Research Papers by Anestis Filippidis

The natural zeolite from Evros prefecture contains Ca-rich clinoptilolite (89 wt.%) and in total 92 wt.% microporous minerals (zeolite + mica + clays). Quartz and feldspars constitute the non-microporous minerals (8 wt.%). Acidic water (pH 5.5) from the Kokkinolakkas Stream and basic water (pH 9.5)