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Published in:

Volume 5 Issue 10
October-2018
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1810960


Registration ID:
190995

Page Number

403-417

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Title

STUDIES ON BIOSORPTION OF RICINUS COMMUNIS POWDER FOR THE REMOVAL OF CONGO RED DYE

Abstract

The present investigation is on the removal of Congo red dye from aqueous solutions using Ricinus Communis leaf powder as a biosorbent. The cumulative effects of operating parameters such as biosorbent size, dye concentration, pH of the solution, biosorbent dosage and temperature on the dye biosorption were analyzed using Response Surface Methodology (RSM). For obtaining the mutual interaction between the variables and optimizing these variables a Central Composite Design was utilized. According to ANOVA results, the proposed model for CCD was in suitable accordance with the experimental data. Characterization studies comprising of Fourier Transform Infrared Spectroscopy (FTIR) and Scanning Electron Microscope (SEM) analysis was performed to verify the investigation. Experimentally the optimal set of conditions for maximum percentage biosorption of congo red dye is found to be at biosorbent size= 53 µm, pH= 3, biosorption dosage (w) = 30 g/L, initial dye concentration (Co) = 20 mg/L and temperature=303 K and the biosorption calculated at these values was found to be 89%. The Freundlich isotherm fitted well with a correlation factor followed by Langmuir and Temkin. The entire biosorption process followed pseudo second order kinetics. By applying the Van’t Hoff equation the thermodynamic parameters such as enthalpy (ΔH), entropy (ΔS) and free energy (ΔG) were evaluated which described the biosorption process as spontaneous, irreversible and endothermic in nature. The optimized values obtained through central composite design and one factor at a time process is in good agreement.

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"STUDIES ON BIOSORPTION OF RICINUS COMMUNIS POWDER FOR THE REMOVAL OF CONGO RED DYE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 10, page no.403-417, October-2018, Available :http://www.jetir.org/papers/JETIR1810960.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

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"STUDIES ON BIOSORPTION OF RICINUS COMMUNIS POWDER FOR THE REMOVAL OF CONGO RED DYE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 10, page no. pp403-417, October-2018, Available at : http://www.jetir.org/papers/JETIR1810960.pdf

Publication Details

Published Paper ID: JETIR1810960
Registration ID: 190995
Published In: Volume 5 | Issue 10 | Year October-2018
DOI (Digital Object Identifier):
Page No: 403-417
Country: Hyderabad, Telangana, India .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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