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There are currently five different types of reaction that may be simulated in HYSYS and a number of reactor types that they may be used with (and one special reactor that does not require any equations). Reactions may also be used in Columns and Separators (though there are some limitations on the phases that may be used by the reactions in those cases).

There are currently five different types of reaction that may be simulated in HYSYS and a number of reactor types that they may be used with (and one special reactor that does not require any equations). Reactions may also be used in Columns and Separators (though there are some limitations on the phases that may be used by the reactions in those cases). The five reaction types are as follows:

Conversion

This reaction type does not require any thermodynamic knowledge. You must input the stoichiometry and the conversion of the basis reactant. The specified conversion cannot exceed 100%. The reaction will proceed until either the specified conversion has been reached or a limiting reagent has been exhausted.

Conversion reactions may not be grouped with any other form of reaction in a reaction set.

However, they may be grouped with other conversion reactions and ranked to operate either sequentially or simultaneously. Lowest ranking occurs first (may start with either 0 or 1). Just as with single reactions, simultaneous reactions cannot total over 100% conversion of the same basis.

Conversion reactions cannot be used with Plug Flow Reactors or CSTRs. In general, they should only be used in

Conversion Reactors.

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