ES527326A0 - METHOD AND APPARATUS TO DETERMINE THE DEGREE OF COOKING IN A SULPHITE DIGESTOR FOR DE-LIGNIFICATION REACTIONS - Google Patents

METHOD AND APPARATUS TO DETERMINE THE DEGREE OF COOKING IN A SULPHITE DIGESTOR FOR DE-LIGNIFICATION REACTIONS

Info

Publication number
ES527326A0
ES527326A0 ES527326A ES527326A ES527326A0 ES 527326 A0 ES527326 A0 ES 527326A0 ES 527326 A ES527326 A ES 527326A ES 527326 A ES527326 A ES 527326A ES 527326 A0 ES527326 A0 ES 527326A0
Authority
ES
Spain
Prior art keywords
digestor
lignification
sulphite
cooking
reactions
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.)
Granted
Application number
ES527326A
Other languages
Spanish (es)
Other versions
ES8505479A1 (en
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of ES8505479A1 publication Critical patent/ES8505479A1/en
Publication of ES527326A0 publication Critical patent/ES527326A0/en
Granted 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/228—Automation of the pulping 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
ES527326A 1982-11-24 1983-11-16 METHOD AND APPARATUS TO DETERMINE THE DEGREE OF COOKING IN A SULPHITE DIGESTOR FOR DE-LIGNIFICATION REACTIONS Granted ES527326A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44427282A 1982-11-24 1982-11-24

Publications (2)

Publication Number Publication Date
ES8505479A1 ES8505479A1 (en) 1985-05-16
ES527326A0 true ES527326A0 (en) 1985-05-16

Family

ID=23764204

Family Applications (1)

Application Number Title Priority Date Filing Date
ES527326A Granted ES527326A0 (en) 1982-11-24 1983-11-16 METHOD AND APPARATUS TO DETERMINE THE DEGREE OF COOKING IN A SULPHITE DIGESTOR FOR DE-LIGNIFICATION REACTIONS

Country Status (11)

Country Link
EP (1) EP0110683B1 (en)
JP (1) JPS59137584A (en)
KR (1) KR880000744B1 (en)
AU (1) AU2149983A (en)
BR (1) BR8306460A (en)
CA (1) CA1198858A (en)
DE (1) DE3370840D1 (en)
ES (1) ES527326A0 (en)
HK (1) HK95287A (en)
IN (1) IN159330B (en)
SG (1) SG60987G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4990219A (en) * 1989-06-13 1991-02-05 Elsag International B.V. Apparatus for controlling the degree of cooking in a digester
US4978425A (en) * 1989-06-13 1990-12-18 Elsag International B.V. Method for controlling the degree of cooking in a digester
DE59005944D1 (en) * 1990-03-05 1994-07-07 Siemens Ag Process for the production of pulp in a continuous cooker.
CN1064096C (en) * 1994-04-28 2001-04-04 东芝株式会社 System for controlling temperature in steaming and boiling pot
CA2234221A1 (en) * 1995-10-09 1997-04-17 Siemens Aktiengesellschaft Process for determining the final point of pulp cooking and an arrangement for controlling the pulp cooking time in a reactor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941649A (en) * 1972-07-14 1976-03-02 Mo Och Domsjo Aktiebolag Process for obtaining a predetermined Kappa number in sulfate pulping

Also Published As

Publication number Publication date
DE3370840D1 (en) 1987-05-14
EP0110683B1 (en) 1987-04-08
CA1198858A (en) 1986-01-07
KR840006688A (en) 1984-12-01
SG60987G (en) 1987-10-23
BR8306460A (en) 1984-06-26
ES8505479A1 (en) 1985-05-16
EP0110683A1 (en) 1984-06-13
HK95287A (en) 1987-12-24
JPS59137584A (en) 1984-08-07
KR880000744B1 (en) 1988-05-04
IN159330B (en) 1987-05-02
AU2149983A (en) 1984-05-31

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203