Marine Ecology: Current and Future Developments

Volume: 2

Utilization of Steelmaking Slag in Sea Areas

Author(s): Ryo Inoue * .

Pp: 214-242 (29)

DOI: 10.2174/9789811437250120020021

* (Excluding Mailing and Handling)

Abstract

In recent years, many studies have been conducted on the use of steelmaking slag to improve marine environments. By burying steelmaking slag alone or in a mixture of steelmaking slag and soil (or sand) containing organic materials in marine environments, the growth of marine plants can be promoted and rocky-shore denudation can be repaired. Furthermore, it is known that the occurrence of blue tide can be prevented. These effects are understood to be the result of a steady supply of iron, which is a major component of steelmaking slag. This chapter outlines the generation and conventional applications of ironmaking and steelmaking slags, which are by-products of the steel industry. Author then highlight previous studies on the environmental protection of sea areas using steelmaking slag and discuss novel applications of steelmaking slag.


Keywords: Blue tide, Environmental protection, Iron, Rocky-shore denudation, Steelmaking slag.

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