| abstract |
The present invention provides novel environmental improvers and methods for improving contaminated soil, soil, surface or ground water, particularly subsurface sites. The environment-improving agent comprises a carrier that interacts with a chemically or biologically active material in the form of particles on average less than about 1 micron and an environmentally acceptable solvent. The carrier has the ability to maintain the particles in a continuous suspension, which can pass through the pores of the soil due to its small size, By means of this, the improving agent can be delivered to the subsurface contamination site. A significant advantage over prior art methods is that, especially in the case of metal nanoparticles, solidification is avoided, easy to apply and delivered to the subsurface sites. Providing a method comprising selecting an appropriate environmental improver and contacting the improver with subsurface soil or water, wherein the improver is applied in a composition with a carrier Then, the improving agent is transported to the subsurface site. |