School of Physical and Chemical Sciences, Queensland University of Technology Brisbane QLD, 4001 (Australia).
Adv Mater. 2008 Jul 17;20(14):2777-81. doi: 10.1002/adma.200702055. Epub 2008 Jun 16.
Layered titanate nanofibers can absorb bivalent ions from waste water via an ion exchange process. The sorption induces a considerable deformation of the layered structure, thus trapping the cations in the fibers permanently. Therefore, the fibers are desirable sorbents for the removal of toxic, radioactive Ra(2+) and Sr(2+) ions from water and subsequent safe disposal thereof.
层状钛酸盐纳米纤维可以通过离子交换过程从废水中吸附二价离子。这种吸附作用会引起层状结构的明显变形，从而将阳离子永久地困在纤维中。因此，这些纤维是从水中去除有毒放射性镭（Ra(2+)）和锶（Sr(2+)）离子并进行安全处置的理想吸附剂。
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