The book "Draining and purification of natural gas from hydrogen sulfide using molecular sieves" by A. Kuliyeva is an in-depth and comprehensive study devoted to one of the most pressing problems in the field of the gas industry .. In the modern world, where environmental issues are becoming more important, and the requirements for the quality of natural gas are growing, this publication becomes an indispensable source of knowledge for specialists and students interested in hydrocarbon purification and processing technologies. Author, A. Kuliyev is a recognized expert in chemical technology and engineering, and in his book he shares not only theoretical aspects, but also practical recommendations for the drainage and purification of natural gas. Kuliev explores molecular sieves as an effective tool for removing hydrogen sulfide, making his work particularly valuable for engineers and scientists working in the field of gas production and processing. The book covers a wide range of topics: from the basics of the chemical structure of molecular sieves to their application in real-world conditions. Readers will be able to learn about the principles of operation of various types of molecular sieves, their advantages and disadvantages, as well as about modern methods of using them in the purification of natural gas. Kuliyev not only describes the theoretical foundations, but also shares the results of his own research, which gives the book practical value. This work will be of interest not only to professional engineers and chemists, but also to students studying related disciplines. The book is suitable for those who want to deepen their knowledge in the field of gas technology, as well as for those who seek to understand how modern technologies can help in solving environmental problems. Topics raised in the book are relevant to many industries: from energy to ecology. In the context of global climate change and the need to switch to cleaner energy sources, the purification of natural gas from harmful impurities is becoming an important task. Kuliyev emphasizes that the use of molecular sieves not only improves the quality of natural gas, but also reduces its negative impact on the environment. The author's style is distinguished by clarity and accessibility, which makes complex technical aspects understandable to a wide audience. Kuliev skillfully combines a scientific approach with practical examples, which allows the reader not only to assimilate the material, but also to see its application in real life. If you are interested in these topics , as gas purification, Molecular Technology , environmental aspects of the gas industry or you just want to expand your knowledge of chemical technology, the book "Draining and purification of natural gas from hydrogen sulfide with molecular sieves" will be a real find for you. This publication will not only deepen your knowledge, but also inspire new ideas and solutions in your professional activities. Do not miss the opportunity to get acquainted with the work of A. Kulieva - it will be an important step towards understanding modern technologies of natural gas purification and their role in the sustainable development of the energy industry