Surfactant free-hydration treated sample was prepared by using the same method without surfactant solvent. The sample was further thermally treated at 400 C and denoted as CS-Ca(OH)2-H2O-400 (control study).
Surfactant free-hydration treated sample was prepared by using the samemethod without surfactant solvent. The sample was further thermallytreated at 400 C and denoted as CS-Ca(OH)2-H2O-400 (controlstudy).