ACHEMA, held at Messe Frankfurt, Germany, is one of the most significant global events for the process engineering, biotechnology and environmental protection sectors. This international exhibition has established itself as a crucial meeting point for professionals and companies looking to explore the latest innovations, share knowledge and foster collaborations in these vital fields. Since its first edition, ACHEMA has grown exponentially, both reflecting and driving technological and scientific advances in the chemical, pharmaceutical and food industries. The fair is held every three years and attracts participants from more than 100 countries, including exhibitors and visitors representing the most influential companies and the most advanced research institutes in the world. The importance of ACHEMA lies not only in its size and international reach, but also in its ability to anticipate and shape future trends in the sector. For example, topics such as sustainability and the circular economy have gained a prominent place in the fair’s discussions and exhibits, reflecting the growing global concern for the environment and the need for cleaner and more efficient industrial processes. In addition, ACHEMA is a platform where technological innovations that can transform the industry are presented. From advances in automation and robotics to the development of new materials and chemical processes, the fair is a showcase for the technologies that will define the next generation of products and services in the sector. This not only drives technological progress, but also fosters healthy competition and collaboration between companies and academics, which in turn accelerates innovation. Another highlight of ACHEMA is its conference and seminar programme, where world-renowned experts share their knowledge and discuss current and future challenges facing the industry. These educational events offer attendees unique and up-to-date perspectives, as well as opportunities for professional development and networking. The relevance of ACHEMA can also be measured by its economic impact. The fair generates significant business opportunities, both for exhibitors who can showcase their products and services to an international audience, and for visitors looking for specific solutions to improve their operations. In addition, the event contributes significantly to the local economy, from hotels and restaurants to transport and tourism services, all benefiting from the influx of international visitors. In short, ACHEMA is not just a fair; it is a barometer of the health and direction of the process industries. Its ability to bring together the main players in the sector, showcase cutting-edge innovations and facilitate the exchange of ideas and business makes it an indispensable event for any professional or company aspiring to stay ahead in these highly competitive and rapidly changing fields.