Effective and low-cost removal of dye and heavy metals from wastewater still is a great
challenge for researchers. Adsorption using activated carbon is widely used in removing …

Water is required for the existence of all living things. Water pollution has grown significantly,
over the decades and now it has developed as a serious worldwide problem. The presence …

The concentrations of heavy metal ions found in waterways near industrial zones are often
exceed the prescribed limits, posing a continued danger to the environment and public …

This review presents the adsorptive removal process of hazardous materials onto carbon-
based materials comprising activated carbon, graphene, carbon nanotubes, carbon …

Lignocellulosic biomass (LB) pyrolysis and gasification technologies for bio-oil, syngas and
process heat have been widely described, and biochar, as a significant byproduct of LB …

Removal of contaminants in wastewater, such as heavy metals, has become a severe
problem in the world. Numerous technologies have been developed to deal with this …

The problem of water pollution is of a great concern. Adsorption is one of the most efficient
techniques for removing noxious heavy metals from the solvent phase. This paper presents …

Water has a wide-ranging effect on all aspects of human life, such as health and food.
However, the water has often become polluted by the waste of our industrial, agricultural …

Biochar (BC) are widely used as highly efficient adsorbents to alleviate aromatics-based
contaminants due to their ease of preparation, wide availability, and high sustainability. The …

Carbon-based adsorbents such as graphene and its derivatives, carbon nanotubes,
activated carbon, and biochar are often used to remove heavy metals from aqueous …