Themed collection Where will cleaner H2O spring from?

Despite the extensive existence of adsorbents for Cr(VI) removal from aqueous solutions, new adsorbents and modification of existing adsorbing materials are continuously sought after.

Adsorption has been the focus of research on the treatment of heavy metal mercury pollution since it is among the most toxic heavy metals in existence.

The applications, progress and outlook of ion flotation are discussed.

Chromium in its hexavalent oxidation state is carcinogenic and wastewater from the electroplating industry is one of the principal sources of pollution.

Adsorption of phosphate onto ferric hydroxide in complex waters is influenced by effects of competition, displacement and surface blockage.

An adsorption tube prepared by heat-shrinkage of vertically aligned carbon nanotubes provides high adsorption capacity for phenolic compounds.

A biocompatible Dex-MA/PAA hydrogel was prepared through copolymerization of glycidyl methacrylate substituted dextran (Dex-MA) with acrylic acid (AA), which was applied as the adsorbent to remove cationic dyes from aqueous solutions.

This study demonstrates the fabrication of nanoceria-immobilized silica nanofibers for efficient water decontamination with easy reuse and regeneration properties.

A cost-effective system for acid mine drainage removal was developed with the key role of alkaline H₂O₂ modified corncob and sulfate reducing bacteria.

Poly(styrene-divinylbenzene) foam was synthesized through a high internal phase emulsion (HIPE) technique with Span 80 and superfine oyster shell powder as a co-emulsifier, and the foam exhibited excellent superhydrophobicity and oleophilicity.

The proposed mechanism for effect of HA on Pb(II) removal using MWCNTs.

An adsorption model was proposed for predicting the formation of submerged oils under the effect of suspended sediments.

Using surface characterization and a decomposition study, carbonaceous materials are found to have longevity potential in novel reactive media for in situ denitrification.

The consortium of fungi and microalgae exhibited simultaneous removal of color, nutrients and COD in simulated wastewater.

Preparation of novel nanosphere material for efficient capture of toxic substances. The nanosphere material was systematically investigated for the capture of a toxic substance. The material displayed high sensitivity with high adsorption efficiency.