Process for purifying dinitrogen monoxide

摘要

The present invention relates to a process for purifying a gas mixture comprising dinitrogen monoxide, at least comprising the at least partial condensation of a gas mixture G-I comprising dinitrogen monoxide to obtain a liquid composition C-1 comprising dinitrogen monoxide, and the contacting of the composition C-1 with a gas mixture M-1 to obtain a composition C-2 and a gas mixture M-2.