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Aspen Plus Cstr Reactor

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#1 Rachael


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Posted 20 November 2016 - 10:10 PM

In my simulation I have a CSTR block which includes 8 reactions. But for 2 of them the software says that its unbalanced ( REACTION NUMBER "8" DOES NOT SATISFY MASS BALANCE.      THE ABSOLUTE ERROR IS   47.998      CHECK STOICHIOMETRY/MOLECULAR WEIGHTS) 

I have checked the stoichiometry and its right, so I have no idea why the software displays this error. Any suggestion? 

#2 sgkim


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Posted 21 November 2016 - 05:22 AM   Best Answer

First check each "sign" of stoichiometric number for each reactant for reacton "8". While the products shall be numbered in positive figures, the reactants in negative stoichiometric figures.



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