DE3370840D1 - Determining the degree of cooking in a sulphite digester delignification - Google Patents

Determining the degree of cooking in a sulphite digester delignification

Info

Publication number
DE3370840D1
DE3370840D1 DE8383307188T DE3370840T DE3370840D1 DE 3370840 D1 DE3370840 D1 DE 3370840D1 DE 8383307188 T DE8383307188 T DE 8383307188T DE 3370840 T DE3370840 T DE 3370840T DE 3370840 D1 DE3370840 D1 DE 3370840D1
Authority
DE
Germany
Prior art keywords
delignification
cooking
determining
degree
digester
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.)
Expired
Application number
DE8383307188T
Other languages
German (de)
Inventor
Ralph K Johnson
Marion A Keyes Iv
Azmi Kaya
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
Application granted granted Critical
Publication of DE3370840D1 publication Critical patent/DE3370840D1/en
Expired 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
DE8383307188T 1982-11-24 1983-11-24 Determining the degree of cooking in a sulphite digester delignification Expired DE3370840D1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3370840D1 true DE3370840D1 (en) 1987-05-14

Family

ID=23764204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383307188T Expired DE3370840D1 (en) 1982-11-24 1983-11-24 Determining the degree of cooking in a sulphite digester delignification

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
US4978425A (en) * 1989-06-13 1990-12-18 Elsag International B.V. Method for controlling the degree of cooking in a digester
US4990219A (en) * 1989-06-13 1991-02-05 Elsag International B.V. Apparatus 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
DE59604434D1 (en) * 1995-10-09 2000-03-16 Siemens Ag METHOD FOR DETERMINING THE END POINT OF CELLULAR COOKING AND ARRANGEMENT FOR CONTROLLING COOKING TIME IN CELLULAR COOKING 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
CA1198858A (en) 1986-01-07
AU2149983A (en) 1984-05-31
JPS59137584A (en) 1984-08-07
HK95287A (en) 1987-12-24
IN159330B (en) 1987-05-02
ES8505479A1 (en) 1985-05-16
SG60987G (en) 1987-10-23
EP0110683B1 (en) 1987-04-08
KR880000744B1 (en) 1988-05-04
EP0110683A1 (en) 1984-06-13
BR8306460A (en) 1984-06-26
KR840006688A (en) 1984-12-01
ES527326A0 (en) 1985-05-16

Similar Documents

Publication Publication Date Title
GB8721528D0 (en) Pulping lignocellulose-containing material
DE3264488D1 (en) Drying wood pulp
GB8415328D0 (en) Producing wood pulp
AR243948A1 (en) Polyethylene pulp
ZA836420B (en) Kraft pulping process
GB2091576B (en) Paper pulp screen
GB8401794D0 (en) Bleaching wood pulp
GB8320127D0 (en) Disintegrating fibrous sheet material
DE3370840D1 (en) Determining the degree of cooking in a sulphite digester delignification
AU560978B2 (en) Bleaching cellulose pulp
EP0418201A3 (en) Bleaching wood pulp with enzymes
JPS5716989A (en) Alkaline sulfite pulping method
JPS57121691A (en) Delignifying and/or bleaching of cellulose pulp
AU2540084A (en) Continuous pulp digester
DE3569006D1 (en) A means in the vat section of a vat machine
PT80866A (en) Improved delignification of pulp
GB8507304D0 (en) Pulping process
JPS5729690A (en) Pulping of lignocellulose material
YU69881A (en) Pulp overflow of a paper-making machine
GB8319340D0 (en) Modification of bagasse pulp
GB8424540D0 (en) Producing wood pulp
ZA835203B (en) Pulp screening
JPS57210094A (en) Pulp washer
JPS57112486A (en) Alkali pulp digesting method
JPS57121690A (en) Delignifying and/or bleaching of cellulose pulp

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee