Purification of contaminated soil
专利汇可以提供Purification of contaminated soil专利检索，专利查询，专利分析的服务。并且PURPOSE: To economically remove a heavy metal from contaminated soil without deterioration in the chemical property of the soil, by growing a glycoside compound type plant or an other compound type plant in the contaminated soil and then removing the plant after growing.
CONSTITUTION: A glucoside cmpound (e.g., C
20 H
27 ON
9 ON
9 C
12 H
13 O
8 )-type plant (e.g., a Japanese laurel, a polygonum, buckwheat or a Japanese green gentian) or another compound (e.g., C
17 H
18 O
17 , O
18 H
18 O
2 or C
22 H
16 O
21 )-type plant (e.g.,a ditch reed, a ferm,) is cultivated in soil contaminated with a heavy metal such as Hg or Cd. Then the heavy metal is removed from the soil by reaping said plant, after it grows to a considerable degree. It is possible to simply reduce rhe content of the metal in the soil to a safe level by the present method, which can be performed at low cost beccause of use of no expensive chemicals but a weed.
COPYRIGHT: (C)1982,JPO&Japio，下面是Purification of contaminated soil专利的具体信息内容。
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