In August 2017, as part of the project entitled: "Construction of a mechanical sewage sludge drying plant together with the modernization of sewage treatment plant facilities in Rzeszów", Proffico signed a contract for the implementation of a complete municipal sewage sludge dewatering installation. The investor in this task is Miejskie Przedsiębiorstwo Wodociągów i Kanalizacji Sp. z o.o. in Rzeszów, the general contractor is Inżynieria Rzeszów SA and Proffico acts as a subcontractor responsible for the delivery, assembly and start-up of the complete sewage sludge dewatering installation. The installation will consist of two independent lines based on Bucher piston presses. In technical terms, this installation will be a twin of the installation in the sewage treatment plant in Radom. Thanks to this, in terms of sewage sludge dewatering technology, the city of Rzeszów will have solutions identical to many European metropolises, with London at the forefront.