TERMIUM Plus®

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BLACK COOK [1 record]

Record 1 1993-02-25

English

Subject field(s)
  • Pulp Preparation (papermaking)
DEF

Darkened pulp resulting from cooking wood in a digester under chemically unbalanced conditions, with a too fast temperature rise and other improper procedures that will cause discoloration.

Key term(s)
  • discolored pulp
  • discoloured pulp

French

Domaine(s)
  • Préparation de la pâte à papier
CONT

[...] [en] 1857 [...] un chimiste de Philadelphie, Benjamin Tilghman, découvrait qu'il était possible d'amollir et de défibrer le bois à l'aide d'acide sulfureux. Toutefois, Tilghman notait aussi que l'utilisation du seul acide sulfureux donnait une pâte «brûlée» ou décolorée.

Key term(s)
  • pâte décolorée

Spanish

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