Sentences with phrase «treated tailings»

The mixture costs about five times more than cyanide, but can be used many times over, reducing the environmental footprint with no water effluents, off - gassing or issues with cyanide - treated tailings, said Nelson.

This solution allows customers to treat tailings and recover further value or even retreat old tailings facilities to recover this value and simultaneously reduce their environmental liability.

Not exact matches

Here are some other top successes: destroying stockpiles of chemical weapons globally as well as local stores of DDT in Tanzania; new cooking stoves to eliminate indoor air pollution in Ghana; separating copper mine tailings from the local water supply in Chile; alternative fuels to reduce air pollution in New Delhi as well as treating arsenic in well water in West Bengal; removing lead - contaminated soil in the Dominican Republic and Russia; reducing mercury vapors from artisanal gold mining in Indonesia; and new sewage systems to clean up contaminated Suzhou Creek in Shanghai.