Application of nanotechnology in removal of NAPLs from contaminated aquifers: a source clean-up experimental study

Springer Science and Business Media LLC - Tập 20 - Trang 427-433 - 2018
Tannaz Pak1, Nathaly Lopes Archilha2, Raaid Al-Imari1
1Teesside University, Middlesbrough, UK
2Brazilian Synchrotron Light Laboratory (LNLS), Campinas, Brazil

Tóm tắt

This work investigates the removal of non-aqueous phase liquids (NAPLs) from groundwater resources using nanotechnology. We present results of a series of multiphase fluid displacement experiments conducted in a naturally occurring sandstone rock. These experiments involve injection of an aqueous suspension of silica nanoparticles to remove a trapped NAPL phase. Specifically, the effect of nanoparticle concentration on the efficiency of the NAPL removal is studied. Our results show that silica nanoparticles successfully remobilised the trapped NAPL phase and resulted in 13% increase in its removal efficiency. The optimal concentration for NAPL removal efficiency is found to be 0.3 wt%.

Tài liệu tham khảo

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