Activated carbon has been an ideal material for the separation of a variety of chemical
pollutants. Its extensive use is limited due to the cost of production, which has triggered the …

The presence of lead compounds in the environment is an issue. In particular, supply water
consumption has been reported to be a significant source of human exposure to lead …

Adsorption is a widely used unit process in various fields, such as chemical, environmental
and pharmaceutical, etc. The intraparticle diffusion adsorption kinetics model is one of the …

A simple, instrument-free, paper-based analytical device with dual-emission carbon dots
(CDs)(blue CDs and red CDs) was developed for the semiquantitative, visual, and sensitive …

Tannins as herbal extracts are a good alternative for green chemistry. They are found
aplenty in some plant species and can be extracted by simple methods. The tannins main …

The origin of tannins, their historical evolution, their different types, and their applications are
described. Old and established applications are described, as well as the future applications …

The feasibility of using two important and common clay minerals, kaolinite and
montmorillonite, as adsorbents for removal of toxic heavy metals has been reviewed. A good …

Adsorption has been proved as an efficient process to remove a multiplicity of solutes from
aqueous solution. Various biosorbents have found promising applications in wastewater …

In the present study, a deeper understanding of adsorption behavior of Pb (II) from aqueous
systems onto activated carbon and treated activated carbon has been attempted via static …

Adsorption thermodynamics of Pb2+ on carbon nanotubes has been studied at various
temperatures of 280, 298 and 321K and the thermodynamic parameters, such as equilibrium …