Dominic C.Y. Foo is a professor of process design and integration at the Universityof Nottingham Malaysia and founding director of the Centre for Green Technologies.A fellow of the Institution of Chemical Engineers (IChemE), Institution of EngineersMalaysia (IEM), and Academy of Sciences Malaysia, he is a leading scholar in resourceconservation and CO2 reduction. He has also been on the Stanford University List ofWorld Top 2% Scientists since the year 2020. Thokozani Majozi is a full professor in the School of Chemical and Metallurgical Engineering, Wits University, where he also holds an NRF/DST Chair in Sustainable Process Engineering. He is also the Executive Dean of the Faculty of Engineering and the Built Environment. Prior to joining Wits in 2013, he was a professor at the University of Pretoria, where he spent nearly 10 years, and an associate professor in computer science at the University of Pannonia in Hungary from 2005 to 2009. A chemical engineer by profession, Majozi completed his PhD in Process Integration at the University of Manchester Institute of Science and Technology (UMIST) in the United Kingdom (UK). He is a member of various international scientific committees and a Fellow for the Institute of Chemical Engineering (UK), Academy of Sciences of South Africa (ASSAf), Academy of Engineering of SA, Water Institute of Southern Africa and African Academy of Sciences (AAS). He spent the early years of his career in the industrial sector, working for Unilever, Dow AgroSciences and Sasol Technology. Majozi is author and co-author of more than 200 scientific publications, including a book entitled Batch Chemical Process Integration published by Springer in January 2010, a book entitled Synthesis, Design and Resources Optimization, published by CRC Press/Taylor and Francis in 2015 and a book entitled Understanding Batch Chemical Processes, also published by CRC Press/Taylor and Francis in 2017. Xiao Feng is a Professor of Chemical Engineering at Xi’an Jiaotong University. She is the Vice-Chair of Thermodynamics and Engineering Application Committee, China Energy Research Society, Standing Director of Chinese industrial Ecology Economics and Technology Society, and Standing Director of Water Treatment and Reuse Committee, Chinese Society of Environment Science. She is working in process integration. Professor Feng is an active author, with three books, more than 150 international journal papers. Professor Feng is editorial board members for Process Integration and Optimization for Sustainability, Processes, Energy Conversion and Storage, and several Chinese journals. Chun Deng is a Professor of Chemical Engineering at China University of Petroleum, Beijing. He is the Member of the committee of Process System Engineering of China System Engineering Society. He is working in process integration and gas separation. Prof. Deng has published more than 30 international journal papers. Prof. Deng is editorial board members for Process Integration and Optimization for Sustainability, Petroleum Science, and several Chinese journals.