UGC Approved Journal no 63975

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 6 Issue 6
June-2019
eISSN: 2349-5162

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

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Published Paper ID:
JETIRDH06019


Registration ID:
222803

Page Number

118-130

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Title

Column operations for sorption of chromium and lead from aqueous solution using industrial wastes

Abstract

The rotary kiln waste (dolochar) generated in sponge iron plants has been converted into a low-cost adsorbent by heat activation for the removal of chromium and lead from aqueous solution. The effects of pH, sorbent dosage, adsorbate concentration, temperature, and contact time on the sorption of both the metal ions were studied in batch experiments. Kinetic studies were also conducted to have an idea on the sorption mechanism of the process. The uptake of lead was found to be more than that of chromium. Adsorption on dolochar followed Freundlich isotherm. The kinetics of the Cr (VI) and Pb (II) adsorption on the kiln waste was found to follow a pseudo second-order rate equation. It was observed that the sorption process was spontaneous and adsorbents is suitable for sorption of Pb(II) and Cr(VI). In addition, fixed-bed studies were performed to simulate real-life conditions. The experiments were also performed to regenerate the column by 0.2N HNO3 for lead-dolochar system and 0.5M NaOH for chromium-dolochar system for reuse.

Key Words

Adsorption; Dolochar; Isotherms; Column study; Breakthrough curve

Cite This Article

"Column operations for sorption of chromium and lead from aqueous solution using industrial wastes ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.118-130, June 2019, Available :http://www.jetir.org/papers/JETIRDH06019.pdf

ISSN


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

Cite This Article

"Column operations for sorption of chromium and lead from aqueous solution using industrial wastes ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp118-130, June 2019, Available at : http://www.jetir.org/papers/JETIRDH06019.pdf

Publication Details

Published Paper ID: JETIRDH06019
Registration ID: 222803
Published In: Volume 6 | Issue 6 | Year June-2019
DOI (Digital Object Identifier):
Page No: 118-130
Country: -, -, - .
Area: Engineering
ISSN Number: 2349-5162


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