Abstract：
:In current work, Prussian blue (PB)- and hydroxyapatite (HAp)-embedded micro-adsorbents (PB-HAp-MAs) were rationally fabricated through an easy and flexible custom-made micronozzle system as a novel bifunctional adsorbent. The adsorption performance of the as-prepared samples was conducted based on the removal of cesium (Cs+) and strontium (Sr2+) ions. Adsorption behaviors of the PB-HAp-MAs were also evaluated as function extrusion dimensions and adsorbate concentration. The adsorption isotherm was well fitted by the Langmuir model with adsorption capacities of 24.688 mg g-1 and 29.254 mg g-1 for Cs+ and Sr2+, respectively. Specially, the enhanced adsorption activity can be synergistically attributed to the porous nature of the developed alginate backbone with a high surface area of encapsulated functional nanoparticles, thus leading to rapid saturation within 1 min. In addition, the as-synthesized PB-HAp-MAs were successfully separated from the aqueous solution within 10 s by applying a magnetic field. We expect that our findings will provide valuable guidelines towards developing highly efficient adsorbents for environmental remediation.
journal_name
Chemospherejournal_title
Chemosphereauthors
Park B,Ghoreishian SM,Kim Y,Park BJ,Kang SM,Huh YSdoi
10.1016/j.chemosphere.2020.128266subject
Has Abstractpub_date
2021-01-01 00:00:00pages
128266eissn
0045-6535issn
1879-1298pii
S0045-6535(20)32461-9journal_volume
263pub_type
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