| abstract |
Air distillation process with production of argon by means of an air distillation installation (1) comprising an air distillation apparatus (2), in particular with double column, and at least one column (3) for producing impure argon, the installation being dimensioned to supply argon with a nominal output pn of argon extraction at the outlet of the column (3) for producing impure argon. For reduced argon production requirements corresponding to a necessary yield ρ of argon extraction at the outlet of the impure argon production column, with ρ ≤ ρo ≤ ρn where ρo is a predetermined optimal yield, the Argon extraction yield at the outlet of the impure argon production column substantially at the value ρo. |