The potential of efficiency aerogel hybrid (Carbon + Silica) in the removal of phenol from aqueous solutions and studying isothermal studies, the traditional

Back ground: Phenol and its derivatives are widely used as raw material in many petrochemical, chemical and pharmaceutical industries. Wastewaters from the industries mentioned above contain Phenolic compounds which are highly hazardous to aquatic life. Therefore, phenolic wastewaters must be specially treated before disposing off the effluents Hybrid aerogel with structure of hydrophobicity was prepared through sol–gel synthesis followed by drying at ambient. The aerogel was used for phenol adsorption from water and the effects of phenol concentration, also contact time were studied. Batch kinetic and isotherm studies were carried out to evaluate the effects of contact time and phenol concentration The Aerogel surface was characterized by nitrogen adsorption at 77 K. The result showed that the maximum adsorption was in the concentration 250 mg L− 1 493/13 mg g− 1. The specific surface area of the synthesized aerogel is 543.4 g m-2, the pore size is 3.24 nm with a porosity of 44 and a contact angle of 156 degrees, The Langmuir model and the pseudo-second-order fited the experimental data the results showed that the phenol adsorption process involved both boundary layer diffusion and inter particle diffusion that hydrophilic and hydrophobic surface of the aerogel is synthesized
main reason for its higher adsorption efficiency phenol.