Search for "removal efficiency" in Full Text gives 27 result(s) in Beilstein Journal of Nanotechnology.
Beilstein J. Nanotechnol. 2017, 8, 2781–2789, doi:10.3762/bjnano.8.277
Beilstein J. Nanotechnol. 2017, 8, 1897–1908, doi:10.3762/bjnano.8.190