Abstract
Advancement in technologies triggered the use of nanomaterials to clean water bodies due to their unique features. Graphene oxide (GO) was most abundantly explored due to presence of several functional groups and large surface area. In the present study, GO was synthesized using improved hummer’s method and composite of GO with activated carbon (AC) was prepared (GO@AC) and further GO was characterized using FTIR, XRD, SAED and HRTEM. To optimise various adsorption variables, batch mode experiments were performed for removal of methylene blue (MB) and methyl orange (MO). GO & GO@AC yield an efficacy of 276.5 & 423.15 mg/g for MB removal and 220 and 346.51 mg/g for MO removal, respectively. All process followed pseudo second order kinetic model while adsorption. Freundlich isotherm model was best fitted to all the adsorption processes except adsorption of MB dye on GO@AC. Regeneration efficiency of GO@AC was also good i.e 92/85% removal for MB/MO respectively. The thermodynamic parameter values illustrated the feasibility and spontaneity of process. Real water analysis of adsorbents for removal of MB/MO proved that the adsorbents can be used in actual system for removal application.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
