BR9007837A - Processo para preparacao,sob condicoes de reducao de licores de cozimento - Google Patents

Processo para preparacao,sob condicoes de reducao de licores de cozimento

Info

Publication number
BR9007837A
BR9007837A BR909007837A BR9007837A BR9007837A BR 9007837 A BR9007837 A BR 9007837A BR 909007837 A BR909007837 A BR 909007837A BR 9007837 A BR9007837 A BR 9007837A BR 9007837 A BR9007837 A BR 9007837A
Authority
BR
Brazil
Prior art keywords
reduction
preparation
under conditions
cooking liquors
liquors
Prior art date
Application number
BR909007837A
Other languages
English (en)
Portuguese (pt)
Inventor
Mats-Olov Hedblom
Hans Lindberg
Original Assignee
Chemrec Ab
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 Chemrec Ab filed Critical Chemrec Ab
Publication of BR9007837A publication Critical patent/BR9007837A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • 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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
BR909007837A 1989-11-23 1990-11-21 Processo para preparacao,sob condicoes de reducao de licores de cozimento BR9007837A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8903953A SE465039B (sv) 1989-11-23 1989-11-23 Saett att framstaella koklutar med hoeg sulfiditet foer sulfatmassakokning
PCT/SE1990/000751 WO1991008337A1 (en) 1989-11-23 1990-11-21 A process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking

Publications (1)

Publication Number Publication Date
BR9007837A true BR9007837A (pt) 1992-08-25

Family

ID=20377574

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909007837A BR9007837A (pt) 1989-11-23 1990-11-21 Processo para preparacao,sob condicoes de reducao de licores de cozimento

Country Status (18)

Country Link
EP (1) EP0502052B1 (no)
JP (1) JP2815701B2 (no)
CN (1) CN1030003C (no)
AR (1) AR243947A1 (no)
AT (1) ATE112595T1 (no)
AU (1) AU662882B2 (no)
BR (1) BR9007837A (no)
CA (1) CA2069107C (no)
DE (1) DE69013159T2 (no)
ES (1) ES2062569T3 (no)
FI (1) FI103902B (no)
MX (1) MX173408B (no)
MY (1) MY104532A (no)
NO (1) NO176109C (no)
RU (1) RU2067637C1 (no)
SE (1) SE465039B (no)
WO (1) WO1991008337A1 (no)
ZA (1) ZA909337B (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5326433A (en) * 1991-02-06 1994-07-05 Ahlstrom Recovery Inc. Multi-level sulfide content white liquor production and utilization in cellulose pulping
US5213663A (en) * 1991-07-22 1993-05-25 The Foxboro Company Method for controlling the sodium carbonate concentration of green liquor in the dissolving tank
FI92725C (fi) * 1991-09-09 1994-12-27 Ahlstroem Oy Menetelmä keittolipeän valmistamiseksi
FI914586A (fi) * 1991-09-27 1993-03-28 Ahlstroem Oy Foerfarande foer foerminskning av asklasten av en cellufabriks pannanlaeggning
SE468600B (sv) * 1991-12-16 1993-02-15 Chemrec Ab Saett att framstaella koklut med hoeg sulfiditet
SE9300199L (sv) * 1993-01-25 1994-07-26 Kvaerner Pulping Tech Metod vid återvinning av cellulosaavlutar
US6030493A (en) 1994-11-04 2000-02-29 Kvaerner Pulping, Ab Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers
SE518735C2 (sv) * 1999-10-13 2002-11-12 Chemrec Ab Förfarande och anordning vid utvinning av kemikalier i samband med förgasning av restprodukter från massaframställning
CN1087045C (zh) * 2000-03-17 2002-07-03 中国科学院生态环境研究中心 碱法制浆造纸黑液良性循环资源化处理新工艺
CL2010001609A1 (es) * 2010-12-29 2011-03-18 Univ De Concepcion 50% Proceso para obtener tall oil util que comprende la reaccion entre una solucion de sesquisulfato de sodio y jabon de tall oil.
CN103510418B (zh) * 2012-06-25 2016-03-30 北京英力生科新材料技术有限公司 一种无黑液化学制浆工艺
CN103726375A (zh) * 2013-12-30 2014-04-16 中冶美利纸业股份有限公司 一种沙柳亚硫酸盐法制浆工艺
CN103726376A (zh) * 2013-12-30 2014-04-16 中冶美利纸业股份有限公司 阔叶木材间歇式低温快速制浆工艺
FI130066B (en) * 2019-02-13 2023-01-31 Andritz Oy Process for replacing sodium losses in a pulp mill and process for producing bleached cellulosic pulp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098639A (en) * 1975-06-17 1978-07-04 Mo Och Domsjo Aktiebolag Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material
SE447400B (sv) * 1985-03-26 1986-11-10 Skf Steel Eng Ab Sett och anordning for kemikalieatervinning av massaavlutar i konventionell sodapanna
PT83761B (pt) * 1985-11-19 1989-06-30 Schering Biotech Corp Metodo para a producao de interleuquina-4 de mamifero
JPS62166881A (ja) * 1986-01-16 1987-07-23 Michio Matsuhashi 大腸菌のペリプラズム蛋白質分泌変異株
AU589540B2 (en) * 1986-08-14 1989-10-12 Alby Klorat Ab A process for the preparation of sulphide-free alkali liquor
JPS63237790A (ja) * 1987-03-27 1988-10-04 Toyo Jozo Co Ltd ＯｍｐＡシグナルペプチドを用いたヒトス−パ−オキシドデイスムタ−ゼ及びグラム陰性細菌による細胞外分泌生産

Also Published As

Publication number Publication date
SE465039B (sv) 1991-07-15
FI922288A (fi) 1992-05-20
AU6883691A (en) 1991-06-26
ZA909337B (en) 1991-09-25
NO921962D0 (no) 1992-05-19
EP0502052B1 (en) 1994-10-05
MX173408B (es) 1994-03-01
JPH05502274A (ja) 1993-04-22
EP0502052A1 (en) 1992-09-09
CN1030003C (zh) 1995-10-11
FI922288A0 (fi) 1992-05-20
WO1991008337A1 (en) 1991-06-13
RU2067637C1 (ru) 1996-10-10
AU662882B2 (en) 1995-09-21
CA2069107A1 (en) 1991-05-24
CN1051953A (zh) 1991-06-05
DE69013159D1 (de) 1994-11-10
DE69013159T2 (de) 1995-03-09
NO176109C (no) 1995-02-01
SE8903953L (sv) 1991-05-24
AR243947A1 (es) 1993-09-30
FI103902B1 (fi) 1999-10-15
FI103902B (fi) 1999-10-15
ATE112595T1 (de) 1994-10-15
JP2815701B2 (ja) 1998-10-27
NO176109B (no) 1994-10-24
SE8903953D0 (sv) 1989-11-23
NO921962L (no) 1992-05-20
ES2062569T3 (es) 1994-12-16
MY104532A (en) 1994-04-30
CA2069107C (en) 2002-04-09

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/11/2010