The UiO-66-NH2 aerogel has been designed to
remove As(III)
and As(V) in the full pH range with a long lifetime. The efficiency
of the aerogel for trace removal from river water samples at the sub-ppb
level has been demonstrated. The feasibility for practical uses has
been evaluated by breakthrough experiments operated at a liquid hourly
space velocity (LHSV) of 38 h–1 using a real water
sample with a significant capacity of 284 mg g–1. The UiO-66-NH2 aerogel provides a lifetime of over 600
min, which is one of the highest lifetimes among the reported adsorbents
for arsenic decontamination.
ZIF-67 is a representative type of metal-organic frameworks (MOFs) developed for oxygen reduction reaction (ORR) owing to its robust structure in alkali electrolytes and the presence of the redox-active Co2+...
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