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1. 发明公开

EP2594345A1 SOIL CLEANING METHOD 有权
标题翻译： BODENREINIGUNGSVERFAHREN
公开(公告)号：EP2594345A1
公开(公告)日：2013-05-22
申请号：EP10854716.7
申请日：2010-07-15
申请人： Dowa Eco-System Co., Ltd.
发明人： YOSHI, Shunsuke , TOMOGUCHI, Masaru
IPC分类号： B09C1/02 , B03C1/00 , B09C1/00 , B09C1/08
CPC分类号： B09C1/00 , B03C1/005 , B03C1/01 , B03C1/30 , B03C2201/20 , B07B15/00 , B09C1/02
摘要： The present invention provides a soil cleaning method. The soil cleaning method is characterized in that after a pre-treatment step of mixing a dehydrating agent in soil to reduce a water content of the soil to 10 mass% or less is performed, a magnetic separation step of feeding the soil whose water content is reduced to 10 mass% or less in the pre-treatment step, to a dry magnetic separator to separate and remove a contaminant in coarse soil as magnetically attracted matter is performed. By bringing the soil into a dry state to separate the soil into magnetically attracted matter and magnetically unattracted matter and collecting the heavily contaminated magnetically attracted matter, it is possible to facilitate separating fine soil from contaminated soil, which makes it possible to easily reduce the content of the contaminant in the coarse soil.
摘要翻译：本发明提供了一种土壤清洁方法。土壤清洗方法的特征在于，在将土壤中的脱水剂混合以将土壤的含水量降低至10质量％以下的预处理步骤之后，进行含水量为在预处理步骤中减少到10质量％以下，到干磁分离器中，以分离和去除粗糙土壤中的污染物，因为进行磁性吸附物质。通过使土壤处于干燥状态，将土壤分离成磁吸引物质和磁性物质，并收集严重污染的磁性吸附物质，可以方便地将细土与污染土壤分离，从而可以容易地减少含量的粗糙土壤中的污染物。

2. 发明授权

EP2594345B1 SOIL CLEANING METHOD 有权
标题翻译：土壤清洁方法
公开(公告)号：EP2594345B1
公开(公告)日：2017-12-06
申请号：EP10854716.7
申请日：2010-07-15
申请人： Dowa Eco-System Co., Ltd.
发明人： YOSHI, Shunsuke , TOMOGUCHI, Masaru
IPC分类号： B09C1/02 , B03C1/00 , B09C1/00 , B09C1/08 , B07B15/00 , B03C1/01 , B03C1/30
CPC分类号： B09C1/00 , B03C1/005 , B03C1/01 , B03C1/30 , B03C2201/20 , B07B15/00 , B09C1/02
摘要： The present invention provides a soil cleaning method. The soil cleaning method is characterized in that after a pre-treatment step of mixing a dehydrating agent in soil to reduce a water content of the soil to 10 mass% or less is performed, a magnetic separation step of feeding the soil whose water content is reduced to 10 mass% or less in the pre-treatment step, to a dry magnetic separator to separate and remove a contaminant in coarse soil as magnetically attracted matter is performed. By bringing the soil into a dry state to separate the soil into magnetically attracted matter and magnetically unattracted matter and collecting the heavily contaminated magnetically attracted matter, it is possible to facilitate separating fine soil from contaminated soil, which makes it possible to easily reduce the content of the contaminant in the coarse soil.

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