Год выпуска: 2010 Автор: Luis Cumbal Издательство: LAP Lambert Academic Publishing Страниц: 200 ISBN: 9783843374286
Описание
In environmental remediation, many nanoscale inorganic particles (NIPs) offer favorable properties for selective immobilization of target contaminants. The preparation of NIPs is safe, simple, and inexpensive. However, these tiny particles cannot be used in fixed-bed columns or in any plug flow type configuration due to excessive pressure drops and poor durability. Harnessing these NIPs within polymeric beads offers new opportunities in the area environmental separation and control. In this study two materials were dispersed with the NIPs: hybrid anion exchanger (HAIX)and dual zone sorbent (DZS). DZS particles, in addition to being magnetically active, are capable of selectively removing Cu(II), As(V), As(III), and DCP. DZS also showed favorable regeneration efficiency using a two step procedure. Sorption tests proved that HAIX beads were selective for both As(III) and As(V). HIX particles were also amenable to efficient regeneration. HAIX also ran well with...
