John Groppo

Flotation of monazite in the presence of calcite part I: Calcium ion effects on the adsorption of hydroxamic acid

Wencai Zhang, Rick Honaker, John Groppo · Minerals Engineering · 2016 · 128 citations

Chemical Engineering, Engineering, Environmental Engineering +12

Notes on the Potential for the Concentration of Rare Earth Elements and Yttrium in Coal Combustion Fly Ash

James C. Hower, John Groppo, Kevin R. Henke et al. · Minerals · 2015 · 74 citations · Full text

Rare Earth Mineral, Mining Science, Engineering +24

Location of Cerium in Coal-Combustion Fly Ashes: Implications for Recovery of Lanthanides

James C. Hower, John Groppo, P. C. Joshi et al. · Coal Combustion and Gasification Products · 2003 · 71 citations

Chemical Engineering, Environmental Chemistry, Engineering +4

Rare Earth Element Distribution in Fly Ash Derived from the Fire Clay Coal, Kentucky

Madison M. Hood, Ross K. Taggart, Ryan C. Smith et al. · Coal Combustion and Gasification Products · 2017 · 69 citations · Full text

CO2 recycling using microalgae for the production of fuels

Michael Wilson, John Groppo, Andrew Placido et al. · Applied Petrochemical Research · 2014 · 63 citations · Full text