B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 50/00 (2006.01) B01D 47/02 (2006.01) B04C 5/12 (2006.01) B04C 9/00 (2006.01) D21C 9/153 (2006.01) D21C 11/06 (2006.01) D21D 5/26 (2006.01)
Patent
CA 2117368
The present invention relates to a process and a device for the separation and purification of gas from a fibre suspension, especially residual gas after ozone delignification or pulp suspension, wherein the suspension together with the gas is introduced into a cyclone (2) or similar in which essential separation of suspension takes place, after which the essentially gas-free suspension is drawn off downwards and the gas (5) containing residual fibre and/or other impurities is drawn off upwards, the gas stream (5), before it is conducted away, being led through a liquid bath for separation of residual fibres and/or other impurities from the gas stream.
Procédé et dispositif de séparation et d'épuration d'un gaz, notamment le gaz restant après la délignification par ozone ou la suspension de pâte, à partir d'une suspension fibreuse. On introduit la suspension et le gaz dans un cyclone (2) dans lequel se produit la séparation essentielle de la suspension, puis on évacue vers le bas la suspension essentiellement exempte de gaz, et on évacue vers le haut le gaz (5) contenant des fibres résiduelles et/ou d'autres impuretés. Avant son évacuation, le gaz en écoulement (5) traverse un bain de liquide destiné à en séparer les fibres résiduelles et/ou les autres impuretés.
Ekholm Rolf
Jansson Ulf
Gl&v Management Hungary Kft
Gowling Lafleur Henderson Llp
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