When using Aspen to simulate the alkali scrubber, warnings appear – how to adjust this?
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INFO: In this case, where Henry components are defined, the binary database will be searched automatically for any available Henry constants. The parameter values specific to certain components are retrieved from the SDF table. These parameters are used with the ELECNRTL option set, unless you enter your own parameters in the PROP-DATA sections. The parameters retrieved for the HCL component are: CPDIEC; those retrieved for the H2O component are: VLBROC. * WARNING: In the physical property system parameter table (Dataset 1) for the NAOH component, an unreasonable vapor pressure value is calculated at the normal boiling point. This value should be within 10% of 1D5 N/SQM. Please check the values you entered for the Antoine parameters.
The steam pressure is unreasonable. Is there an issue with the specification of the physical property method?