Acid-impregnated activated carbon and methods of forming and...

Details Acid-impregnated activated carbon and methods of forming and... Acid-impregnated activated carbon and methods of forming and...

B - Operations, Transporting

01

J

B01J 20/32 (2006.01) B01D 53/58 (2006.01) C01B 31/08 (2006.01) C05C 3/00 (2006.01) C05F 3/00 (2006.01) C05F 7/00 (2006.01) C05F 9/00 (2006.01) C05F 11/00 (2006.01)

Patent

CA 2666727

An acid-impregnated activated carbon matrix is formed from a carbonaceous material by the addition of a mineral acid, and may be used to chemisorb ammonia from a gas stream. The ammonia reacts with the acid to form a fertilizer salt. The spent matrix may be used as a fertilizer, or the fertilizer salt may be elutriated from the matrix.

L'invention concerne une matrice de charbon actif imprégnée d'acide, ladite matrice étant formée à partir d'un matériau carboné par ajout d'un acide minéral et pouvant être utilisée pour chimisorber de l'ammoniac dans un courant gazeux. L'ammoniac réagit avec l'acide pour former un sel d'engrais. La matrice usagée peut être utilisée comme engrais, ou le sel d'engrais peut être élutrié de la matrice.

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