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FI963448L - Effect of temperature and alkali charge on pulp brightness - Google Patents

Effect of temperature and alkali charge on pulp brightness Download PDF

Info

Publication number
FI963448L
FI963448L FI963448A FI963448A FI963448L FI 963448 L FI963448 L FI 963448L FI 963448 A FI963448 A FI 963448A FI 963448 A FI963448 A FI 963448A FI 963448 L FI963448 L FI 963448L
Authority
FI
Finland
Prior art keywords
temperature
effect
alkali charge
pulp brightness
pulp
Prior art date
Application number
FI963448A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI118348B (en
FI963448A0 (en
Inventor
Nam Hea Shin
Original Assignee
Beloit Technologies Inc
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 Beloit Technologies Inc filed Critical Beloit Technologies Inc
Publication of FI963448L publication Critical patent/FI963448L/en
Publication of FI963448A0 publication Critical patent/FI963448A0/en
Application granted granted Critical
Publication of FI118348B publication Critical patent/FI118348B/en

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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
FI963448A 1994-03-04 1996-09-03 The effect of temperature and alkali supply on the brightness of the pulp FI118348B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US20649694A 1994-03-04 1994-03-04
US20649694 1994-03-04
PCT/US1995/002719 WO1995023891A1 (en) 1994-03-04 1995-03-02 Impact of temperature and alkali charge on pulp brightness
US9502719 1995-03-02

Publications (3)

Publication Number Publication Date
FI963448L true FI963448L (en) 1996-09-03
FI963448A0 FI963448A0 (en) 1996-09-03
FI118348B FI118348B (en) 2007-10-15

Family

ID=22766657

Family Applications (1)

Application Number Title Priority Date Filing Date
FI963448A FI118348B (en) 1994-03-04 1996-09-03 The effect of temperature and alkali supply on the brightness of the pulp

Country Status (19)

Country Link
EP (1) EP0748412B1 (en)
JP (1) JP2876428B2 (en)
CN (1) CN1143398A (en)
AT (1) ATE172503T1 (en)
AU (1) AU684623B2 (en)
BR (1) BR9506974A (en)
CA (1) CA2184706C (en)
DE (1) DE69505503T2 (en)
ES (1) ES2126263T3 (en)
FI (1) FI118348B (en)
MX (1) MX9603876A (en)
NO (1) NO963520L (en)
NZ (1) NZ282616A (en)
PL (1) PL316144A1 (en)
RO (1) RO117929B1 (en)
RU (1) RU2127342C1 (en)
TW (1) TW270159B (en)
WO (1) WO1995023891A1 (en)
ZA (1) ZA951777B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI970254A (en) * 1997-01-22 1998-07-23 Ahlstrom Machinery Oy Method and apparatus for cooking pulp
US6139689A (en) * 1997-06-11 2000-10-31 Beloit Technologies, Inc. Apparatus for digesting pulp in a displacement batch digester that uses displacement liquor having a sufficient hydrostatic head
FI20001351A0 (en) * 2000-06-06 2000-06-06 Valmet Chemical Pulping Oy Eräkeittomenetelmä
SE529475C2 (en) * 2006-11-22 2007-08-21 Metso Fiber Karlstad Ab Recovery of heat from black liquor during pulp production process, comprises supplying black liquor and bleaching filtrate to heat exchanger
KR20110123184A (en) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 Method and system for producing high alpha dissolving pulp
CN103757961B (en) * 2013-12-30 2016-01-20 汶瑞机械(山东)有限公司 A kind of batch cooking device and liquid distributing method thereof
US9644317B2 (en) 2014-11-26 2017-05-09 International Paper Company Continuous digester and feeding system
FI129440B (en) * 2020-01-15 2022-02-28 Chempolis Oy Cooking equipment and method for treating biomass containing lignocellulose

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1687076A (en) * 1927-10-12 1928-10-09 Venning D Simons Process for cooking wood chips by the alkaline process of pulp manufacture
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery
JPS6059189A (en) * 1983-08-24 1985-04-05 ベロイト　コ−ポレ−ション Multi-stage digestion of wood pulp
SU1498857A1 (en) * 1987-07-17 1989-08-07 Сибирский научно-исследовательский институт целлюлозы и картона Method of alkaline digestion of pulp in intermittent-action digesters

Also Published As

Publication number Publication date
FI118348B (en) 2007-10-15
RU2127342C1 (en) 1999-03-10
DE69505503D1 (en) 1998-11-26
PL316144A1 (en) 1996-12-23
EP0748412A1 (en) 1996-12-18
AU1978995A (en) 1995-09-18
BR9506974A (en) 1997-09-16
NZ282616A (en) 1997-05-26
CN1143398A (en) 1997-02-19
MX9603876A (en) 1997-03-29
DE69505503T2 (en) 1999-10-21
JP2876428B2 (en) 1999-03-31
RO117929B1 (en) 2002-09-30
TW270159B (en) 1996-02-11
FI963448A0 (en) 1996-09-03
CA2184706C (en) 2001-10-30
EP0748412B1 (en) 1998-10-21
ATE172503T1 (en) 1998-11-15
CA2184706A1 (en) 1995-09-08
NO963520L (en) 1996-08-23
ES2126263T3 (en) 1999-03-16
ZA951777B (en) 1995-12-11
AU684623B2 (en) 1997-12-18
WO1995023891A1 (en) 1995-09-08
JPH09505115A (en) 1997-05-20

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