| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for stably suppressing the generation of hydrogen sulfide from sludge and the elution of sulfides over a long period of time by using steel slag for bottom sediment with a lot of sulfides such as marine areas of an inner bay, river and lake water areas to which domestic wastewater enters, and water areas for culture. <P>SOLUTION: A bottom sediment modifying material that contains the steel slag having a porosity of 10 vol.% or more is thrown in only in an amount not to be buried. <P>COPYRIGHT: (C)2013,JPO&INPIT |
