Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Reexamination Certificate
2005-04-19
2005-04-19
Alvo, Steve (Department: 1731)
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Waste paper or textile waste
C162S055000, C162S057000, C209S170000, C210S221100, C210S221200
Reexamination Certificate
active
06881297
ABSTRACT:
A device and process for aerating dispersions, particularly for flotation of pulp suspensions, in a de-inking process where the pulp suspension containing dirt particles is sprayed into a tank together with air. The air is injected at a minimum of two successive points and mixed with the suspension.
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Gabl Helmuth
Scherzinger Bernhard
Alix Yale & Ristas, LLP
Alvo Steve
Andritz AG
Parker Kara M.
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