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Subsidy adoption project

2021/ Shikoku
Purpose Development of stabilization and recycling methods for cinders and fly ash from woody biomass power plant and incinerator plant
Target substances:

■Form of research

Collaborative research with university

■Summary

Cinders and fly ash contain harmful substances such as heavy metals. Most of these are taken to the landfill site, but landfill sites are limited.
Therefore, in Japan, it is strongly desired to establish a method that does not use a landfill site.
We verified whether it is possible to stabilize heavy metals in cinders and fly ash using the technology we have developed.

■Result

We have developed technology to stabilize heavy metals in cinders(Insolubilization and extraction method),  
We have developed backfilling material and concrete block product made from cinders and fly ash.