Papita Das | Author | SciTechnol | Journal of Chemistry and Appl

Papita Das Author

swapnilaroy@gmail.com

Subjects of specialization
De-fluoridation, Activated bio-char, Thermodynamic

Affiliation
Department of Biological and Chemical Engineering, Hongik University, Sejong, South Korea

Biography

Papita Das; Department of Biological and Chemical Engineering, Hongik University, Sejong, South Korea. One of her references is, "Freundlich H (1906) Uber die adsorption in losungen (adsorption in solution). Z Phys Chem 57: 385-490."

Publications

Research Article Open Access

Assessment of De-fluoridation in Waste Water Using Activated Biochar: Thermodynamic and Kinetic Study

Author(s):

Swapnila Roy and Papita Das

Thermally treated domestic food waste is utilized to prepare biochar, followed by chemical activation to obtain activated bio-char (Biochar-act) which is used as de-fluoridating agent in contaminated water. The structural property of the synthesized activated bio-char is studied in detail. From continuous batch process , it is shown that efficiency of bio-char with lower degree of carbonization has remarkable properties of de-fluoridation. Here temperature, contact time and adsorbent dose , used as process parameters, have strong influence on fluoride uptake process. The adsorption equilibrium data are well fitted to the Langmuir isotherm model. Comparatively the data provided by pseudo-second-order kinetic model correlated better experimentally than pseudo-... view more»

DOI: 10.4172/2576-3954.1000102

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