| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an improved method of operating an air separation unit where climatic conditions can vary throughout the year. <P>SOLUTION: Air to be separated in a cryogenic air separation unit is compressed in one of at least two compressors MAC1, MAC2, purified, cooled and separated in the air separation unit 19 to produce a fluid product 21 and depending on a temperature of feed air 3, 5, a degree of the humidity of the feed air or temperatures of a cooling water streams W1, W1', W2, W2', one of the two compressors is used to provide compressed feed air for the air separation unit. <P>COPYRIGHT: (C)2013,JPO&INPIT |
