Geochemical characterization of soil and water from a wastewater treatment plant in Gaza

Basem Shomar, G. Müller, A. Yahya

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The aim of the study was to determine the interaction between the natural geochemistry and the anthropogenic effects through trace element profiles in one of the environmentally significant areas of the Gaza Strip. Five boreholes were dug in the area of the Gaza wastewater treatment plant. The geology, mineralogy, and geochemistry of the soil profiles were studied, and the geochemistry of wastewater, sludge, soil, and groundwater was identified by several analytical techniques. The study introduced the environmental baselines and the infrastructure needed for further research for the first time: the natural infiltration potential, the artificial recharge, and the agricultural activities of water and wastewater. The results of the geochemical investigations confirmed that the upper 40 cm of soil was found to be the affected zone by wastewater and sludge. Among 26 elements analyzed, only a few metals (As, Cd, Cr, Hg, Zn, and to a lesser extent Pb) showed relevance from the human health point of view. The metal accumulations in the soils were characterized by a large spatial variability, with some "hot spots" of Cu and Zn reaching topsail concentrations of up to 240 and 2005 mg/kg, respectively. In spite of that, the results of the groundwater revealed that none of them was detected at con-centrations that exceeded the WHO (World Health Organization) standards. Moreover, it was shown that both anthropogenic activities as well as seawater intrusion caused the high levels of nitrate and salinity.

Original languageEnglish
Pages (from-to)309-327
Number of pages19
JournalSoil and Sediment Contamination
Volume14
Issue number4
DOIs
Publication statusPublished - 19 Jul 2005
Externally publishedYes

Fingerprint

geochemistry
Waste Water
wastewater treatment
Wastewater treatment
Geochemistry
wastewater
Soil
Soils
sludge
Wastewater
anthropogenic activities
Water
Groundwater
groundwater
Sewage
metals
saltwater intrusion
soil
artificial recharge
groundwater recharge

Keywords

  • Gaza
  • Geochemistry
  • Soil profile
  • Wastewater treatment plant

ASJC Scopus subject areas

  • Soil Science

Cite this

Geochemical characterization of soil and water from a wastewater treatment plant in Gaza. / Shomar, Basem; Müller, G.; Yahya, A.

In: Soil and Sediment Contamination, Vol. 14, No. 4, 19.07.2005, p. 309-327.

Research output: Contribution to journalArticle

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