International Journal of Civil Engineering

, Volume 15, Issue 3, pp 441–449 | Cite as

Remediation of Sandy Soil Contaminated with Industrial Wastewater

Technical Note


The present study focuses on measuring the effects of industrial wastewater disposed from thermal electricity power plant as by-product on the geotechnical properties of sandy soil and applying washing process to remediate the contaminated soil samples and measure the efficiency of washing technique. The disturbed sandy soil samples were obtained from Al-Kufa City located to the southwest of Iraq and the industrial wastewater obtained from Al-Musayib thermal electricity power plant. The intact sandy soil was contaminated in the laboratory with four percentages of industrial wastewater (10, 20, 40 and 100%) calculated according to the weight of dry soil. The industrial wastewater is mixed with distilled water to constitute the solution used in the contamination process of soil through soaking the soil by this solution for 30 days. The study results showed that with increasing the percentages of the contaminant, there was a slight increase in both the liquid limit and particle size, while there was a significant increase in the optimum water content. Nevertheless, a slight decrease was observed in the specific gravity, maximum dry unit weight, and void ratio, while, a considerable decrease was noticed in the angle of the internal friction and coefficient of permeability of soil. The proposed remediation technique “soil washing” is efficient, economical, and time saving when used to remediate sandy soils. After remediation, the results showed an increase in the cohesion, angle of internal friction and maximum dry unit weight. Also, a slight increase was observed in the specific gravity, void ratio and permeability coefficient of remediated soil samples when compared with that of contaminated samples. The removal efficiencies of contaminant from soil were (97.63, 96.79, 96.58, and 93.87%) for the soil samples contaminated with industrial wastewater by (10, 20, 40 and 100%), respectively.


Contamination Remediation Industrial wastewater Geotechnical properties and sandy soil 


  1. 1.
    Reddi LN, Inyang HI (2000) Geo-environmental engineering. Marcel Dekker, Inc., New YorkGoogle Scholar
  2. 2.
    Rowe RK (2001) Geotechnical and geoenvironmental engineering handbook, Edited, Springer, New YorkGoogle Scholar
  3. 3.
    Raymond AW, Felix EO (2011) Heavy metals in contaminated soils: a review of sources, chemistry, risks and best available strategies for remediation. International Scholarly Research Network, ISRN. Ecology 2011(1):11–25Google Scholar
  4. 4.
    Ben Amor F (1990) Effect of oil contamination on the properties of sand. MSc Thesis, University of Ottawa, CanadaGoogle Scholar
  5. 5.
    Abdul Majeed MA, Maslehuddin M, Zubair SM, Al-Mana AI, Akbar M (1995) Effect of chloride–sulfate contamination on thermal and electrical properties of soil. In: 4th Saudi engineering conference, 1995, vol II, p 369–375Google Scholar
  6. 6.
    Shin EC, Lee JB, Das BM (1999) Bearing capacity of a model scale footing on crude oil-contaminated sand. Geotech Geol Eng 17:123–132CrossRefGoogle Scholar
  7. 7.
    Belardi G, Shehu N, Passeri L (2000) Soil washing for remediation of non volatile hydrocarbon polluted soils. Eur J Miner Process Environ Prot 2(1):11–25Google Scholar
  8. 8.
    Karkush MO, Zaboon AT, Hussein HM (2013) Studying the effects of contamination on the geotechnical properties of clayey soil. In: Coupled phenomena in environmental geotechnics. Taylor and Francis Group, London, p 599–607Google Scholar
  9. 9.
    Karkush MO, Abdul Kareem MS (2015) Behavior of pile foundation subjected to lateral cyclic loading in contaminated soils. J Civ Eng Res 5(6):144–150. doi: 10.5923/j.jce.20150506.03 Google Scholar
  10. 10.
    Falamaki A, Tavallali H, Eskandari M, Farahmand SR (2016) Immobilizing some heavy metals by mixing contaminated soils with phosphate admixtures. Int J Civ Eng 14(2):75–81. doi: 10.1007/s40999-016-0006-5 CrossRefGoogle Scholar
  11. 11.
    Asadollahfardi G, Rezaee M, Mehrjardi GT (2016) Simulation of unenhanced electrokinetic process for lead removal from kaolinite clay. Int J Civ Eng 14(4):263–270. doi: 10.1007/s40999-016-0049-7 CrossRefGoogle Scholar
  12. 12.
    Sharma HD, Reddy KR (2004) Geo-environmental engineering: site remediation, waste containment and emerging waste management technologies. Wiley, HobokenGoogle Scholar
  13. 13.
    USEPA report (1995) Survey of soil remediation technology.
  14. 14.
    USEPA report (2004) How to evaluate alternative clean-up technologies for underground storage tank sites: a guide for corrective action plan reviewers. EPA 510-R-04-002.
  15. 15.
    Riser-Roberts E (1998) Remediation of petroleum contaminated soil: biological, physical and chemical processes. Lewis Publishers, CRC Press Company, Boca RatonGoogle Scholar
  16. 16.
    ASTM standards (2003) Soil and rock; building; stone; peats. ASTM International, West ConshohockenGoogle Scholar
  17. 17.
    Head KH (2006) Manual of soil laboratory testing, 3rd edn, vol I. Whittles Publishing, ScotlandGoogle Scholar
  18. 18.
    Head KH (1994) Manual of soil laboratory testing, 2nd edn, vol II. Wiley, New YorkGoogle Scholar
  19. 19.
    Head KH (1998) Manual of soil laboratory testing, 2nd edn, vol III. Wiley, ChichesterGoogle Scholar

Copyright information

© Iran University of Science and Technology 2017

Authors and Affiliations

  1. 1.Department of Civil EngineeringUniversity of BaghdadBaghdadIraq

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