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Number of results
2012 | 14 | 2 | 35-41

Article title

Performance analysis of cation and anion exchangers in water treatment plant: an industrial case study

Content

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Languages of publication

EN

Abstracts

EN
Performance of cation and anion exchangers was evaluated by carrying out breakthrough analyses of pH, conductivity, free mineral acid (FMA) and various dissolved solids for an industrial water treatment plant of 700 gpm capacity. The breakthrough curves showed no leakage of calcium, magnesium and chloride throughout the operating period of the train, however, they indicated the early leakage of sodium, potassium, sulphate and silica. The operating/breakthrough capacity, total capacity and degree of column utilization were determined. The column utilization was found to be 67.85%, 38.93% and 16.78% against the design values of 90%, 85% and 85% for cation, primary and secondary anion exchangers respectively. The operating time of the water treatment train was significantly increased by achieving adequate capacity utilization of secondary anion exchanger. The low capacity utilization of secondary anion resin due to early silica slippage, has been discussed in the paper.

Publisher

Year

Volume

14

Issue

2

Pages

35-41

Physical description

Dates

published
1 - 1 - 2012
online
2 - 7 - 2012

Contributors

author
  • Department of Chemical Engineering, University of Engineering and Technology Lahore, Pakistan
author
  • Department of Chemical Engineering, University of Engineering and Technology Lahore, Pakistan
author
  • Department of Chemical Engineering, University of Engineering and Technology Lahore, Pakistan
  • Dawood Hercules Chemicals Limited, Lahore, Pakistan
author
  • Dawood Hercules Chemicals Limited, Lahore, Pakistan

References

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  • Ahmed, R.A, Ahmad, A., Omar, M. & Kadir, A. (2008). Studies on Breakthrough Lime of Strong Cation Exchange Resin in a Water Treatment Plant, 28-30 May 2008 (pp 880-885), penang, Malaysia, ICERT,.
  • Vermeulen, T. & Huffman, E. H. (1953). Ion Exchange Column Performance Hydrogen Cycle Rates in Nonaqueous Solvents, Ind. Eng. Chem. 45(8), 1658-1664. DOI: 10.1021/ie50524a024.[Crossref]
  • Frisch, N. & Kunin, R. (1957). Long-Term Operating Characteristics of Anion Exchange Resins, Ind. Eng. Chem. 49(9), 1365-1372. DOI: 10.1021/ie50573a028.[Crossref]
  • Helfferich, F. (1962). Ion Exchnage, Mc Graw Hill, New Ýork, 424.
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  • Ning, R. Y. (2002). Discussion of silica speciation, fouling, control and maximum reduction, Desalination. 151, 67-73 Doi.10.1016/S0011916402009736.[Crossref]
  • Ali, M. B. S., Hamrounl, B., Bouguecha, S. & Dhahbi, M. (2004). Silica removal using ion-exchange resins, Desalination. 167, 273-279, doi/10.1016/j.desal.2004.06.136.[Crossref]

Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_v10026-012-0068-3
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