Carbon Aerogels Particle Electrodes for Treatment of the Aqueous Phase Electro-catalytic Oxidation of Simulated Phenol Wastewaters

The feasibility of using carbon aerogels(CAs) as bed electrodes in a threedimensional electrode reactor for the electrochemical treatment was studied.It was found that the removal efficiency depended on the airflow,pH,the feed phenol concentration and the ratio of aerogels mass to solution volume.Compared with commercial carbon particle electrodes,the electrodes prepared by CAs exhibited stronger activity to remove phenol simulated wastewater.97^5% of the initial phenol can be removed after treatment for 20 min,the concentration is as low as 4 mg/L.Moreover,removal efficiency can be kept basically as high as 80% after being reused 50 times.