 Field
results of EcoClean and EcoClean-M application |
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EcoClean series have been widely applied on more
than 150 sites in Japan, the US, India and Thailand. |
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 EcoClean
being applied to treat source area at Newport, New Hampshire |
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EcoClean
Field result : Site A |
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Located in Kyushu, south
of Japan.
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Hydrogeology
in brief: weathered sand stone and mud stone, silty
clay. The hydraulic conductivity varies with location
between 10-4 to 10-6 cm/sec.
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Pretreatment:
Pump and treat was done for several years. In spite
of that the contamination (TCE and cis-DCE)
concentration was more than 100 times the environmental
standard (TCE 0.03mg/L,cis-DCE 0.04mg/L).
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EcoClean injection:
EcoClean was injected with special grouting technique under
moderate pressure. Within 8 months of EcoClean injection
the contamination concentration fell below environmental
standard. Post remediation monitoring was done for
2 years to confirm no rebound in the groundwater concentration. |
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| Field
results of EcoClean-M: |
Site location: Ibaraki
prefecture, Japan.
Area: Approximately 10,000 m2
Hydrogeology in brief: Unconsolidated unit of gravel underlying
loamy soil with hydraulic conductivity varied with depth from
10-2 to -410 cm/sec.
Bioremediation: EcoClean-M was injected under gravity after diluting
in water. Within 30 days after injection the groundwater contamination
concentration dropped below environmental standard (0.05mg/L)
at more than 20 monitoring wells. Post remediation monitoring
was carried out for more than 2 years to confirm no rebound
in
contamination
concentration.
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| Site:
Kampur, India |
Successful remediation of groundwater contaminated
with Hexavalent chromium was demonstrated with injection
of EcoClean-M at Kanpur, India.
The demonstration was funded by the Blacksmith institute
( homepage )
and was monitored by Central Pollution Control Board under
the Ministry of Environment and Forest, India.
Click here for complete
report 
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