发明名称 Heavy metal adsorbing agent and method of using same
摘要 An agent for adsorbing and preventing leakage of heavy metals in the industrial waste, etc. includes coral sand of 60 mesh or less. The coral sand can be heated in the atmosphere of reduced pressure, vacuum or argon or nitrogen gas, or air dried in order to accelerate activation of coral sand.
申请公布号 US4781841(A) 申请公布日期 1988.11.01
申请号 US19870034743 申请日期 1987.04.06
申请人 NISSHO CO., LTD. 发明人 SOMEYA, NOBUO
分类号 B01J20/10;B01J20/04;B09B1/00;B09C1/00;C02F1/28;(IPC1-7):C02F1/28 主分类号 B01J20/10
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