ZA973887B - Batch process for preparing improved kraft pulp. - Google Patents

Batch process for preparing improved kraft pulp.

Info

Publication number
ZA973887B
ZA973887B ZA9703887A ZA973887A ZA973887B ZA 973887 B ZA973887 B ZA 973887B ZA 9703887 A ZA9703887 A ZA 9703887A ZA 973887 A ZA973887 A ZA 973887A ZA 973887 B ZA973887 B ZA 973887B
Authority
ZA
South Africa
Prior art keywords
batch process
kraft pulp
derivative
preparing improved
green liquor
Prior art date
Application number
ZA9703887A
Other languages
English (en)
Inventor
Panu Tikka
Mikael Svedman
Original Assignee
Sunds Defibrator Pori Oy
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 Sunds Defibrator Pori Oy filed Critical Sunds Defibrator Pori Oy
Publication of ZA973887B publication Critical patent/ZA973887B/xx

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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Reinforced Plastic Materials (AREA)
  • Secondary Cells (AREA)
ZA9703887A 1996-05-30 1997-05-06 Batch process for preparing improved kraft pulp. ZA973887B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI962260A FI105929B (fi) 1996-05-30 1996-05-30 Parannettu erämenetelmä sulfaattiselluloosan valmistamiseksi

Publications (1)

Publication Number Publication Date
ZA973887B true ZA973887B (en) 1998-02-25

Family

ID=8546116

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9703887A ZA973887B (en) 1996-05-30 1997-05-06 Batch process for preparing improved kraft pulp.

Country Status (16)

Country Link
EP (1) EP0810321B1 (fr)
JP (1) JPH1053989A (fr)
CN (1) CN1109160C (fr)
AT (1) ATE202167T1 (fr)
AU (1) AU721440B2 (fr)
BR (1) BR9703156A (fr)
CA (1) CA2203096C (fr)
DE (1) DE69705160T2 (fr)
ES (1) ES2159385T3 (fr)
FI (1) FI105929B (fr)
ID (1) ID18445A (fr)
NO (1) NO972456L (fr)
NZ (1) NZ314898A (fr)
PT (1) PT810321E (fr)
RU (1) RU2128259C1 (fr)
ZA (1) ZA973887B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6103057A (en) * 1997-06-11 2000-08-15 Fagerlund; Bertil K. Kraft digesting process wherein a vapor interface is formed by withdrawing hot cooking liquor
FI120361B (fi) * 2003-12-31 2009-09-30 Gl & V Finance Hungary Kft Eräkeittomenetelmä kraftmassan valmistamiseksi
US7867360B2 (en) * 2004-07-13 2011-01-11 Fpinnovations Generation of active polysulphide with manganese and bismuth catalysts
JP5207191B2 (ja) * 2006-05-19 2013-06-12 ザ リサーチ ファンデーション オブ ステート ユニヴァーシティ オブ ニューヨーク セルロース系材料の炭酸塩前処理およびパルプ化の方法
SE0702874L (sv) * 2007-12-20 2009-06-09 Metso Fiber Karlstad Ab Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs
AU2010202496B2 (en) * 2010-05-04 2015-04-16 Bahia Specialty Cellulose Sa Method and system for high alpha dissolving pulp production
RU2535804C2 (ru) * 2010-05-04 2014-12-20 Байа Спешалти Сельюлоз Са Способ и система производства растворимой целлюлозной массы с высоким содержанием альфа-целлюлозы
ES2525263T3 (es) * 2010-05-04 2014-12-19 Bahia Specialty Cellulose Sa Procedimiento y sistema de tratamiento de pasta de papel utilizando una extracción cáustica en frío con reutilización del filtrado alcalino
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
EP2592186A1 (fr) * 2011-11-08 2013-05-15 Södra Cell AB Procédé de réduction en pâte kraft
CN104452389B (zh) * 2014-11-04 2017-02-15 中国轻工业南宁设计工程有限公司 一种节能的制浆蒸煮顺序联锁控制系统
CN104988781B (zh) * 2015-08-11 2017-01-18 湛江晨鸣浆纸有限公司 一种木片制浆工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811995A (en) * 1972-09-05 1974-05-21 Westvaco Corp Method of high yield semichemical pulp production
JPS55103386A (en) * 1979-01-29 1980-08-07 Sanyo Kokusaku Pulp Co Two stage sulphate digesting method
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
SU1645323A1 (ru) * 1989-04-05 1991-04-30 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Способ получени целлюлозы
FI92224C (fi) * 1991-06-28 1994-10-10 Sunds Defibrator Rauma Oy Eräprosessi kraftmassan valmistamiseksi
GB9117936D0 (en) * 1991-08-20 1991-10-09 Canada Inc Production of sodium hydroxide
SE500748C2 (sv) * 1992-10-12 1994-08-22 Bertil Pettersson Förfarande vid kemikalieåtervinning i en sulfatmassafabrik för framställning av dels en vitlut med hög sulfiditet och dels en sulfidfattig vitlut
FI95608B (fi) * 1994-06-17 1995-11-15 Ahlstroem Oy Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation

Also Published As

Publication number Publication date
FI962260A0 (fi) 1996-05-30
FI962260L (fi) 1997-12-01
JPH1053989A (ja) 1998-02-24
DE69705160T2 (de) 2002-05-16
ATE202167T1 (de) 2001-06-15
FI105929B (fi) 2000-10-31
RU2128259C1 (ru) 1999-03-27
CA2203096A1 (fr) 1997-11-30
CN1170795A (zh) 1998-01-21
CA2203096C (fr) 2005-06-28
AU721440B2 (en) 2000-07-06
PT810321E (pt) 2001-10-31
NO972456D0 (no) 1997-05-29
EP0810321A1 (fr) 1997-12-03
ID18445A (id) 1998-04-09
ES2159385T3 (es) 2001-10-01
NZ314898A (en) 1998-06-26
CN1109160C (zh) 2003-05-21
AU2016297A (en) 1997-12-04
BR9703156A (pt) 1998-10-27
DE69705160D1 (de) 2001-07-19
NO972456L (no) 1997-12-01
EP0810321B1 (fr) 2001-06-13

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