FI70611C - Foerfarande foer utfaellning av ligninsulfonater ur en sulfitavlut - Google Patents

Foerfarande foer utfaellning av ligninsulfonater ur en sulfitavlut Download PDF

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Publication number
FI70611C
FI70611C FI812932A FI812932A FI70611C FI 70611 C FI70611 C FI 70611C FI 812932 A FI812932 A FI 812932A FI 812932 A FI812932 A FI 812932A FI 70611 C FI70611 C FI 70611C
Authority
FI
Finland
Prior art keywords
polyimine
process according
precipitation
dissolved
precipitate
Prior art date
Application number
FI812932A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI812932L (fi
FI70611B (fi
Inventor
Annegret Haars
Aloys Huettermann
Original Assignee
Biotechnolog Forschung Gmbh
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 Biotechnolog Forschung Gmbh filed Critical Biotechnolog Forschung Gmbh
Publication of FI812932L publication Critical patent/FI812932L/fi
Application granted granted Critical
Publication of FI70611B publication Critical patent/FI70611B/fi
Publication of FI70611C publication Critical patent/FI70611C/fi

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08HDERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00Macromolecular compounds derived from lignin, e.g. tannins, humic acids
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007Recovery 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)
  • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Paper (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Treating Waste Gases (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FI812932A 1980-10-10 1981-09-21 Foerfarande foer utfaellning av ligninsulfonater ur en sulfitavlut FI70611C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3038241A DE3038241C2 (de) 1980-10-10 1980-10-10 Verfahren zur Ausfällung von Ligninsulfonaten aus Sulfitablaugen
DE3038241 1980-10-10

Publications (3)

Publication Number Publication Date
FI812932L FI812932L (fi) 1982-04-11
FI70611B FI70611B (fi) 1986-06-06
FI70611C true FI70611C (fi) 1986-09-24

Family

ID=6114037

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812932A FI70611C (fi) 1980-10-10 1981-09-21 Foerfarande foer utfaellning av ligninsulfonater ur en sulfitavlut

Country Status (7)

Country Link
US (1) US4459228A (fr)
EP (1) EP0049831B1 (fr)
AT (1) ATE9481T1 (fr)
CA (1) CA1187487A (fr)
DE (1) DE3038241C2 (fr)
FI (1) FI70611C (fr)
NO (1) NO153178C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611676A1 (de) * 1986-04-08 1987-10-15 Pfleiderer Fa G A Verfahren und vorrichtung zum ausfaellen von negativ geladenen lignin-derivaten
DE3621217C1 (en) * 1986-06-25 1987-08-06 Pfleiderer Fa G A Method for cultivating heterotrophic microorganisms
FR2612916B1 (fr) * 1987-03-27 1991-02-15 Elf Aquitaine Traitement des rejets d'eaux de bourbiers contenant des lignosulfonates
US4992417A (en) * 1987-07-17 1991-02-12 Mount Sinai School Of Medicine Superactive human insulin analogues
SE459925B (sv) * 1987-12-23 1989-08-21 Boliden Ab Avskiljning av harts ur massaavlutar
US20040158033A1 (en) * 2003-02-06 2004-08-12 Benson Robert A.C. Treated lignosulfonates as additives for cementitous systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24213E (en) * 1952-06-07 1956-09-11 Ammonia recovery
US2842534A (en) * 1956-02-20 1958-07-08 West Virginia Pulp & Paper Co Nitrogen containing lignins and method of making same
US2839417A (en) * 1956-05-07 1958-06-17 Dow Chemical Co Stabilized soil compositions containing reaction products of lignin with polyalkylene polyamines
US3271382A (en) * 1963-09-26 1966-09-06 Rayonier Inc Recovery of lignosulfonates from spent sulfite liquors
DE1570363A1 (de) * 1964-06-24 1970-02-05 Chemirad Corp Verfahren zur Herstellung von vorzugsweise gelartigen Produkten Reaktionsprodukten von Polyaethylenimin und Lignin und solche enthaltende Faserprodukte
US3697497A (en) * 1970-09-17 1972-10-10 Bayer Ag Hexamethylene tetramine derivatives of alkali lignins
FI60873C (fi) * 1979-05-28 1982-04-13 Tampella Oy Ab Foerfarande foer avskiljning av lignosulfonsyror och lignosulfonater genom extraktion ur avlut fraon kok av cellulosahaltigt material

Also Published As

Publication number Publication date
EP0049831B1 (fr) 1984-09-19
NO813422L (no) 1982-04-13
EP0049831A3 (en) 1982-05-05
ATE9481T1 (de) 1984-10-15
CA1187487A (fr) 1985-05-21
FI812932L (fi) 1982-04-11
EP0049831A2 (fr) 1982-04-21
NO153178B (no) 1985-10-21
US4459228A (en) 1984-07-10
DE3038241C2 (de) 1983-01-05
DE3038241A1 (de) 1982-09-16
NO153178C (no) 1986-01-29
FI70611B (fi) 1986-06-06

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Date Code Title Description
MM Patent lapsed

Owner name: G.A. PFLEIDERER UNTERNEHMENSVERWALTUNG