BioSO4 Oy develops novel and original water treatment products and also acts as a distributor supplying to global mining reagent producers. BioSO4 Oy commenced commercial activities in 2018 with the production of a patented sustainable BioSO4–biopolymer method, in which sulphates can all be effectively recovered and recycled from both liquids and gases. In addition, biopolymer by-products are used for heavy metal removal and liquidized biopolymers act as BioSO4-flocculants for wastewater treatment. We supply globally a wide range of REACH registrated sulphur based mining reagents from big global producers. In addition to high-quality products, we offer knowledge and expertise concerning the application in question, quality control of offered products, support in environmental issues of reagent usage product development in response to changing circumstances, as well as cost-efficient logistics.