Combined chemical and phytostabilization

Field application

Viktoria Feigl, Attila Anton, Ferenc Fekete, K. Gruiz

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The innovative technology of combined chemical and phytostabilization is planned to be applied to the diffusely polluted area in Gyöngyösoroszi (Hungary), which is heavily polluted with toxic metals, such as Zn, Pb, Cd, Cu and As, due to former mining. To select the most suitable chemical stabilizer and plant combination for the soil and mining waste materials, field experiments using fly-ash and its combination with lime were performed in Gyöngyösoroszi. A grass mixture and two Sorghum species were tested. The stabilization of metals was monitored by covering the main transport routes, such as leaching by drainage water, plant uptake and erosion. An integrated methodology was applied, and the results of chemical analysis and toxicity testing were evaluated together. Regular soil, leachate and plant sampling and analysis were carried out during one season. The field experiments proved the efficiency of a fly-ash and lime combination together with the vegetation in controlling leaching, erosion and plant uptake. The amount of toxic metals in the collected drainage water decreased by 85-99% similarly to the water-extractable amount in the soil. The toxicity of both water and soil decreased due to the treatment, and healthy vegetation was established on the treated sites.

Original languageEnglish
Pages (from-to)577-584
Number of pages8
JournalLand Contamination and Reclamation
Volume17
Issue number3-4
DOIs
Publication statusPublished - 2009

Fingerprint

Soils
drainage water
Fly ash
Lime
fly ash
Leaching
Drainage
lime
Toxicity
Water
Erosion
soil
Metals
leaching
toxicity
erosion
vegetation
sorghum
chemical analysis
leachate

Keywords

  • Combined chemical and phytostabilization
  • Fly-ash
  • Phytoremediation
  • Phytostabilization
  • Soil
  • Stabilization
  • Toxic metals

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Water Science and Technology
  • Environmental Science(all)

Cite this

Combined chemical and phytostabilization : Field application. / Feigl, Viktoria; Anton, Attila; Fekete, Ferenc; Gruiz, K.

In: Land Contamination and Reclamation, Vol. 17, No. 3-4, 2009, p. 577-584.

Research output: Contribution to journalArticle

Feigl, Viktoria ; Anton, Attila ; Fekete, Ferenc ; Gruiz, K. / Combined chemical and phytostabilization : Field application. In: Land Contamination and Reclamation. 2009 ; Vol. 17, No. 3-4. pp. 577-584.
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