AU684623B2 - Impact of temperature and alkali charge on pulp brightness - Google Patents

Impact of temperature and alkali charge on pulp brightness

Info

Publication number
AU684623B2
AU684623B2 AU19789/95A AU1978995A AU684623B2 AU 684623 B2 AU684623 B2 AU 684623B2 AU 19789/95 A AU19789/95 A AU 19789/95A AU 1978995 A AU1978995 A AU 1978995A AU 684623 B2 AU684623 B2 AU 684623B2
Authority
AU
Australia
Prior art keywords
liquor
cooking
digester
white liquor
temperature
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.)
Ceased
Application number
AU19789/95A
Other languages
English (en)
Other versions
AU1978995A (en
Inventor
Nam Hee 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
Publication of AU1978995A publication Critical patent/AU1978995A/en
Application granted granted Critical
Publication of AU684623B2 publication Critical patent/AU684623B2/en
Anticipated expiration legal-status Critical
Ceased 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)
  • Glass Compositions (AREA)
  • Secondary Cells (AREA)
  • Dental Preparations (AREA)
  • Primary Cells (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AU19789/95A 1994-03-04 1995-03-02 Impact of temperature and alkali charge on pulp brightness Ceased AU684623B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US20649694A 1994-03-04 1994-03-04
US206496 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
AU1978995A AU1978995A (en) 1995-09-18
AU684623B2 true AU684623B2 (en) 1997-12-18

Family

ID=22766657

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19789/95A Ceased AU684623B2 (en) 1994-03-04 1995-03-02 Impact of temperature and alkali charge on pulp brightness

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery
SU1498857A1 (ru) * 1987-07-17 1989-08-07 Сибирский научно-исследовательский институт целлюлозы и картона Способ щелочной варки целлюлозы в котлах периодического действи

Family Cites Families (2)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery
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
TW270159B (de) 1996-02-11
EP0748412A1 (de) 1996-12-18
EP0748412B1 (de) 1998-10-21
JPH09505115A (ja) 1997-05-20
CA2184706A1 (en) 1995-09-08
CA2184706C (en) 2001-10-30
FI963448A (fi) 1996-09-03
RU2127342C1 (ru) 1999-03-10
PL316144A1 (en) 1996-12-23
CN1143398A (zh) 1997-02-19
NZ282616A (en) 1997-05-26
FI118348B (fi) 2007-10-15
AU1978995A (en) 1995-09-18
BR9506974A (pt) 1997-09-16
ES2126263T3 (es) 1999-03-16
ZA951777B (en) 1995-12-11
ATE172503T1 (de) 1998-11-15
WO1995023891A1 (en) 1995-09-08
RO117929B1 (ro) 2002-09-30
DE69505503D1 (de) 1998-11-26
DE69505503T2 (de) 1999-10-21
FI963448A0 (fi) 1996-09-03
NO963520L (no) 1996-08-23
JP2876428B2 (ja) 1999-03-31
MX9603876A (es) 1997-03-29

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired