作者	J.D.Seader
出版社
出版时间	2002-08-01

特色：

This textbook is intended for use in undergraduate chemical engineering curriculums . The material is suitable for courses in equilibrium-stage processes , stagewise separation processes , mass transfer operations , separations processes , and rate-controlled separations . Those schools that teach a two-semester sequence in equilibrium stages and mass transfer may find that this textbook satisfies all the needs of that sequence . Some schools may find some of the material suitable for graduate courses in separations . In 1963,E. J . Henley and H . K . Staffin authored a book , entitled Stagewise Process Design , that introduced chemical engineering students to nondiffusional aspects of material and energy balances under phase equilibria constraints , using mainly graphical methods . Most of that book was incorporated , in 1981,into a greatly expanded textbook , Equilibrium-Stage Separation Operations in Chemical Engineering , by E . J . Henley and J . D . Seader . The objective of this expanded book was to enhance the 1963 book by adding material on the mathematics and science associated with staged calculations as implemented in commercial , steady-state process simulation computer programs , which were becoming widely available and relied on numeric , rather than graphical , methods of solution . Today , the use of simulation programs is taught to undergraduate students in virtually every chemical engineering department . These programs are easy to use , to avoid conver-gence problems of chemical engineering . Hopefully , the 1981 textbook provided that understanding . Since publication of our 1981 textbook , interest in the design and simulation of separation operations using mass transfer (rate-based) principles has increased considerably . This resulted from the availability of improved packings for packed columns used in absorption , distillation , and stripping , and also from the development of theory and applications for the less mature separation operations of adsorption , crystallization , and membrane separations . At the same time , batch distillation , for which rigorous , computer-based calculation methods have been developed , has found wider application . Also , greatly improved procedures for the development of separation processes using enhanced distilla-tion (azeotropic, extractive, pressure-swing , and reactive) have been published , and new applications of supercritical-fluid little extraction and chromatography have been commercial-ized . Our 1981 textbook contained little material on these topics;; however , this new test-book contains substantial material on these important topics , as well as those covered in the 1981 textbook . Both equilibrium-based and rate-based methods are covered extensively . This textbook is organized and divided into four parts . part one , which covered extensively . chapters , presents introductory concepts . Chapter 1 describes the many ways in which chemical mixtures are separated industrially . Chapter 2 reviews solution thermodynamics, for both equilibrium-based and rate-based approaches to separation operations . This chap-ter can be omitted and used only for reference if students have completed or are taking concurrently a course in chemical engineering thermodynamics . Chapter 3 covers the basic principles of diffusion and mass transfer required for the rate-based approach to separation operations . The use of phase equilibrium and material-balance equations to solve a wide range of single equilibrium-stage separations is covered in Chapter 4 , while Chapter 5 introduces the student to cascades of equilibrium stages . The remaining three parts of the textbook are organized according to the method of separation . In Part two , separations achieved by phase creation or addition are presented . Chapters 6 through 8 cover absorption and stripping of dilute solutions , binary distillation , and ternary liquid-liquid extraction , Chapters 9 through 11 d