貴金属製錬副産物の窒素成分の有効活用に向けた海域用施肥剤の開発

抄録

In order to effectively utilize the nitrogen component of precious metal smelting by-products, nitrate was separated and used for developing solid fertilizer. The solid fertilizer contained in plastic hollow rods with pores of appropriate component elution and persistence investigated in advance was installed above nori (seaweed) growing net. As a result, it was confirmed that the color tone of nori laver was improved in 4 days, indicating the solid fertilizer was effective.