Method and apparatus for treating pulp with filler

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Gas – vapor or mist contact

Reexamination Certificate

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Details

C162S009000, C162S058000, C162S181400, C162S185000

Reexamination Certificate

active

07070677

ABSTRACT:
The present invention relates to a method of and apparatus for treating pulp with filler. The method and apparatus according to the invention are especially well suitable for treating pulp with filler, the mixing of which to the pulp requires simultaneous treatment of the pulp with gas. The treatment of cellulose pulp suspension of the paper making industry and calcium hydroxide with carbon dioxide is presented as one preferred embodiment of the invention.

REFERENCES:
patent: 3678598 (1972-07-01), Quiles
patent: 3780447 (1973-12-01), Fales
patent: 3966542 (1976-06-01), Oldshue
patent: 4298426 (1981-11-01), Torregrossa et al.
patent: 4560527 (1985-12-01), Harke et al.
patent: H980 (1991-11-01), Harrison
patent: 5087326 (1992-02-01), Jones
patent: 5482458 (1996-01-01), Kyffin
patent: 5665205 (1997-09-01), Srivatsa et al.
patent: 5679220 (1997-10-01), Matthew et al.
patent: 6355138 (2002-03-01), Doelle
patent: 6387212 (2002-05-01), Christian
patent: 6458241 (2002-10-01), Doelle et al.
patent: 6471825 (2002-10-01), Doelle et al.
patent: 6673211 (2004-01-01), Doelle
patent: 6706148 (2004-03-01), Joisson et al.
patent: 0 791 685 (1997-08-01), None
Perry's Chemical Engineers' Handbook (7th Edition), pp. 12-25 to 12-26, 12-52 to 12-54, 12-64 to 12-65 (1997).

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