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Error occurred during the simulation run of Aspen for gasification; please have an expert take a look

2018-08-28View Original

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The following report was generated; I’m not sure what went wrong. The following Unit Operation blocks were completed with errors: STOI. The following messages were issued during Input Translation: * WARNING IN PHYSICAL PROPERTY SYSTEM PARAMETER PC/ELEMENT 1 (DATA SET 1): THE UPPER BOUND WAS VIOLATED FOR COMPONENT C; THE VALUE IS 0.22300E+09, WHILE THE UPPER BOUND IS 0.10000E+09. * WARNING IN PHYSICAL PROPERTY SYSTEM PARAMETER FREEZEPT/ELEMENT 1 (DATA SET 1): THE UPPER BOUND WAS VIOLATED FOR COMPONENT C; THE VALUE IS 4300.0, WHILE THE UPPER BOUND IS 4000.0. * WARNING IN THE ‘STREAM’ PARAGRAPH STARTING ON LINE 121: FOR THE STREAM NAME “COAL”, THE SUM OF THE VALUE OF THE ATTRIBUTUE SULFANAL IS NOT EQUAL TO THE VALUE OF THE ATTRIBUTUE ULTANAL FOR COMPONENT COAL IN THE SUBSTREAM NC OF STREAM COAL.
Reply #22018-08-29
This post was last edited by zhxbkofkyo on 2018-8-29 09:06. These are all warnings; the first two indicate that the critical pressure and freezing point of C in Element 1 exceed the limits – probably you entered those values yourself? The third warning is that the sulfur values calculated from sulfur analysis and elemental analysis do not match

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