MITSUBISHI MATERIALS CORP;MITSUBISHI MATERIALS NATURAL RESOURCES DEVELOPMENT CORP;MITSUBISHI MATERIALS TECHNO CORP;PS MITSUBISHI CONSTRUCTION CO LTD;TAIHEI BUSSAN KK
发明人:
AIKAWA YOSHIO,HONNA MITSUO
申请号:
JP20030203241
公开号:
JP2005046666(A)
申请日:
2003.07.29
申请国别(地区):
日本
年份:
2005
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide a method for easily and efficiently recovering cadmium from cadmium-containing soil at a low cost. SOLUTION: After a plant having a cadmium absorbing capacity is cultivated in cadmium-containing soil, the plant is supplied into a calcinating furnace used in the refining of zinc and zinc is leached from the calcined ore obtained in the calcinating furnace. Cadmium is precipitated from a zinc-containing leaching liquid and recovered. COPYRIGHT: (C)2005,JPO&NCIPI