Gravimetric Evolution During Sewage Sludge Biostabilization

by Paola Posligua, Michelle Peñaherrera, Elvito Villegas, Carlos Banchon
Published 2018-09-01

Removal of Lead from Aqueous Solutions Using Different Coffee by-products (Coffea arabica L.)

by Jordy Pariona-Palomino, Elvito Villegas, Armando Vélez-Azañero
Published 2021-10-01