| 20130086940 | AIR SEPARATION PLANT AND PROCESS OPERATING BY CRYOGENIC DISTILLATION - An air separation plant is provided that includes a plurality of air compressors, a plurality of air purification units, and one or more cold boxes. In a first mode of operation, a first air compressor is configured to compress air to a higher pressure than a second air compressor. In a second mode of operation, the second air compressor is configured to compress air to a higher pressure than during the first mode of operation. | 04-11-2013 |
