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BLANCHIMENT OXYGENE HAUTE CONCENTRATION [1 record]
Record 1 - internal organization data 1993-07-15
Record 1, English
Record 1, Subject field(s)
- Pulp Preparation (papermaking)
Record 1, Main entry term, English
- high-consistency oxygen delignification
1, record 1, English, high%2Dconsistency%20oxygen%20delignification
proposal
Record 1, Abbreviations, English
Record 1, Synonyms, English
- high-consistency oxygen bleaching 1, record 1, English, high%2Dconsistency%20oxygen%20bleaching
proposal
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
High-Consistency System. Figure 11-18 shows a representative system where pulp is handled in the 25% to 28% consistency range. Typically, a press is used to raise the feed consistency to about 30%. Fresh caustic or oxidized white liquor along with the magnesium protector is added to the pulp at the discharge of the press. A thick stock pump then transfers the pulp to a fluffer via a feed pipe in which a gas-tight plug is formed. The fluffed pulp flows down the pressurized reactor as a loose bed, while gaseous oxygen is continuously dissolved into the liquid phase and reacted with the pulp .... Oxygen gas is added to either top or bottom to maintain a partial pressure within the 90 to 130 psi range. Relief is taken from the head space at the top of the tower to remove combustibles and other noncondensible gases, and control overall reactor pressure. At the bottom of the tower, the reacted pulp is diluted with post-oxygen filtrate and pumped at about 6% consistency to a blow tank. 2, record 1, English, - high%2Dconsistency%20oxygen%20delignification
Record 1, French
Record 1, Domaine(s)
- Préparation de la pâte à papier
Record 1, Main entry term, French
- blanchiment à l'oxygène à haute concentration
1, record 1, French, blanchiment%20%C3%A0%20l%27oxyg%C3%A8ne%20%C3%A0%20haute%20concentration
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
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