We would like to introduce a case where arsenic was efficiently removed using our technology, the "Clear Cycle (patented)" treatment system, which removes arsenic with high efficiency.
We solved the problem of arsenic contained in leachate around the abandoned mine site using our technology "Clear Cycle (patented)."
Site: Around the abandoned mine
Situation: Removal of arsenic from leachate around the abandoned mine
Before treatment arsenic concentration: 10-20 mg/L
Leachate volume: 4-5 m³/day
Treatment target: Below 0.01 mg/L (environmental standard value)
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[Proposal]
We adopted the treatment system "Clear Cycle" to efficiently remove arsenic contained in leachate, groundwater, and factory wastewater. We collected data for about two months and summarized the results.
[Results]
■ Arsenic concentration in treated water
We were able to operate continuously for nearly two months without backwashing. However, due to clogging of the filter cloth, the arsenic concentration in the treated water increased after May 21. Nevertheless, it recovered well with a few minutes of backwashing operation.
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