Successive Irreversible Reactions of Different Orders

In principle, concentration-time curves can be constructed for successive reactions of different orders. For the plug flow or batch reactor and for the mixed reactor explicit solutions are difficult to obtain thus, numerical methods provide the best tool for treating such reactions. 

For these reactions the concentration-time curves are of little generality for they are dependent on the concentration of reactant in the feed. As with reactions in parallel, a rise in reactant concentration favors the higher-order reaction a lower concentration favors the lower-order reaction. This causes a shift in and this property can be used to improve the product distribution. 

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