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. Author manuscript; available in PMC: 2016 Aug 15.
Published in final edited form as: J Memb Sci. 2015 Aug 15;488:79–91. doi: 10.1016/j.memsci.2015.03.089

Table 2.

Observed rate constant (kobs,Se, h−1) of selenium oxyanion removal with iron nanoparticle suspension in different water matrix. [Fe]0=0.5±0.02 g/L. Specific surface area: 37.8 m2/g.

Water matrix kobs,Se (h−1)
DI water 32.8
Scrubber Water 0.204
NaCl (75 mM/150 mM) 13.4/3.20
Na2SO4 (30 mM/75 mM) 1.14/0.626