Journal of Bioprocess, Chemical and Environmental Engineering Science is a scientific journal published by the Department of Chemical Engineering, Faculty of Engineering, Universitas Riau. The journal is available online (e-ISSN: 2721-1894) and is published twice a year, in March and November. It focuses on the dissemination of research findings and scientific studies in the fields of bioprocess engineering, chemical engineering, environmental engineering, and other topics related to these fields. The journal aims to serve as a platform for knowledge exchange and innovation in process and environmental engineering, as well as to foster academic collaboration among researchers, practitioners, and other stakeholders.