Sentence examples for leaching of metals from inspiring English sources

Environmental groups have long pressed for coal ash to be buried in lined landfills to prevent the leaching of metals into the soil and groundwater, a recommendation borne out by the 2006 E.P.A. report.

But Mr. Sklerov said that lead levels in tap water have been dropping, largely because the environmental department adds a common food preservative, phosphoric acid, to the water to create a protective coating on pipes and prevent the leaching of metals.

The leaching of metals was also successfully stabilized in mortars.

Further, in the second step, the acetic acid can be used for leaching of metals.

The present study used acetic acid as a leaching agent for leaching of metals from solders.

This discrepancy occurred due to the organic acid used for leaching of metals.

Some researchers have reported the enhancement of the leaching rate during the simultaneous leaching of metal oxides and metal sulfides.

In this case, it would be desirable to release large amounts of metal ions in a short period of time, which is opposite to what is observed for the slow leaching of metal ions from colloidal metal particles.

Furthermore, some colloidal metal particles have been shown to be particularly effective at generating reactive oxygen species (ROS) presumably through the slow leaching of metal ions from the particle core [19 21, 25].

We proposed the surface proton, which is in close proximity to Fe3+, mitigates the leaching of metal and allows photo-Fenton process similar to what is generally observed at acidic pH condition.

Interestingly, the particle size of encapsulated Fe2O3CuO (3.7 nm) is larger than that of zeolite micropore (0.53 nm), which helps preventing the leaching of metal oxide that is a significant problem for conventional supported Fe catalyst in this reaction.