ADSORPTION OF A PAPER INDUSTRY DYE MALACHITE GREEN) USING MnO₂-GO NANOCOMPOSITE

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AKÇAĞLAR S.

FRESENIUS ENVIRONMENTAL BULLETIN, vol.31, no.9, pp.9812-9820, 2022 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 31 Issue: 9
• Publication Date: 2022
• Journal Name: FRESENIUS ENVIRONMENTAL BULLETIN
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Aerospace Database, Aqualine, Aquatic Science & Fisheries Abstracts (ASFA), CAB Abstracts, Chemical Abstracts Core, Communication Abstracts, Environment Index, Geobase, Greenfile, Metadex, Pollution Abstracts, Veterinary Science Database, Civil Engineering Abstracts
• Page Numbers: pp.9812-9820
• Dokuz Eylül University Affiliated: Yes

Abstract

In this research, MnO2-GO nanocomposite is synthesized under laboratory conditions and it was to take the Malachite Green (MG) dye-from a raw paper industry wastewater. XRD, HR-TEM and FT-IR analysis showed that the produced MnO2 peak located belong to GO and this is attributed to 2 theta=10 au. FT-IR analysis showed that MnO2-GO nanocomposite has some oxygenated and stretching groups like Mn-O, O-H, C=C, C-O-C. The maximum MG adsorption capacity was detected to be 90% with an at optimum adsorption time of 18 min at a MG dye concentration of 18 mg/L with 10 mg/L MnO2-GO nanocomposite. The maximum sorption loading was recorded as 3.8 mg/g at 18 mg/L Malachite Green dose at a temperature of 21 degrees C. Among the kinetic applied to the adsorption data it was found that the MG was adsorbed to MnO2-GO nanoparticle according to Intra-particle diffusion model with q=11.01 mg/g, and k(1)=0.085 1/min.