NEL's Software Products Centre - ppds.co.uk

Case Studies

This section contains Case Studies based on actual enquiries that have been received by the Software Product Centre staff.

Like any other FAQ section this will grow with time.

I need to calculate the properties of chemical in my process. It is present as an intermediate in my process but it is not in the standard database supplied.

I have a component which is currently available in the PPDS system, but the correlated data stored there does not match a set of data that I want to use for it.

I have a mixture for which I need to carry out some separation calculations, but there is a binary interaction parameter missing in the supplied BIP databank between two important constituents. I have some experimental PTxy data for the relevant pair.

I have been asked to use specific binary interaction parameters for some of the pairs of components in my mixture, but they are not the same as the parameters that are stored already in the PPDS system. I don’t have access to any experimental data for these.

How can I calculate the saturation concentration of a pollutant in air?

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