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Soil material and soil improving method 发明授权

2023-12-01 4200 94K 0

专利信息

申请日期 2025-07-11 申请号 JP2003285053
公开(公告)号 JP4594606B2 公开(公告)日 2010-12-08
公开国别 JP 申请人省市代码 全国
申请人 Fujita Corporation302060926; Japan Inc Enutiai503278740
简介 PROBLEM TO BE SOLVED : To obtain a soil improving material that is obtained by effectively utilizing papermaking sludge ash which is conventionally used mostly for reclamation or utilized for a limited use, satisfies necessary strength of demanded soil qualities, prevents elution of heavy metals, controls re-sludging and improves workability and to provide a soil improving method using the soil improving material. SOLUTION : The soil improving material is obtained by combining merits of papermaking sludge ash with a water-soluble polymer compound having cohesive property or a synthetic polymer compound having high water absorption and improves improving effect on soil, prevents elution of heavy metals from soil and brings about prevention effects from re-sludging of improved soil. The soil improving method comprises adding the soil improving material to soil to be treated, kneading and improving workability. COPYRIGHT : (C)2005, JPO&NCIPI


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