ZA200701568B - Method for separating lignin from black liquor - Google Patents
Method for separating lignin from black liquorInfo
- Publication number
- ZA200701568B ZA200701568B ZA200701568A ZA200701568A ZA200701568B ZA 200701568 B ZA200701568 B ZA 200701568B ZA 200701568 A ZA200701568 A ZA 200701568A ZA 200701568 A ZA200701568 A ZA 200701568A ZA 200701568 B ZA200701568 B ZA 200701568B
- Authority
- ZA
- South Africa
- Prior art keywords
- lignin
- black liquor
- dewatering
- washing
- product
- Prior art date
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
-
- 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
Landscapes
- Paper (AREA)
- Compounds Of Unknown Constitution (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402201A SE0402201D0 (sv) | 2004-09-14 | 2004-09-14 | Method for separating lignin from black liquor |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200701568B true ZA200701568B (en) | 2008-08-27 |
Family
ID=33157528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200701568A ZA200701568B (en) | 2004-09-14 | 2005-09-08 | Method for separating lignin from black liquor |
Country Status (11)
Country | Link |
---|---|
US (1) | US8486224B2 (xx) |
EP (1) | EP1794363B2 (xx) |
JP (1) | JP5002458B2 (xx) |
AT (1) | ATE543947T2 (xx) |
BR (1) | BRPI0515247A (xx) |
CA (1) | CA2578382C (xx) |
ES (1) | ES2381915T5 (xx) |
PT (1) | PT1794363E (xx) |
SE (1) | SE0402201D0 (xx) |
WO (1) | WO2006031175A1 (xx) |
ZA (1) | ZA200701568B (xx) |
Families Citing this family (106)
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US5288857A (en) * | 1988-12-12 | 1994-02-22 | Ligno Tech Sweden Ab | Lignin preparation and method for its manufacture |
SE468717B (sv) * | 1988-12-12 | 1993-03-08 | Holmens Bruk Ab | Ligninpreparat och foerfarande foer dess framstaellning |
CA1335976C (en) * | 1989-05-31 | 1995-06-20 | Mahmoud Kamran Azarniouch | Recovery of naoh and other values from spent liquors and bleach plant effluents |
US5635024A (en) * | 1993-08-20 | 1997-06-03 | Bountiful Applied Research Corporation | Process for separating lignins and dissolved organic compounds from kraft spent liquor |
US5478366A (en) * | 1994-09-28 | 1995-12-26 | The University Of British Columbia | Pumpable lignin fuel |
JP3024526B2 (ja) * | 1995-10-11 | 2000-03-21 | 日本製紙株式会社 | リグニン組成物、その製造方法及びそれを用いたセメント分散剤 |
US5728264A (en) * | 1995-10-25 | 1998-03-17 | Union Camp Patent Holding, Inc. | Avoidance of salt scaling by acidic pulp washing process |
US5773590A (en) * | 1997-04-08 | 1998-06-30 | Betzdearborn Inc. | Methods of separating lignin solids and black liquor from tall oil fatty acids |
US5777086A (en) * | 1997-05-12 | 1998-07-07 | Thermo Fibergen, Inc. | Method of recovering lignin from pulp and paper sludge |
FI104335B (sv) * | 1997-10-13 | 1999-12-31 | Poeyry Jaakko & Co Oy | Förfarande för återvinning av alkali och energi ur silikathaltig svartlut |
AU6265699A (en) * | 1998-09-24 | 2000-04-10 | Kenneth R. Kurple | Pulping process without a recovery furnace |
US6172204B1 (en) * | 1999-06-04 | 2001-01-09 | Regents Of The University Of Minnesota | Compositions based on lignin derivatives |
US6420533B1 (en) * | 2000-08-04 | 2002-07-16 | Gene E. Lightner | Method to separate sodium from lignins and produce a sodium containing solution for recycle |
US20020129910A1 (en) * | 2001-03-14 | 2002-09-19 | Lightner Gene E. | Separation of black liquor to produce lignins substantially free of sodium |
US20030221804A1 (en) * | 2002-06-03 | 2003-12-04 | Lightner Gene E. | Lignins derived from black liquor |
AU2003256788A1 (en) * | 2002-07-25 | 2004-02-23 | Coffin World Water Systems | Apparatus and method for treating black liquor |
US8172981B2 (en) * | 2004-09-14 | 2012-05-08 | Lignoboost Ab | Separating lignin from black liquor by precipitation, suspension and separation |
SE0402437D0 (sv) * | 2004-10-07 | 2004-10-07 | Stfi Packforsk Ab | Method for separating lignin from a lignin containing liquid/slurry |
WO2009021216A2 (en) * | 2007-08-08 | 2009-02-12 | Bountiful Applied Research Corp. | Lignin dewatering process |
-
2004
- 2004-09-14 SE SE0402201A patent/SE0402201D0/xx unknown
-
2005
- 2005-09-08 WO PCT/SE2005/001301 patent/WO2006031175A1/en active Application Filing
- 2005-09-08 EP EP05778944.8A patent/EP1794363B2/en active Active
- 2005-09-08 AT AT05778944T patent/ATE543947T2/de active
- 2005-09-08 CA CA2578382A patent/CA2578382C/en not_active Expired - Fee Related
- 2005-09-08 PT PT05778944T patent/PT1794363E/pt unknown
- 2005-09-08 JP JP2007531127A patent/JP5002458B2/ja not_active Expired - Fee Related
- 2005-09-08 BR BRPI0515247-0A patent/BRPI0515247A/pt not_active Application Discontinuation
- 2005-09-08 ES ES05778944.8T patent/ES2381915T5/es active Active
- 2005-09-08 US US11/659,733 patent/US8486224B2/en active Active
- 2005-09-08 ZA ZA200701568A patent/ZA200701568B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BRPI0515247A (pt) | 2008-07-15 |
ATE543947T2 (de) | 2012-02-15 |
CA2578382A1 (en) | 2006-03-23 |
EP1794363B1 (en) | 2012-02-01 |
SE0402201D0 (sv) | 2004-09-14 |
CA2578382C (en) | 2013-07-02 |
WO2006031175A1 (en) | 2006-03-23 |
US20080047674A1 (en) | 2008-02-28 |
EP1794363B2 (en) | 2017-01-18 |
JP5002458B2 (ja) | 2012-08-15 |
ES2381915T5 (es) | 2017-09-01 |
JP2008513549A (ja) | 2008-05-01 |
ES2381915T3 (es) | 2012-06-01 |
PT1794363E (pt) | 2012-05-07 |
EP1794363A1 (en) | 2007-06-13 |
US8486224B2 (en) | 2013-07-16 |
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