Mined in the United States, Leonardite is a low rank coal derived from terrestrial plant matter. Leonardite typically contains greater than 85% humic acid. AMCOL uses Leonardite in many industrial ways including agriculture, waste water, oil drilling and foundries. Leonardite reduces clay viscosity, is a known soil conditioner and helps the absorption of pollutants.
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Leonardite Bentonite Formulated Materials Process Chromite