Iron (Fe) is the fourth most abundant element in the earth's crust and plays important roles in
both biological and chemical processes. The redox reactivity of various Fe (II) forms has …

Humic acids (HAs) are natural organic polymers that are widely distributed in terrestrial soils,
natural water, and sediments. Due to their excellent physical and chemical properties, HAs …

Highlights•MXene/PEI functionalized sodium alginate aerogel (MPA) was facilely
fabricated.•Rich active groups of PEI and reduction ability of MXene promoted Cr (VI) …

Develo** iron-based catalysts with superior activity and stability is a long-term goal for
peroxymonosulfate (PMS) activation in advanced oxidation processes. Combining the …

Chromium (Cr) is a toxic heavy metal that is heavily discharged into the soil environment
due to its widespread use and mining. High Cr levels may pose toxic hazards to plants …

The shortage of water resources and increasingly serious water pollution have driven the
development of high-efficiency water treatment technology. Among a variety of technologies …

The contamination of natural resources by hexavalent chromium (Cr (VI)) originating from
natural and anthropogenic activities is a serious environmental concern. Although many …

In this study, sludge-derived biochar was prepared and utilized to support nano-zero-valent
iron (NZVI-SDBC) for removing Cr (VI) and Cr (III) from aqueous solution with the aim of …

The detoxification process mediated by carboxylic acids (CAs) has received considerable
spotlights since CAs are clean reagent and ubiquitous in the natural environments and …

High adsorption capacity, fast adsorption kinetics, good reusability and low cost are highly
demanded for adsorbents used in practical adsorption process. In this study, a porous …