B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/02 (2006.01) B01D 53/64 (2006.01)
Patent
CA 2367818
A method of removing trace contaminants, such as mercury, from a flue gas by passing the gas over a sorbent structure on which is coated a renewable layer of sorbent. The sorbent structure can be a tube or plate and can be porous or non- porous and is placed inside a duct through which the flue gas flows. The sorbent particles comprise noble metal or activated carbon particles and can be injected into the gas stream before it passes over the sorbent structures. The sorbent structures can be periodically recoated with sorbent while the gas is still flowing.
La présente concerne une méthode d'élimination de traces de contaminants comme le mercure, à partir d'un gaz de combustion par passage du gaz sur une structure sorbante, laquelle est recouverte d'une couche renouvelable de sorbant. La structure sorbante peut être un tube ou une plaque et être poreuse ou non poreuse et être placée à l'intérieur d'un conduit à travers lequel circule le gaz de combustion. Les particules de sorbant comprennent les métaux nobles ou des particules de carbone activé et peuvent être injectées dans le flux de gaz avant qu'il ne passe par-dessus les structures absorbant. Les structures sorbantes peuvent être périodiquement recouvertes de sorbant pendant que le gaz circule.
Chang Ramsay
Sjostrom Sharon
Electric Power Research Institute Inc.
Osler Hoskin & Harcourt Llp
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