Abstract The adsorption of CO 2 on a nano-calcium oxide (nano-CaO) adsorbent was investigated under different conditions temperature and supply pressure, considering kinetic, isotherm, thermodynamic parameters. CaO is crystalline material with high surface area nanosized particles porosity, which showed rapid initial rates in the moderate range studied. well described by pseudo-second-order int...

In this research, a simple oxidation chemical process was applied for the synthesis of novel PANI@ZnO nanocomposite. The prepared nanocomposites were characterized by XPS, XRD, FTIR, SEM, TGA and N2 adsorption–desorption isotherms. Thereby, highest SBET values (about 40.84 m2 g?1), total mesoporous volume 3.214 cm3 g?1) average pore size 46.12 nm). Afterwards, nanomaterial as nanoadsorbent adso...

The behavior of phenol was studied and determined using the modified carbon paste electrode (MCPE) with nickel oxide nanoparticles doped by nitrogen quantum dots as nanoadsorbent (NiO - NCQD) cyclic voltammetry (CV). MCP manufactured in a laboratory. consisted 12% (NiO-NCQD), ­ 44% graphite powder paraffin oil to get carbonate paste. Cyclic can provide information; such: diffusion coefficient (...

This study investigated adsorptive and catalytic behaviour of ZnO ZnO/NiFe2O4 nanocomposites for the removal degradation organic pollutants in tannery wastewater. nanomaterials were synthesized via a green method using Zn, Fe Ni salts precursor leaves extract Anacardium occidentale (linn.). Subsequently, samples characterized by different analytical tools. The performance prepared nanomaterial ...

Toluene and benzene were eliminated using multi-walled carbon nanotubes (MWCNTs). In order to investigate influence of acid treatment on the MWCNTs adsorption capacities, the MWCNTs were functionalized by nitric acid (10 M) under reflux conditions for 2 h. Fourier transform infrared (FTIR) and Raman spectroscopy were employed to confirm the formation of functional groups on the nanotubes su...