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Ruhrverband awarded a contract worth EUR 290,615 to Chemische Fabrik Wocklum Gebr. Hertin GmbH & Co. KG for the supply of iron(III) salt solution and sodium aluminate solution, awarded on 2021-05-10.
Eickhoff Antriebstechnik and Halbach & Braun Maschinenfabrik are upgrading chain conveyors for the sludge dewatering system at the Arnsberg-Wildshausen sewage treatment plant to improve operational safety.
Ruhrverband awarded a €238,262 contract to Kemira Chemicals Germany GmbH for the supply of iron(II) and/or iron(III) salt solution for wastewater treatment. The award was granted on February 16, 2018.