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Journal of Applied Sciences
  Year: 2007 | Volume: 7 | Issue: 17 | Page No.: 2519-2522
DOI: 10.3923/jas.2007.2519.2522
 
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Effect of Industrial Effluents of Zob-Ahan on Soil, Water and Vegetable Plants

Hamid Reza Rahmani and Mosleheddin Rezaei

Abstract:
Monitoring harmful chemicals especially heavy metals in industrial effluent for prevention and degradation of natural resources are required. The Effluent Water (EW) of Zob-Ahan (steel industrial complex), were seasonally collected, three times during 48 h period. The soils, well-water and vegetable plant samples were collected in land irrigated with EW and soil in adjacent virgin lands. The EW EC, TDS, BOD, COD, sulfate, chloride, bicarbonate, N-NO3 and Cd, Co and Cr were above permissible limit, for wells water in the down side of evaporation ponds EC, TDS, N-NO3, sulfate, chloride, bicarbonate and concentration of Cu, Co, Fe and Cr were above permissible limit and the soils treated with EW Zn, Mn and Cd concentration were in critical range. Soils irrigated with EW had higher OC content and available concentration of Cd, Fe, Cu, Mn, Zn and Pb compared to control sample (adjacent virgin land). In vegetable plants, all measured heavy metals concentration (except Cu content in Taree Irani that was in critical rang) was in normal range. The heavy metals concentration in unwashed plant samples were higher than washed ones. The results showed that Zob-Ahan EW has limitation for application as irrigation water, discharge into surface and subsurface water. Therefore, the EW, should properly be treated before discharging into environment. The heavy metals in soil and well-water affected by EW and irrigated plants with EW should regularly and closely be monitored.
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How to cite this article:

Hamid Reza Rahmani and Mosleheddin Rezaei , 2007. Effect of Industrial Effluents of Zob-Ahan on Soil, Water and Vegetable Plants. Journal of Applied Sciences, 7: 2519-2522.

DOI: 10.3923/jas.2007.2519.2522

URL: https://scialert.net/abstract/?doi=jas.2007.2519.2522

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