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kappa factor [1 record]
Record 1 - internal organization data 1998-11-16
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- Pulp Preparation (papermaking)
Record 1, Main entry term, English
- kappa factor
1, record 1, English, kappa%20factor
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- active chlorine multiple 2, record 1, English, active%20chlorine%20multiple
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A ratio of the amount of (equivalent) chlorine applied in the initial chlorination stage to the amount of lignin in the pulp entering the initial chlorination stage. 2, record 1, English, - kappa%20factor
Record number: 1, Textual support number: 1 CONT
The Kappa Factor is also known as the Active Chlorine Multiple (ACM). It is the sum of all chlorine compound additions to the first chlorination stage (converted to active chlorine equivalent, i.e. ClO2 wt% charge x 2.63) divided by the Kappa number of the pump entering the first chlorination stage. The amount of AOX formation is directly related to the Kappa factor; for any given pulp the relationship is linear in a Cl2-free sequence. An important relationship exists between the Kappa factor (and ClO2 substitution) and the tendency to form 2,3,7,8-TCDD. There is a need to operate in the vicinity of a Kappa factor of 0.17, even at high ClO2 substitution, to ensure that polychlorinated dioxins and furans are not formed. 2, record 1, English, - kappa%20factor
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Préparation de la pâte à papier
Record 1, Main entry term, French
- facteur Kappa
1, record 1, French, facteur%20Kappa
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- multiple de chlore actif 1, record 1, French, multiple%20de%20chlore%20actif
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Rapport de la quantité de chlore (ou l'équivalent) appliquée au premier stade de chloration sur la quantité de lignine présente dans la pâte. C'est la somme de tous les composés chlorés ajoutés lors de la chloration (convertit en équivalent chlore actif), c'est-à-dire concentration du ClO2 (% massique)X 2.63) divisée par l'Indice Kappa de la pâte initiale. 1, record 1, French, - facteur%20Kappa
Record number: 1, Textual support number: 1 CONT
Une relation directe existe entre la quantité de COA et le Facteur Kappa. Dans une séquence sans chlore élémentaire, la relation est linéaire pour toutes les pâtes. Une autre relation existe entre le Facteur Kappa (et le degré de substitution en ClO2) et la tendance à former le 2,3,7,8-TCDD. Il est donc nécessaire d'opérer dans le voisinage d'un Facteur Kappa de 0.17 afin de s'assurer que des dioxines et furanes polychlorés ne puissent se former. 1, record 1, French, - facteur%20Kappa
Record 1, Spanish
Record 1, Textual support, Spanish
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