Environmental Emissions Compliance and Reduction of Greenhouse Gases in a DR-EAF Steel Plant

摘要

The recent alliance between Tenova HYL, Techint and Danieli brings a new brand -^sENERGIRON - to the forefront of the direct reduction industry. ENERGIRON technology is characterized by its flexible reformerless process configuration which is able to satisfy and exceed the current stringent environmental worldwide requirements. The gaseous and water effluents of the process are not only low but easily controlled. Incorporation of selective carbon dioxide (CO_2) removal systems has been a key factor over the past decade in significantly reducing the emissions levels, providing an additional source of revenue for the plant operator via the captured CO_2. The high pressure operation and closed system of an ENERGIRON plant combined with the HYTEMP Pneumatic Transport System reduces dust emissions to both air and settling tanks, making the process more economical and environmentally friendly. This paper will focus on the various environmental aspects as compared to the most stringent regulatory controls both in the U.S. and abroad.