Clean Technologies and Environmental Policy

, Volume 20, Issue 2, pp 427–433 | Cite as

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

  • Tannaz PakEmail author
  • Nathaly Lopes Archilha
  • Raaid Al-Imari
Original Paper


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%.


Nanotechnology Porous media Removal of organic contaminants Non-aqueous phase liquids (NAPLs) 



This project was partly supported by the Royal Academy of Engineering under the Newton Research Collaboration Programme (Academy Reference: NRCP1516/1/159). We thank Jeffrey Lawrence, Marwan Rezk, and Richard Medd for their helps in SEM imaging and Zeta potential measurements.

Supplementary material

10098_2018_1487_MOESM1_ESM.docx (213 kb)
Supplementary material 1 (DOCX 213 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Teesside UniversityMiddlesbroughUK
  2. 2.Brazilian Synchrotron Light Laboratory (LNLS)CampinasBrazil

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