Located in Bochum, was founded in 1921 by Franz Gröppel Machinery Company with the goal of concentrating and intensifying the company´s activities in the field of flotation technology. From the very beginning, in addition to the development and engineering of flotation equipment, the EKOF has been involved with the chemistry of flotation processing as well.

Ekofole Reagents were developed and manufactured both for coal and for ore preparation. Ekof 1921 While the design and construction of flotation machinery was taken by the parent company, the EKOF today is active exclusively in the reagents field, and is a subsidiary of the KHD Humboldt Wedag GmbH. Based on tradition and decades of experience in operating practice for flotation, EKOF offers the most modern of know-how and offers customer support during start-up and should problems arise. Intensive work with the flotation of various types of coals and minerals in the laboratory and in the field led to the development of new and optimized reagent combinations. The range of EKOF products always represents the state of the art in this industrial sector.