The concentrations of U in natural waters are usually low, being typically less than 4 μg/L in
river water, around 3.3 μg/L in open seawater, and usually less than 5 μg/L in groundwater …

Permeable reactive barriers (PRBs) are one of the innovative technologies widely accepted
as an alternative to the 'pump and treat'(P&T) for sustainable in situ remediation of …

Contemporary legislation respecting environmental protection and public health, at both
national and international levels, are based on data that characterize chemical properties of …

The apatite-group minerals of the general formula, M10 (ZO4) 6X2 (M= Ca, Sr, Pb, Na…, Z=
P, As, Si, V…, and X= F, OH, Cl…), are remarkably tolerant to structural distortion and …

Environmental contamination caused by radionuclides, in particular by uranium and its
decay products is a serious problem worldwide. The development of nuclear science and …

The speciation of U (VI) sorbed to synthetic hydroxyapatite was investigated using a
combination of U LIII-edge XAS, synchrotron XRD, batch uptake measurements, and SEM …

Herein, the immobilization of α–amylase onto hydroxyapatite (HA) and hydroxyapatite-
decorated ZrO 2 (10% wt)(HA-ZrO 2) nanocomposite were investigated. The immobilization …

The objective of this work was the study of the mechanism employed by hydroxyapatite
(HAP), Ca5OH (PO4) 3, for the removal of hexavalent uranium from water in open to the …

Batch experiments were conducted to evaluate the ability of hydroxyapatite (HA) to reduce
the solubility of metals, including the primary contaminants of concern, Ni and U, from …

Heavy metals produced and released during agricultural and industrial activities may pose a
serious threat to the environment. This study investigated the effectiveness of phosphatic …