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2. Powdered activated carbon injection system to control mercury emission: mercury is still used today in a wide range of products, including batteries, paints, switches, electrical and electronic devices, thermometers, blood-pressure gauges, fluorescent and energy-saving lamps, pesticides, fungicides, medicines, and cosmetics

Author

Memoli, Francesco, Coraopolis, Pa., and Giachero, Aldo

Subjects
United States. Environmental Protection Agency, Energy conservation, Control systems -- Energy use, Measuring instruments -- Energy use, Batteries -- Energy use, Fungicides -- Energy use, Air pollution, Architecture and design industries, Business, Construction and materials industries
Abstract

As reported in the Global Mercury Assessment 2013 by the United Nations, (1) many spent products and the mercury they contain enter waste streams. While mercury in landfills may slowly [...]

Published
2013

3. The basic principles of an electrode regulation system: the main physical principle of an electric arc furnace is the transfer of energy from the electricity line to the furnace through heat radiation and conduction generated by an electric arc

Author

Origoni, Luca, Memoli, Francesco, and Shoop, Kyle

Subjects
Architecture and design industries, Business, Construction and materials industries
Abstract

The control of the arc furnace energy-transfer process is achieved by regulating the electric arc power and arc length that is acting on the position of the arc furnace electrodes [...]

Published
2010

10. AUMENTO DAS PLANTAS CONSTEEL NO MUNDO: FLEXIBILIDADE PARA A CARGA CONTÍNUA DE GUSA LÍQUIDO E SUCATA NO FORNO ELÉTRICO A ARCO AGORA NA SIDERURGIA BRASILEIRA.

Author

Memoli, Francesco, Ferri, Mauro Bianchi, and de Freitas, Jorge Villares

Subjects
*STEEL industry, *SCRAP materials, *TECHNOLOGY, *FUSION (Phase transformation), *OXYGEN steelmaking, *ENERGY consumption
Abstract

This paper describes the latest big Consteel® applications around the world and the perspectives of utilization of this recognized technology on the recovery of the growth of the Brazilian Steel Industry, with particular attention to the utilization of hot metal as main part of the charging mix. The Consteel® EAF process represents the extension of the advantages of continuous charge feeding and melting process - typical of EAFs charged with 100% DRI - to the charging of scrap. This with the additional benefit of an "environmentally friendly" preheating of the charge help the reducing energy requirements of the process. Moreover the possibility of injecting oxygen for 100% of the power-on time makes the Consteel® process the best option for taking most of the advantages coming from hot metal charging in an EAF. Process details and technological peculiarities of this particular type of operation are described. [ABSTRACT FROM AUTHOR]

Published
2009
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