PREPARATION AND CHARACTERIZATION OF ACTIVATED CARBON FROM SOLID WASTE FOR THE REMOVAL OF ACID RED DYE FROM ITS AQUEOUS SOLUTIONP. MEENA SUNDARI AND T. MEENAMBAL
Activated carbon is employed for water treatment because of its porous nature which could be enhanced by various treatments. Putrescible vegetable waste (PVW), a solid waste was collected from various sources and was converted into activated carbon using physical and chemical processes like pyrolysis, impregnation of raw material with H 3PO 4, H 2SO 4 and ZnCl 2 solution followed by activation at 800 0 C. The physico-chemical characteristics of all activated carbons such as pH, pH ZPC , electrical conductivity, moisture content, ash content, volatile content, fixed carbon, bulk density, specific gravity, porosity, surface area, methylene blue number and iodine number were investigated. Surface area analysis was done using BET isotherm under N2 atmosphere.Spectral analysis was done using FTIR and XRD spectra. Surface morphology was studied using SEM and SEM EDX. Results concluded that phosphoric acid impregnated activated carbon (PAAC) could be a better quality adsorbent due to its highest surface area and other relative physico-chemical parameters. Adsorption studies were conductedfor the removal of acid red (AR) dye using PAAC. The results revealed that PAAC is suitable for the removal of AR from its aqueous solution.
Enter your contact information below to receive full paper.