DE69505503T2 - Auswirkung von temperatur und alkalibeladung auf den zellstoffweissgrad - Google Patents

Auswirkung von temperatur und alkalibeladung auf den zellstoffweissgrad

Info

Publication number
DE69505503T2
DE69505503T2 DE69505503T DE69505503T DE69505503T2 DE 69505503 T2 DE69505503 T2 DE 69505503T2 DE 69505503 T DE69505503 T DE 69505503T DE 69505503 T DE69505503 T DE 69505503T DE 69505503 T2 DE69505503 T2 DE 69505503T2
Authority
DE
Germany
Prior art keywords
cooking
temperature
effect
tilde
white liquor
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69505503T
Other languages
English (en)
Other versions
DE69505503D1 (de
Inventor
Nam Shin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beloit Technologies Inc
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
Application granted granted Critical
Publication of DE69505503D1 publication Critical patent/DE69505503D1/de
Publication of DE69505503T2 publication Critical patent/DE69505503T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Paper (AREA)
  • Pens And Brushes (AREA)
  • Primary Cells (AREA)
  • Dental Preparations (AREA)
  • Glass Compositions (AREA)
  • Secondary Cells (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Peptides Or Proteins (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE69505503T 1994-03-04 1995-03-02 Auswirkung von temperatur und alkalibeladung auf den zellstoffweissgrad Expired - Fee Related DE69505503T2 (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE69505503D1 DE69505503D1 (de) 1998-11-26
DE69505503T2 true DE69505503T2 (de) 1999-10-21

Family

ID=22766657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505503T Expired - Fee Related DE69505503T2 (de) 1994-03-04 1995-03-02 Auswirkung von temperatur und alkalibeladung auf den zellstoffweissgrad

Country Status (19)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI970254A (fi) * 1997-01-22 1998-07-23 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan keittämiseksi
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 (fi) * 2000-06-06 2000-06-06 Valmet Chemical Pulping Oy Eräkeittomenetelmä
SE0602476L (sv) * 2006-11-22 2007-08-21 Metso Fiber Karlstad Ab Metod för att återvinna värmeenergi från svartlut
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
CN103757961B (zh) * 2013-12-30 2016-01-20 汶瑞机械(山东)有限公司 一种间歇蒸煮装置及其布液方法
US9644317B2 (en) 2014-11-26 2017-05-09 International Paper Company Continuous digester and feeding system
FI129440B (fi) * 2020-01-15 2022-02-28 Chempolis Oy Keittolaitteisto ja -menetelmä lignoselluloosaa sisältävän biomassan käsittelemiseksi

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 (ja) * 1983-08-24 1985-04-05 ベロイト　コ−ポレ−ション 多段式木材チツプ蒸解法
SU1498857A1 (ru) * 1987-07-17 1989-08-07 Сибирский научно-исследовательский институт целлюлозы и картона Способ щелочной варки целлюлозы в котлах периодического действи

Also Published As

Publication number Publication date
NZ282616A (en) 1997-05-26
FI963448A0 (fi) 1996-09-03
ATE172503T1 (de) 1998-11-15
WO1995023891A1 (en) 1995-09-08
RU2127342C1 (ru) 1999-03-10
AU684623B2 (en) 1997-12-18
NO963520L (no) 1996-08-23
MX9603876A (es) 1997-03-29
FI963448A (fi) 1996-09-03
AU1978995A (en) 1995-09-18
BR9506974A (pt) 1997-09-16
ZA951777B (en) 1995-12-11
DE69505503D1 (de) 1998-11-26
ES2126263T3 (es) 1999-03-16
CA2184706C (en) 2001-10-30
TW270159B (de) 1996-02-11
EP0748412A1 (de) 1996-12-18
CN1143398A (zh) 1997-02-19
RO117929B1 (ro) 2002-09-30
JPH09505115A (ja) 1997-05-20
CA2184706A1 (en) 1995-09-08
PL316144A1 (en) 1996-12-23
JP2876428B2 (ja) 1999-03-31
FI118348B (fi) 2007-10-15
EP0748412B1 (de) 1998-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee