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BR9007837A - PROCESS FOR PREPARATION, UNDER CONDITIONS OF REDUCTION OF COOKING LIQUORS - Google Patents

PROCESS FOR PREPARATION, UNDER CONDITIONS OF REDUCTION OF COOKING LIQUORS

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
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/en

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 PROCESS FOR PREPARATION, UNDER CONDITIONS OF REDUCTION OF COOKING LIQUORS BR9007837A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8903953A SE465039B (en) 1989-11-23 1989-11-23 MADE TO MAKE SUBSTANCES WITH HIGH SULFIDITY BEFORE SULFAT PREPARATION
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 (en) 1992-08-25

Family

ID=20377574

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909007837A BR9007837A (en) 1989-11-23 1990-11-21 PROCESS FOR PREPARATION, UNDER CONDITIONS OF REDUCTION OF COOKING LIQUORS

Country Status (18)

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

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 (en) * 1991-09-09 1994-12-27 Ahlstroem Oy Method for making cooking liquor
FI914586A7 (en) * 1991-09-27 1993-03-28 A Ahlstrom Corp Method for reducing ash load in a pulp mill boiler plant
SE468600B (en) * 1991-12-16 1993-02-15 Chemrec Ab SET TO MAKE HIGH SULFIDITY COOKIES
SE9300199L (en) * 1993-01-25 1994-07-26 Kvaerner Pulping Tech Method for recycling cellulosic liquids
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 (en) * 1999-10-13 2002-11-12 Chemrec Ab Process and apparatus for the extraction of chemicals in connection with gasification of residues from pulp production
CN1087045C (en) * 2000-03-17 2002-07-03 中国科学院生态环境研究中心 Cyclic process for treating black paper-making liquid of alkali pulping to recover useful resource
CL2010001609A1 (en) * 2010-12-29 2011-03-18 Univ De Concepcion 50% Process for obtaining tall oil util that comprises the reaction between a solution of sodium sesquisulfate and tall oil soap.
CN103510418B (en) * 2012-06-25 2016-03-30 北京英力生科新材料技术有限公司 A kind of without black liquor chemical pulping process
CN103726376A (en) * 2013-12-30 2014-04-16 中冶美利纸业股份有限公司 Intermittent low-temperature quick pulping process for broad-leaf wood
CN103726375A (en) * 2013-12-30 2014-04-16 中冶美利纸业股份有限公司 Sulfite pulping process of salix mongolica
FI130066B (en) * 2019-02-13 2023-01-31 Andritz Oy A method of replacing sodium losses in a pulp mill, and a method of 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 (en) * 1985-03-26 1986-11-10 Skf Steel Eng Ab SET AND DEVICE FOR CHEMICAL EQUIPMENT OF MASS WASTE IN CONVENTIONAL SODAPANNA
PT83761B (en) * 1985-11-19 1989-06-30 Schering Biotech Corp METHOD FOR THE PRODUCTION OF INTERLEUQUIN-4 OF MAMIFERO
JPS62166881A (en) * 1986-01-16 1987-07-23 Michio Matsuhashi Periplasmic protein-secreting variant strain of escherichia coli
AU589540B2 (en) * 1986-08-14 1989-10-12 Alby Klorat Ab A process for the preparation of sulphide-free alkali liquor
JPS63237790A (en) * 1987-03-27 1988-10-04 Toyo Jozo Co Ltd Extracellular secretion production by human superoxide dismutase and Gram-negative bacteria using OmpA signal peptide

Also Published As

Publication number Publication date
FI103902B1 (en) 1999-10-15
JP2815701B2 (en) 1998-10-27
SE465039B (en) 1991-07-15
DE69013159D1 (en) 1994-11-10
MY104532A (en) 1994-04-30
FI922288A0 (en) 1992-05-20
CA2069107A1 (en) 1991-05-24
CA2069107C (en) 2002-04-09
EP0502052B1 (en) 1994-10-05
NO921962D0 (en) 1992-05-19
CN1051953A (en) 1991-06-05
ZA909337B (en) 1991-09-25
FI922288L (en) 1992-05-20
EP0502052A1 (en) 1992-09-09
ES2062569T3 (en) 1994-12-16
JPH05502274A (en) 1993-04-22
ATE112595T1 (en) 1994-10-15
DE69013159T2 (en) 1995-03-09
NO921962L (en) 1992-05-20
RU2067637C1 (en) 1996-10-10
FI103902B (en) 1999-10-15
NO176109B (en) 1994-10-24
AR243947A1 (en) 1993-09-30
NO176109C (en) 1995-02-01
WO1991008337A1 (en) 1991-06-13
SE8903953D0 (en) 1989-11-23
CN1030003C (en) 1995-10-11
SE8903953L (en) 1991-05-24
AU662882B2 (en) 1995-09-21
MX173408B (en) 1994-03-01
AU6883691A (en) 1991-06-26

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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