The potential environmental impact of emissions of halogenated aromatics from the steel industry is of growing concern. It has been suggested that electric arc furnaces are the only industrial source with constant or increasing emissions of dioxins to air. Here the results are reported from a pilot plant study on how scrap composition and various treatment alternatives affect the formation and ...

Abstract What should one do when one's philosophical conclusions run counter to common sense? Bow the might of ordinary opinion or follow indiscriminate force reason, no matter where it leads? A few strategies have recently been proposed which suggest we needn't make this difficult choice at all. According these views, can accept truths sense whilst simultaneously endorsing views with they seem...

Mercury is a persistent toxic substance and once in the environment it can be transformed by bacteria into methylmercury which bioaccumulates food chains. Prevention of mercury releases are key to protecting human health. Alternatives products now available further phase-outs underway as Minamata Convention progresses toward its aims. In European Union, priority for safe removal from WEEE colle...

Scrap steel fiber concrete (SFRC) is a new kind of material, which uses the scrap from tire as reinforced FRP bar concrete, replacing or partially traditional and synthetic fiber. This paper summarizes research status waste at home abroad, including mechanical properties compressive tensile resistance, mixing amount use requirements fiber, finally development prospect forecasted