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Synthesis of high surface area activated carbon from eucalyptus bark for the removal of methylene blue

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Title Statement Synthesis of high surface area activated carbon from eucalyptus bark for the removal of methylene blue
 
Added Entry - Uncontrolled Name Yadav, Shailesh Kumar; Advanced Carbon Products and Metrology, Advanced Materials and Devices Metrology CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi-110 012, India
Subhedar, Kiran Mahadeo; Advanced Carbon Products and Metrology, Advanced Materials and Devices Metrology CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi-110 012, India
Dhakate, Sanjay Ranganth; Advanced Carbon Products and Metrology, Advanced Materials and Devices Metrology CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi-110 012, India
Singh, Bhanu Pratap; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002, India
 
Uncontrolled Index Term Activated carbon, Methylene blue, Adsorption, Isotherm, Kinetics
 
Summary, etc. <p class="Abstract"><span lang="EN-GB">In present study, high surface area (1852m<sup>2</sup>g<sup>−1</sup>) activated carbon was synthesized by single step thermo chemical activation of agro-waste lignocellulose biomass (eucalyptus bark).The synthesized activated carbon has been characterized using scanning electron microscopy, energy-dispersive-X-ray spectroscopy and BET surface area analyser. The eucalyptus bark derived activated carbon (EBAC) was used to remove methylene blue (MB) from waste water. The pH, contact time and concentration of dye were optimized and it was found that at pH of 5.5-6.5 at the room temperature, maximum removal of dye was observed. The obtained time data follows the pseudo second order kinetics. The effect of concentration study was carried out with varying concentration at optimized pH and time. The maximum adsorption capacity is obtained to be 7.15 mg/g. To understand the adsorption process, the Dubinin–Radushkevich (D–R) isotherm and Freundlich isotherm were used for fitting of equilibrium data. The fitted data follows D-R isotherm which reveals the physisorption process during adsorption of dye.</span></p><br />
 
Publication, Distribution, Etc. Indian Journal of Engineering and Materials Sciences (IJEMS)
2021-03-24 10:24:59
 
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http://op.niscair.res.in/index.php/IJEMS/article/view/46844
 
Data Source Entry Indian Journal of Engineering and Materials Sciences (IJEMS); ##issue.vol## 27, ##issue.no## 6 (2020): IJEMS- DECEMBER 2020
 
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