The book "Thermodynamics and mass exchange in the processes of fine separation in countercurrent columns" edited by C. A. Cherednichenko is a unique and relevant study that immerses the reader in the complex and fascinating world of thermodynamics and mass exchange. This publication, created by a team of authors, is not just a textbook, but a real guide to modern technologies of separation of substances that are widely used in the chemical, petrochemical and food industries. From the first pages of the book, the reader is immersed in a world where physics and chemistry are intertwined, creating a basis for understanding the processes that are behind the separation of mixtures. An authorial team consisting of experienced scientists and practitioners shares their knowledge and experience, explaining complex concepts in a simple and accessible language. The book covers a wide range of topics, ranging from the basics of thermodynamics to a detailed analysis of the processes of mass exchange in countercurrent columns. This book will be especially useful for undergraduate and graduate students in technical and chemical specialties, as well as for professionals working in the field of chemical technology and engineering. It is suitable for those who are interested in separation processes and want to deepen their knowledge in this area. Readers interested in chemistry, physics and engineering will find in it a lot of useful information and practical examples that will help in their studies and professional activities. One of the key themes of the book is thermodynamics, which is viewed through the prism of separation processes. The authors explain in detail how thermodynamic laws affect the efficiency of mass transfer and what factors need to be taken into account when designing columns. This knowledge is fundamental to understanding how to optimize processes and improve their efficiency. The book also touches on important aspects related to the choice of materials and column designs, making it an indispensable reference for engineers and designers. The authors share their recommendations on the choice of equipment, taking into account current trends and achievements in the field of separation technologies. This makes the book relevant not only for educational institutions, but also for enterprises seeking to introduce the latest developments into their practice. The style of presentation of the authors is clear and logical, which allows the reader to easily assimilate even the most complex concepts. The book contains many illustrations, graphs and tables that clearly demonstrate the basic principles and processes described in the text. This makes the material more accessible and understandable, which is especially important for students and novice professionals. If you are looking for literature on thermodynamics, mass exchange or separation technologies, then “Thermodynamics and mass exchange in the processes of fine separation in countercurrent columns” will be a real find for you. This book will not only expand your knowledge, but also inspire new ideas and projects in the field of chemical technology. In conclusion, it is worth noting that this publication is not just a textbook, but an important contribution to the development of science and practice in the field of thermodynamics and mass exchange. It will become an indispensable assistant for all those who strive for professional growth and want to be aware of the latest achievements in their field. Do not miss the opportunity to get acquainted with this unique book, which will open up new horizons in the world of science and technology!