The book "Design of dust and gas treatment devices" by Ziganshin Malik Garifovich , Kolesnik Alexei Alekseevich and Posokhin Vladimir Nikolaevich is a unique and in-depth study in the field of ecology and engineering. which will be an indispensable tool for students , Graduates and Professionals , Working in the field of environmental protection and design of treatment systems. This publication not only enriches the reader with theoretical knowledge, but also offers practical solutions that can be applied in real-world conditions. The book covers a wide range of issues related to the design and operation of dust and gas treatment devices. The authors examine in detail various gas and dust purification technologies, focusing on modern methods and innovations in this area. Readers will be able to learn about the principles of operation of various types of filters, cyclones, electrofilters and other devices, as well as the calculations necessary for their effective functioning. Each section of the book is full of examples and illustrations, which makes the material accessible and understandable even for those who are just beginning to get acquainted with this topic. This book will be especially interesting for students and teachers of technical universities, as well as practicing engineers and environmentalists who seek to improve their skills and expand their knowledge in the field of emissions purification. In addition, it can attract the attention of representatives of industrial enterprises interested in improving the environmental situation and compliance with environmental protection standards .. In today's world, where environmental problems are becoming more urgent, knowledge of the principles of designing effective dust and gas treatment systems is not only a necessity, but also a responsibility of each specialist. The authors of the book are experienced professionals in the field of design of treatment systems, and their style of presentation is distinguished by clarity and logic. They use an accessible language that allows the reader to easily assimilate complex concepts. In their works, Ziganshin, Kolesnik and Posokhin emphasize the importance of an integrated approach to design, which makes their work especially valuable for practical application. Their previous publications also address environmental and engineering issues, confirming their deep understanding of the topic and their desire to share knowledge with a wide audience. The book "Designing dust and gas treatment devices" raises important topics such as sustainable development, environmental protection and innovative technologies. It inspires readers to find new solutions to reduce the negative impact of industrial processes on nature. The authors emphasize that the design of wastewater treatment systems is not only a technical task, but also a social responsibility that requires specialists not only knowledge, but also a creative approach. If you are looking for literature that will help you to understand the complex aspects of the design of treatment systems, this book will become your reliable assistant. It will not only expand your horizons, but also give you the opportunity to contribute to the protection of the environment. In a world where environmental challenges are becoming more urgent, knowledge of dust and gas treatment technologies is becoming an important step towards creating a cleaner and safer future.