As part of the “Technical Chemistry 1” lecture, we went on an excursion to Celanese in the Höchst Industrial Park. We visited the so-called VINA plant, in which vinyl acetate is produced from ethene and acetic acid by direct oxidation with molecular oxygen on a heterogeneous catalyst. VINA production in Frankfurt-Höchst takes place in a world-scale plant: The production capacity is up to 340,000 tons per year, an enormous and remarkable dimension. We were given a wonderful insight into many typical unit operations of a large-scale chemical process, such as multitube fixed bed reactors, separation technologies by arrangements of distillation columns (up to approx. 60 m high), heat exchangers, compressors, flares (70 m high), process control systems and various safety devices. In addition to the tour of the plant, Celanese presented its wide range of products. A team from the plant management, mostly alumni of TU Darmstadt, was also on site and reported on their exciting career paths in the company. The students were also accompanied by a number of doctoral students. Together with the excellent support from Celanese, this resulted in a wonderful, interesting day with intensive technical discussions and a valuable exchange of experiences.