Bauxite residue contains a certain amount of alkali metal ions, among which sodium ions
are predominant and have a great impact on its application performance. In this paper, a …

The presence of chloride ion as an environmental pollutant is having a devastating and
irreversible effect on aquatic and terrestrial ecosystems. To ensure safe and clean drinking …

The bentonite deposit of Lahij Province, Yemen, has very promising commercial
applications due to its mineralogy and physical and chemical properties. It was examined to …

Nano-birnessite was prepared, characterized and used for removal of cobalt and strontium
ions from aqueous solutions. Scanning electron microscope and atomic force microscope …

This paper presents the synthesis, structural characterization and Pb (II) adsorption behavior
of K-birnessite and H-birnessite samples. Changes in the surfaces and structure of …

In the environment, antimony as a priority control pollutant is mainly associated with Fe-or
Mn-related minerals. In this work, acid birnessite (AB) doped with iron was synthesized as …

Removal of cadmium, copper and lead with microporous synthetic Na-birnessite (sodium-
birnessite) was investigated by carrying out batch-type sorption experiments with 2 days of …

In recent years, bismuth has gained attention of many researchers because of its sorptive
properties. Sorptive properties of bismuth compounds are used for removal of ionic …

Water pollution, a worldwide issue for the human society, has raised global concerns on
environmental sustainability, calling for high-performance materials in effective pollution …

Bentonite was used as adsorbent, which was modified by aluminum cross-linking and tannin
double modification (Al-Tan-Bent), and the adsorbent has excellent removal performance for …