The present investigation is an attempt to join the forces with the international research endeavor in tackling this important issue. The thrust has been not only the awareness of the obvious environmental, health and economical necessities of the subject, but also the lack of in-depth knowledge about the influence of two basic treatments, namely the heat and water treatments, on the chemical composition and morphology of CKD particles. It is worth noting, in this regard, that influence of water treatment of CKD was previously examined but was focused on the hydration of the lime content into Ca(OH) 2 in order to improve the viability of using