Abstract
Sea desertification has become a serious problem in sea coasts worldwide. Owing to Japan’s long sea coast, fishery is one of its key industries; thus, sea desertification is a crucial problem for the Japanese society. The positive effect of steelmaking slag containing humic substances or soil in sea coast on the rehabilitation of damaged coastal environments has been phenomenologically confirmed. This study has focused on elucidating this phenomenon, and it has been clarified that the coexistence of organic substances and steelmaking slag supported the stable dissolution of nutrients from steelmaking slag by chelating the inorganic ions.
Keywords: Chelation reaction, Nutrient dissolution, Organic acid, Sea desertification.
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