method for lignin separation from black liquor
FI127010B (en) * 2012-08-24 2017-09-29 Upm Kymmene Corp Process for the recovery of low molecular weight lignin from a filtrate
WO2014070861A1 (en) * 2012-10-30 2014-05-08 Thies Mark Ph-induced fractionation processes for recovery of lignin
FI20135105L (fi) * 2013-02-04 2014-08-05 Andritz Oy Menetelmä kemikaalien ja sivutuotteiden talteenottamiseksi korkean sulfiditeetin keittolipeistä
CN105531303B (zh) 2013-08-09 2019-08-23 森高工业有限公司 从黑液获得木质素的方法和由此制造的产物
DE102014215807B3 (de) 2014-08-08 2015-12-24 Suncoal Industries Gmbh Verfahren zur Gewinnung eines stabilisierten Lignins mit definierter Korngrößenverteilung aus einer Lignin beinhaltenden Flüssigkeit
AT519535A1 (de) * 2016-12-23 2018-07-15 Univ Wien Tech Herstellungsverfahren
US11866456B2 (en) * 2020-07-14 2024-01-09 Liquid Lignin Company Process for treating lignin
AT524165B1 (de) 2020-08-27 2023-03-15 Papierholz Austria Gmbh Verfahren zur Abtrennung von Lignin aus Schwarzlauge
RU2756631C1 (ru) * 2020-10-12 2021-10-04 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет промышленных технологий и дизайна" Способ удаления лигноуглеводного комплекса из черного щелока производства сульфатной целлюлозы (3 варианта)
SE2150840A1 (en) * 2021-06-30 2022-12-31 Valmet Oy Method and system for lignin production

Family Cites Families (24)

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Publication number Priority date Publication date Assignee Title
US2772965A (en) * 1953-06-02 1956-12-04 Rayonier Inc Recovery of chemicals in wood pulp preparation
FR1112129A (fr) 1953-11-19 1956-03-08 Inventa Ag Procédé pour la préparation de la lignine à partir des liqueurs noires
CA983712A (en) * 1971-12-22 1976-02-17 National Research Council Of Canada Pressure sensitive coatings
SE386693B (sv) * 1974-01-11 1976-08-16 Skogsegarnas Ind Ab Sett att forhindra eller begrensa utslepp av illaluktande och/eller sura svavelforbrenningsprodukter fran kemikalieregeneringsprocesser vid massaframstellning av ved medelst alkalisk uppslutning, varvid bildas...
US4111928A (en) * 1975-08-28 1978-09-05 Holsopple Dale B Method of separating lignin and making epoxide-lignin
US4551151A (en) * 1984-04-16 1985-11-05 Westvaco Corporation Dyestuff composition: disperse or vat dye and lignin sulphonate
US4642336A (en) * 1984-12-10 1987-02-10 Westvaco Corporation Ammonium lignosulfonates
US4797157A (en) * 1985-10-03 1989-01-10 Westvaco Corporation Amine salts of lignosulfonates
US4764596A (en) * 1985-11-05 1988-08-16 Repap Technologies Inc. Recovery of lignin
US5049661A (en) * 1989-01-19 1991-09-17 Westvaco Corporation Sulfonation of lignins
US5008378A (en) * 1988-10-11 1991-04-16 Westvaco Corporation Submicron lignin dispersions
US5043432A (en) * 1989-01-19 1991-08-27 Westvaco Corporation Sulfonation of lignins
CA1335976C (en) 1989-05-31 1995-06-20 Mahmoud Kamran Azarniouch Recovery of naoh and other values from spent liquors and bleach plant effluents
US6464827B1 (en) * 2000-11-28 2002-10-15 Praxair Technology, Inc. Method of digesting wood with an alkaline liquor by adding an acidic agent to precipitate dissociated lignin
SE0402201D0 (sv) 2004-09-14 2004-09-14 Stfi Packforsk Ab Method for separating lignin from black liquor
SE0402437D0 (sv) 2004-10-07 2004-10-07 Stfi Packforsk Ab Method for separating lignin from a lignin containing liquid/slurry
US7699958B2 (en) * 2006-11-27 2010-04-20 Ut-Battelle, Llc Method for improving separation of carbohydrates from wood pulping and wood or biomass hydrolysis liquors
WO2008079072A1 (en) 2006-12-22 2008-07-03 Kiram Ab Method for recovering a low sodium content lignin fuel from black liquor
EP2247785B1 (en) 2008-02-21 2019-12-18 Valmet AB A method for separating lignin from black liquor, a lignin product, and use of a lignin product for the production of fuels or materials
CA2763447C (en) * 2009-06-10 2017-10-31 Metso Power Ab Method for precipitating lignin from black liquor by utilizing waste gases
US9260464B2 (en) * 2009-09-25 2016-02-16 Michael A. Lake Process for recovering lignin
WO2011150508A1 (en) * 2010-06-03 2011-12-08 Fpinnovations Method for separating lignin from black liquor
ES2584678T3 (es) * 2011-06-28 2016-09-28 Valmet Ab Método de separación de la lignina del licor negro que comprende la eliminación de compuestos de azufre del efluente de agua formado
EP2776621B1 (en) * 2011-11-11 2016-07-27 Valmet Aktiebolag Method for lignin separation from black liquor involving multiple acidification steps

Also Published As

Publication number Publication date
EP2723939B1 (en) 2017-11-08
EP2723939A1 (en) 2014-04-30
US20140288284A1 (en) 2014-09-25
WO2012177198A1 (en) 2012-12-27
BR112013033249A2 (pt) 2017-03-01
US9266917B2 (en) 2016-02-23
EP2723939A4 (en) 2015-04-01
ES2658916T3 (es) 2018-03-12
CA2839864C (en) 2018-06-12
CA2839864A1 (en) 2012-12-27
WO2012177198A8 (en) 2014-01-23

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