# Mathematical Methods in Chemical and Biological Engineering

**A course on mathematical methods and their applications is now an essential component of a chemical engineering program. The name and the contents may vary, but the focus is on mathematical formulation of a broad spectrum of physico-chemical problems in chemical and allied engineering disciplines and on the solution methodologies of the model equations.**

importance of reaping the benefits of mathematical techniques and tools has been felt since the middle of the last century in tune with a shift of paradigm in process analysis, design and optimization from an empirical to a scientific and model-based approach. The relevant history of advancement in the application of mathematical methods over the decades in respect to chemical engineering was traced in an article by Doraiswami Ramkrishna in 2004 and in another by James Bailey in 1998 in respect to biochemical engineering.

importance of reaping the benefits of mathematical techniques and tools has been felt since the middle of the last century in tune with a shift of paradigm in process analysis, design and optimization from an empirical to a scientific and model-based approach. The relevant history of advancement in the application of mathematical methods over the decades in respect to chemical engineering was traced in an article by Doraiswami Ramkrishna in 2004 and in another by James Bailey in 1998 in respect to biochemical engineering.

**There are literally dozens of texts on basic mathematical methods in engineering, and many of them are excellent. There are a few devoted to chemical engineering also. However, a balance**

**between basic mathematical principles and applications to physico-chemical problems is not always discernible, and this often becomes a deterrent and sometimes repulsive to young readers. With this reality in mind, an attempt has been made to pick up practical examples on physical systems and modelling to illustrate every mathematical method and principle discussed in the book so that students are convinced that mathematical methods are indeed effective tools to analyze engineering problems and not merely a pack of intellectual exercises. From personal experience, I have seen**

**that this kind of course is often administered putting a great deal of emphasis on basic and rigorous mathematics and much less on lively, provocative and real-life examples with the net result of stu**

**dents not developing a taste or love for the course. Often, students are sceptic about real-life applications of the mathematical methods they learn.**

**A friendly book on the subject may help them to overcome this apathy, to appreciate the beauty of analytical tools and to sharpen their mathematical skill through examples and exercise problems. Equally important is to have a good physical understanding of the background of the problems, the architecture of modelling and specifying the initial and boundary conditions for the problems. A list of these problems is provided at the beginning of the book so that the readers may have an idea of the scope and diversity at a glance. Most of the problems have their origin in relatively recent scientific and technical literature.**

**The mathemati**

**cal techniques for the solution of many of them are interesting and stimulating. References have been cited wherever necessary to prompt the students to consult the source research papers. The**

**book will also be useful to engineering professionals and researchers as a refresher text and as a demonstrative tutorial on analytical mathematical techniques. Going by the nature of examples and problems, the book can also supplement a course in transport phenomena. Numerical and computational methods are very powerful tools and have been an integral part of courses on mathematical methods. However, numerical methods have been kept out of the scope of the book to keep its size moderate and to maintain the focus.**

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