I am modeling liquifaction and regasification of air using Aspen-plus. I am having heat exchanger crossover problems. How do I solve it?

I am using propane to cool down 17,7 MPa air to 98K (liquefaction) and heat it back to 209K at 6,5 MPa. The HXs gives the fallowing error and T-Q diagram. How do I solve this problem? WARNING...

20 November 2019 192 0 View