Greensand casting is a process that uses mixture of silica sand with addition control additions which are bentonite clay and the presence water. Control influence mechanical properties greensand mould, for this study focuses on permeability. Bentonite acts as binder activated by water to develop strength plasticity thus mould can be formed. Permeability ability gas pass through moulding aggrega...

Chlorinated solvents in the subsurface are a widespread problem with thousands of impacted sites in the United States. A large body of literature exists that evaluates treatment of chlorinated solvents using granular zero valent iron, which has been shown to treat chlorinated solvents via reductive dechlorination. Much of this literature is conducted within the context of permeable reactive bar...

W W W .R U B .D E /S F B 8 3 7 The application of electrical energy during Electrokinetic Treatment (EKT) on soils has been well experimented in order to either consolidate (by dewatering) or decontaminate them. Several practical cases in the literature validate the use of this technique to improve the mechanical properties of soft clays in foundations, excavations and other geotechnical works....

The physic and chemical characterization of the bentonite clay from Chiqui Gómez deposit, central Cuba, (Cuban clay) shows that it is mainly constituted by sodium montmorillonite (>90%), with a structural formula for one-layer unit determined as (Na3.99Al0.01)(Al1.11Fe3+0.49Mg0.18Ti0.07)(Ca0.24Na0.15K0.01)O10(OH)2. Cuban has specific surface area 80 m2g-1, pore volume about 0.0776 cm3g-1, 61...