In an era of rapid innovation and with a focus on sustainability, _Chemical Engineering Essentials_ provides a definitive guide to mastering the discipline. Divided into two volumes, this series offers a seamless blend of foundational knowledge and advanced applications to address the evolving needs of academia and industry. Volume 1 lays a strong foundation with topics such as material and energy balances, thermodynamics, phase equilibrium, fluid mechanics, transport phenomena, and essential separation processes such as distillation and membrane technologies. This volume builds on these principles, delving into reaction engineering, reactor modeling with MATLAB and ASPEN PLUS, material properties, process intensification and nanotechnology. It also addresses critical global challenges, emphasizing green chemistry, waste minimization, resource recovery, and workplace safety. Together, these volumes provide a holistic understanding of chemical engineering, equipping readers with the tools to innovate and lead in a dynamic and sustainable future.