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A PREPARATION METHOD OF MEDIA FOR TREATING RARE EARTH COMPOUNDS EXTRACTED WASTE WATER, A WATER TREA 发明申请

2023-06-05 3890 3130K 0

专利信息

申请日期 2025-07-19 申请号 KR1020180049866
公开(公告)号 KR1020180050620A 公开(公告)日 2018-05-15
公开国别 KR 申请人省市代码 全国
申请人 KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
简介 The present invention relates to a method for manufacturing a carrier for water treatment of rare earth extraction wastewater, a water treatment method for rare earth extraction wastewater, a water treatment composition and a carrier using the same. According to the present invention, not only heavy metals but also other radioactive materials, arsenic, fluorine and the like can be efficiently treated in the water treatment of rare earth extraction wastewater, and waste shells of shellfish can be recycled to create added values. The method for manufacturing a carrier for water treatment of rare earth extraction wastewater comprises the steps of : a) producing a carrier for water treatment of rare earth extraction wastewater by carrying a calcined shellfish shell, a sulfur salt, methylenediphenyl diisocyanate and a polyol on a carrier base; and b) drying and classifying the carrier for water treatment of rare earth extraction wastewater produced in the step a).COPYRIGHT KIPO 2018


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