To me it looks like an ...

To me it looks like an Interesting subject and valid research. See for instance https://doi.org/10.1515/psr-2017-0023 . Though, you also have to numerically model simultaneous 'precipitation'/'dissolution' reactions that are dependent on the reactive flow and vice versa. See for instance https://doi.org/10.1016/j.ijheatmasstransfer.2015.02.035.