Removal of trialkyl arsines from fluids

Details Removal of trialkyl arsines from fluids Removal of trialkyl arsines from fluids

B - Operations, Transporting

01

D

183/33

B01D 53/04 (2006.01) B01D 53/02 (2006.01) B01J 20/06 (2006.01) C07F 9/12 (2006.01) C10L 3/08 (2006.01)

Patent

CA 2023004

Trialkyl arsines are removed from fluids, in particular gases, by contacting with a solid sorbent material containing at least one manganese oxide (preferably MnO2) and at least one Group IB metal oxide (preferably CuO). In a preferred feature, the used solid sorbent material is regenerated by oxidizing treatment, washing with an aqueous liquid, and drying.

Des trialkylarsines sont éliminées dans des fluides, notamment dans des gaz, en les mettant en contact avec une matière adsorbante solide, contenant au moins un oxyde de manganèse (préférablement MnO2) et au moins un oxyde de métal du Groupe IB (préférablement CuO). Dans une version privilégiée, la matière adsorbante solide est régénérée par un traitement oxydant, lavage avec un liquide aqueux et séchage.

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