Learn about separate collection toilet systems in this lecture from Professor Yoshihisa Shimizu of Kyoto University's Department of Global Engineering, delivered at the NS Hall of Research Building 8 on July 28, 2018. As part of the Faculty of Engineering's 2018 Open Lecture Series on Environmental Engineering Challenges, explore how innovative toilet designs protect life through improved water and sanitation systems. This chapter focuses specifically on the technology and benefits of separating toilet waste collection systems. Additional chapters from this environmental engineering lecture series are available through Kyoto University's OpenCourseWare platform.