The book "Calculation of the thermal scheme of utilization steam-gas plants" by Sergey Alexandrovich Kachan is a unique and in-depth study in the field of energy and heat engineering . This publication will become an indispensable assistant for students, graduate students and specialists working in the field of energy technologies, as well as for anyone interested in modern methods of energy utilization and optimization of thermal processes. In his book, Kachan examines in detail the principles of steam-gas plants, which are becoming increasingly relevant in the context of global warming and the need for rational use of resources. The author focuses on the importance of thermal schemes, which play a key role in improving the efficiency of installations. Readers will be able to learn how to correctly calculate the thermal scheme, taking into account various factors such as temperature, pressure and composition of gases, which will optimize processes and minimize energy losses. The book is written in an accessible language, which makes it suitable not only for professionals, but also for a wide audience interested in environmental issues and sustainable development. If you are a technical university student studying energy, or an engineer working in this field, this publication will help you deepen your knowledge and master new approaches to calculations and design. The topics raised in the book cover a wide range of issues, including the principles of thermodynamics, heat transfer and the working mechanisms of recycling plants. Kachan shares his knowledge of modern technologies such as combined power and heat generation, allowing readers to understand how these systems can be used to improve the overall efficiency of energy processes. The book also touches on environmental issues, emphasizing the importance of reducing emissions and switching to cleaner technologies. The author's style is distinguished by clarity and logical presentation, which makes complex technical concepts more understandable. Sergey Aleksandrovich Kachan is an experienced specialist in the field of energy, and his previous work has also received recognition in the scientific community. He is actively published in specialized publications and participates in conferences, which confirms his status as an expert in this field. Readers interested in topics such as "energy efficiency", "energy utilization", "steam-gas plants" and "heat engineering" will find a lot of useful information in this book. Kachan not only shares theoretical knowledge, but also offers practical recommendations, which makes the book especially valuable for practicing engineers and designers. Thus, the “Calculation of the thermal scheme of steam-gas plants utilization” is not just a textbook, but a real find for everyone who seeks to understand and master modern technologies in the field of energy. This book will be your reliable companion in the world of heat engineering, opening new horizons for the study and application of knowledge in practice. Do not miss the opportunity to immerse yourself in the world of efficient technologies and take a step towards a more sustainable future!