AT240686B - Verfahren zur Behandlung von Schwarzlaugen aus der Kraft-Zellstoff-Herstellung - Google Patents

Verfahren zur Behandlung von Schwarzlaugen aus der Kraft-Zellstoff-Herstellung

Info

Publication number
AT240686B
AT240686B AT661059A AT661059A AT240686B AT 240686 B AT240686 B AT 240686B AT 661059 A AT661059 A AT 661059A AT 661059 A AT661059 A AT 661059A AT 240686 B AT240686 B AT 240686B
Authority
AT
Austria
Prior art keywords
treatment
kraft pulp
pulp production
black liquors
liquors
Prior art date
Application number
AT661059A
Other languages
English (en)
Original Assignee
West Virginia Pulp & Paper Co
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 West Virginia Pulp & Paper Co filed Critical West Virginia Pulp & Paper Co
Application granted granted Critical
Publication of AT240686B publication Critical patent/AT240686B/de

Links

Classifications

    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
AT661059A 1958-09-10 1959-09-10 Verfahren zur Behandlung von Schwarzlaugen aus der Kraft-Zellstoff-Herstellung AT240686B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US760185A US2976273A (en) 1958-09-10 1958-09-10 Treatment of kraft black liquor and product

Publications (1)

Publication Number Publication Date
AT240686B true AT240686B (de) 1965-06-10

Family

ID=25058352

Family Applications (1)

Application Number Title Priority Date Filing Date
AT661059A AT240686B (de) 1958-09-10 1959-09-10 Verfahren zur Behandlung von Schwarzlaugen aus der Kraft-Zellstoff-Herstellung

Country Status (2)

Country Link
US (1) US2976273A (de)
AT (1) AT240686B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948801A (en) * 1972-09-14 1976-04-06 Westvaco Corporation Stabilizer composition of phosphite and lignin
SE384544B (sv) * 1972-12-11 1976-05-10 Svenska Traeforskningsinst Sett vid alkalisk uppslutning av cellulosahaltigt material
US4584057A (en) * 1985-04-22 1986-04-22 The United States Of America As Represented By The Secretary Of Agriculture Membrane processes for separation of organic acids from kraft black liquors
US4764597A (en) * 1987-06-15 1988-08-16 Westvaco Corporation Method for methylolation of lignin materials
US5026808A (en) * 1989-04-03 1991-06-25 Colorado State University Research Foundation Method for recovering and using lignin in adhesive resins by extracting demethylated lignin
US5021531A (en) * 1989-04-03 1991-06-04 Colorado State University Research Foundation Method for recovering and using lignin in adhesive resins by extracting demethylated lignin
US5177169A (en) * 1989-04-03 1993-01-05 Colorado State University Research Foundation Method for recovering and using lignin in adhesive resins
US5480512A (en) * 1990-07-09 1996-01-02 A. Ahlstrom Corporation Method of controlling sulfidity of a sulfate pulp mill
CA2345394A1 (en) * 1998-09-24 2000-03-30 Kenneth R. Kurple (Deceased) Pulping process without a recovery furnace
US20030056910A1 (en) * 2001-09-24 2003-03-27 Mullen Walter Thomas Method to lower the release of hazardous air pollutants from kraft recovery process
US20060254733A1 (en) * 2001-09-24 2006-11-16 Dunn Jerry P Method to lower the release of hazardous air pollutants from Kraft recovery process
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
US8709204B1 (en) * 2013-03-14 2014-04-29 Veolia Water Solutions & Technologies North America Inc. System and process for recovering heat from weak black liquor in a wood pulping process
WO2018115592A1 (en) * 2016-12-21 2018-06-28 Teknologian Tutkimuskeskus Vtt Oy Method for producing reactive lignin
SE2050074A1 (en) * 2020-01-28 2021-01-29 Soedra Skogsaegarna Ekonomisk Foerening Process for producing one, or more, compounds
WO2024187276A1 (en) * 2023-03-14 2024-09-19 Fpinnovations Improved process for the extraction of kraft lignin from hardwood and eucalyptus black liquors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA466610A (en) * 1950-07-18 Olof Vidar Bergstrom Hilding Process of utilizing waste liquors
USRE24293E (en) * 1957-03-19 Method of improving the yield of
NL17597C (de) * 1923-06-06
US2505457A (en) * 1947-06-19 1950-04-25 Nat Aluminate Corp Method of inhibiting scale
US2505304A (en) * 1947-06-19 1950-04-25 Marathon Corp Lignin compounds and method for making same

Also Published As

Publication number Publication date
US2976273A (en) 1961-03-21

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