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“Chemical engineering is the field of applied science that employs physical, chemical, and biological rate processes for the betterment of humanity.” This opening sentence of Chapter 1 has been the underlying paradigm of chemical engineering. Chemical Engineering: A New Introduction is designed to enable the student to explore the activities in which a modern chemical engineer is involved by focusing on mass and energy balances in liquid-phase processes. Problems explored include the design of a feedback level controller, membrane separation, hemodialysis, optimal design of a process with chemical reaction and separation, washout in a bioreactor, kinetic and mass transfer limits in a two-phase reactor, and the use of the membrane reactor to overcome equilibrium limits on conversion. Mathematics is employed as a language at the most elementary level. Professor Morton M. Denn incorporates design meaningfully; the design and analysis problems are realistic in format and scope. Students using this text will appreciate why they need the courses that follow in the core curriculum. Table of Contents Preface 1. Introduction 2. Basic concepts of analysis 3. The balance equation 4. Component mass balances 5. Membrane separation 6. Reacting systems 7. Designing reactors 8. Bioreactors and nonlinear systems 9. Overcoming equilibrium 10. Two-phase systems and interfacial mass transfer 11. Equilibrium staged processes 12. Energy balances 13. Heat exchange 14. Energy balances for multi-component systems 15. Energy balances for reacting systems.