INVESTIGATION ON THE HYDROGEOCHEMISTRY OF SOME TOXIC ELEMENTS IN SEWAGE OF ZARAND COAL-WASHING PLANT AND REMEDIATION STRATEGIES

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HAMZEH M.A.; ZARISFI A.R.

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Journal: JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY) Year:2010 | Volume:6 | Issue:3 Page(s): 0-0

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Title

INVESTIGATION ON THE HYDROGEOCHEMISTRY OF SOME TOXIC ELEMENTS IN SEWAGE OF ZARAND COAL-WASHING PLANT AND REMEDIATION STRATEGIES

Author(s)

HAMZEH M.A. | ZARISFI A.R. | Issue Writer Certificate

Keywords

COAL-WASHINGQ2

REMEDIATIONQ3

POLLUTIONQ2

TOXIC ELEMENTSQ3

ZARANDQ2

Abstract

In this investigation, concentration and mobilization variability of some TOXIC ELEMENTS in sewage of ZARAND coalwashing plant were studied to assess the degree of POLLUTION as a consequence of this plant. Water samples were collected in June, November, January and February from entrance and exit water in addition to Akbarabad sump water and analyzed by FLAA for Ag, B, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb and Zn. From this study, it was possible to observe that the concentration of most elements increased highly after leaving the COAL-WASHING plant and in the Akbarabad sump water that indicated entrance of pollutants from this plant. Concentration of the elements in the sump of sewage was relatively lower than in the exit water that was due to adsorption of these elements by coal particles, Fe-Mn hydroxides, clay minerals and algae existing in that sump. Also, observations showed that the concentration of all of the TOXIC ELEMENTS in hot months was higher than cold months by reason of increasing solubility of the elements, decreasing pH of sump water (because of decrease in solubility of Ca-Mg carbonates and sulphates), increasing evaporation and decreasing rainfall and runoff to the sump. Concentration of most TOXIC ELEMENTS in the sewage of the sump was higher than recommended maximum concentrations of toxic trace elements in irrigation water. REMEDIATION methods such as increasing pH, aeration and using colloids were proposed to decrease the levels of the elements in the Akbarabad sump water.

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APA: Copy

HAMZEH, M.A., & ZARISFI, A.R.. (2010). INVESTIGATION ON THE HYDROGEOCHEMISTRY OF SOME TOXIC ELEMENTS IN SEWAGE OF ZARAND COAL-WASHING PLANT AND REMEDIATION STRATEGIES. JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY), 6(3), 0-0. SID. https://sid.ir/paper/391874/en

Vancouver: Copy

HAMZEH M.A., ZARISFI A.R.. INVESTIGATION ON THE HYDROGEOCHEMISTRY OF SOME TOXIC ELEMENTS IN SEWAGE OF ZARAND COAL-WASHING PLANT AND REMEDIATION STRATEGIES. JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY)[Internet]. 2010;6(3):0-0. Available from: https://sid.ir/paper/391874/en

IEEE: Copy

M.A. HAMZEH, and A.R. ZARISFI, “INVESTIGATION ON THE HYDROGEOCHEMISTRY OF SOME TOXIC ELEMENTS IN SEWAGE OF ZARAND COAL-WASHING PLANT AND REMEDIATION STRATEGIES,” JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY), vol. 6, no. 3, pp. 0–0, 2010, [Online]. Available: https://sid.ir/paper/391874/en

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