While the oxidative capacity of nanostructured birnessite-type manganese oxide has been
widely investigated, no comprehensive work exists on the combined effects of dissolved Mn …

Hexagonal birnessite is the most ubiquitous manganese oxide in geological environments. It
is often highly enriched in trace metal ions such as Ni and plays an important role in metal …

We investigated the effect of pH (5.5–8.5) on the mineralogical transformation of hexagonal
birnessite induced by reaction with aqueous Mn (II)(50–2200 μM), using batch sorption …

Nanostructured Co-doped birnessites were successfully synthesized, and their application
for the removal of Pb2+ and As (III) from aquatic systems was investigated. Powder X-ray …

Hexagonal turbostratic birnessite, with the characteristics of high contents of vacancies,
varying amounts of structural and adsorbed Mn 3+, and small particle size, undergoes …

Sorption and oxidation reactions in the environment may affect substantially the mobility of
redox-sensitive toxic trace elements and compounds. Investigating the environmental factors …

We examined the uptake of Tl (I) by two hexagonal birnessites and related phase
transformations in laboratory experiments over 12 sequential additions of 0.01 M Tl (I)/Mn at …

Manganese oxides and organic acids are key factors affecting arsenic mobility, but As (III)
oxidation and adsorption in the coexistence of birnessite and low molecular weight organic …

In an aquatic ecosystem, especially constructed wetlands receiving arsenic (As)-containing
wastewater, the fate and mobility of As is influenced by manganese (Mn) oxides and organic …

Solution chemical techniques were used to investigate the oxidation of As (III) to As (V) in
0.011 M arsenite suspension of well-crystallized hexagonal birnessite (H-birnessite, 2.7 g L …