Conveners
Environmental aspects
- Mats Hättestrand (Sandvik Materials Technology)
- Gregor Mori (Montanuniversität Leoben)
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Ulrich Meyn (MKN Technologies GmbH)01/10/2019, 16:50Environmental aspectsOral PresentationSeveral disposal options exist for waste products from steelmaking operations. The production of Cr-containing steels requires specific attention since slags and dust generated in melting processes often contain water-soluble Cr(VI). Due to the toxicity of hexavalent Cr landfill options are usually not considered feasible. Regulators apply concentration limits in respective leachates....Go to contribution page
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Thomas Steinparzer (Primetals Technologies Austria)01/10/2019, 17:10Environmental aspectsOral PresentationEnvironmental protection and energy efficiency have become a decisive factor for steel producers over the recent years. Existing as well as new plants have to comply with the most stringent environmental regulations set by national and local governments. It is a global trend that emission and energy efficiency standards are lowered worldwide. Primetals Technologies has a vast experience in...Go to contribution page
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Daniel Fussek (ANDRITZ AG)01/10/2019, 17:30Environmental aspectsOral PresentationA large variety of surface treatment processes is applied in stainless steel pickling. Mixed acid containing hydrofluoric and nitric acid is used as a standard treatment for hot and cold rolled material. The metal-fluorides and -nitrates from the waste acid can be pyrohydrolyzed by the Andritz Pyromars process. The recovered acid is recycled into the pickling process and the metal oxides are...Go to contribution page