发明名称 |
ELUTION SUPPRESSION METHOD OF FLUORINE, PRODUCTION METHOD OF MATERIAL FOR CIVIL ENGINEERING AND PORT, PRODUCTION METHOD OF UNDERGROUND BURYING MATERIAL, MATERIAL FOR CIVIL ENGINEERING AND PORT AND UNDERGROUND BURYING MATERIAL |
摘要 |
PROBLEM TO BE SOLVED: To surely and effectively suppress the elution of fluorine from a steel byproduct using calcium aluminate having low elution suppression effect.SOLUTION: In an elution suppression method of fluorine, an elution suppression agent containing at least one or more among CaO AlO, CaO 2AlOand CaO 6AlOis prepared; an elution suppression auxiliary agent containing calcium is prepared; a steel byproduct containing fluorine is mixed so that the total of CaO AlO, CaO 2AlOand CaO 6AlOin the elution suppression agent is 0.5 wt.%-less than 30 wt.% to total weight after mixing the mixture of the elution suppression agent, the elution suppression auxiliary agent and the steel byproduct; and the elution suppression auxiliary agent containing calcium is mixed so that a blending ratio to the total weight after mixing the mixture is 0.5 wt.% or more.SELECTED DRAWING: Figure 1 |
申请公布号 |
JP2016209847(A) |
申请公布日期 |
2016.12.15 |
申请号 |
JP20150098338 |
申请日期 |
2015.05.13 |
申请人 |
KOBE STEEL LTD |
发明人 |
SASAKI TATSUYA;KOBAYASHI YOSHIHIRO;KAMIYAMA TAIICHI;HORI TOSHISUKE |
分类号 |
B09B3/00;C04B5/00;C09K17/08 |
主分类号 |
B09B3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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