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WASTE CONTAINING GROUP Vb HEAVY METAL ELEMENT IN DISPOSABLE FORM AND METHOD OF CONVERTING MATTER CONTAINING GROUP Vb HEAVY METAL ELEMENT INTO DISPOSABLE FORM
WASTE CONTAINING GROUP Vb HEAVY METAL ELEMENT IN DISPOSABLE FORM AND METHOD OF CONVERTING MATTER CONTAINING GROUP Vb HEAVY METAL ELEMENT INTO DISPOSABLE FORM
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机译：含有Vb重金属元素的可处置形式废物和将含Vb重金属元素的物质转化为可处置形式的方法
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摘要
PROBLEM TO BE SOLVED: To provide a technology for stably disposing the group Vb heavy metal elements so as not to have a significant effect on the environment.;SOLUTION: In a waste wherein a matter containing the group Vb heavy metal element is converted into a disposable form, the sulfide of the group Vb heavy metal element is solidified with a solidifying agent containing a powdery alkali silicate, a powdery barium salt, a powdery silicon phosphate, and a powdery alumina, a cement solidifying agent principally containing a calcium sulfoaluminate mineral as principal component, a blended cement solidifying agent containing a pozzolanic material and weakly alkaline pore water, or a solidifying agent such as a gypsum solidifying agent at a pH of 5-11.;COPYRIGHT: (C)2004,JPO
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