Rizka Ayu Yuniar, S.T ., M.T. is a Lecturer at Chemical Engineering study program. She completed her bachelor's degree in Department of Chemical Engineering, Institut Teknologi Kalimantan. She continued her post-graduate in Department of Chemical Engineering, Institut Teknologi Sepuluh Nopember. She joined in the Institut Teknologi Kalimantan from Juli 2021 until now. Her research interests include Utilization of silica materials, Nanomaterials and nanoparticles. She has expertise are Unit Operation in Chemical Engineering, and Supporting and humanities.