Pyrolysis is one of the most promising technologies for the conversion of biomass into high-
value products such as bio-oil, syngas, and biochar in the absence of oxygen. High yield …

In recent years, many studies have been devoted to investigate the application of biochar for
pollutants removal from aqueous solutions. Biochar exhibits a great potential to efficiently …

Instead of using commercial activated carbon or ion exchange resins, researchers have
worked on inexpensive materials, such as wastes from industry and agricultural operations …

Adsorption is a widely used chemical engineering unit operation for the separation and
purification of fluid streams. Typical uses of adsorption include the removal of targeted …

Soil degradation, characterized by declines in nutrient status and simultaneous
accumulation of pesticide residues, is a major problem affecting agricultural ecosystems …

Recently many researchers concluded that adsorption is widely utilized for removal of
pollutants, owning potential dominance like competence, cost-effective, flexibility in design …

Layered double hydroxides (LDHs) are a class of ionic lamellar compounds made up of
positively charged brucite-like layers with an interlayer region containing charge …

The search for low-cost technologies for arsenic removal from water is in high demand due
to its human toxicity, even at low concentrations. Adsorption can be a cost-effective water …

One of the main products of pyrolysis is char. For the better performance and improvement of
its physicochemical properties, it is necessary to make temperature changes. In this study …

For the first time the feasibility of using an alkaline wastewater coming from the pulp and
paper industry as an activator, partially (50 vol%) replacing commercial sodium hydroxide, in …