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Research ArticleOpen Access

Methylene Blue Adsorption onto Surface Modified Beli (Aegle Marmelos) Fruit Shell Biochar

Volume 11 - Issue 5

Perera NW PS1, Herath AC2, Gunathilake C*3, Fernando CA N1,4 and Kalpage CS3

  • Author Information Open or Close
    • 1Department of Electronics, Faculty of Applied science,wayamba university of sri lanka, Kuliyapitiya, sri Lanka
    • 2Department of Physical Science, Faculty of Applied Sciences, Rajarata University of Sri Lanka, Mihinthale, Sri lanka
    • 3Department of Chemical & Process Engineering, Faculty of Engineering,University of Peradeniya, Peradeniya, Sri Lanka
    • 4Nano-technology Research Laboratory, Department of Nano Science & technology, Faculty of Applied Science,Wayamba University of Sri Lanka, Kuliyapitiya, Sri Lanka
    • *Corresponding author: Gunathilake C, Department of Chemical & Process Engineering, Faculty of Engineering, Peradeniya, Sri Lanka, India

Received: November 21, 2018;   Published: December 06, 2018

DOI: 10.26717/BJSTR.2018.11.002152

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Abstract

Contamination of water bodies from toxic substances pose serious health issues, hence there has been an increasing demand for efficient and low-cost purification technologies. Activated carbon materials, in this respect are of great promise for efficient removal of dyes and heavy metals from contaminated water. The Beli Fruit Shell Activated Charcoal (BFAC) was prepared from low-cost cellulose material of beli fruit shell by one step pyrolysis at a low-temperature profile. The prepared BFBC was characterized by SEM, EDX, TGA and FTIR analysis. BET surface area analysis by N2 adsorption method yielded values of micropore volume, total pore volume, and surface area as 0.16 cm3/g, 0.42 cm3/g, and 517 m2/g, respectively. The batch type experiment was carried out to explore Methylene Blue (MB) uptake by BFAC. The influence of physio-chemical parameters such as contact time, initial dye concentration, dosage and pH of dye solution was studied. The equilibrium data tend to fit Langmuir isotherm. Kinetic studies represented that the chemisorption process follows second -order rate kinetics model. It was found that BFAC adsorbs significantly large amount of methylene blue dye (12.32 mg per 1g of adsorbent). Due to the high methylene blue dye sorption capacity, reusability, thermal stability, relatively low cost of starting materials and simple synthesis route justify BFAC composite as a potential and effective candidate for the removal of organic dyes from waste water at ambient temperature.

Keywords : Belifruit Shell Biochar; Adsorption; BET; Isotherm; Kinetics; One step pyroly

Introduction| Experimental| Results and Discussion| Conclusion| Acknowledgement| References|