Xu, J. 2018. Remediation of mercury contaminated soil and biological mercury methylation in the landscape. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1643. 57 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91-513-0267-6. Accumulation of mercury (Hg) in soil originating from both natural and anthropogenic sources poses a major hazar...

OBJECTIVE To evaluate whether shoe-wearing affords foot protection among school children living in southern Ethiopia. METHODS Data collectors conducted a standardized foot assessment with children in an elementary school in southern Ethiopia (N=168). RESULTS 54% reported wearing shoes consistently in the prior three days. Children wearing closed-toed shoes showed less adherent soil and toe ...

The effects of the washing process, purging solution, and buoyance force (inclined topography action) on effectivity electro-kinetic method used to remediate a silty clay loam natural soils contaminated with Zn, Pb and/or Ni were investigated by applying 12 different experiments. results revealed that process can cause small increase in Zn removal efficiency (? 31%) when compared non-washing ap...

A comparative assessment was carried out of the technical/environmental sustainability of five different contaminated land remediation projects completed in the UK between 1997 and 2002. The remediation technologies employed in those projects were in situ stabilisation/solidification, soil washing, ex situ bioremediation, cover system, and excavation and disposal to landfill. A further objectiv...

This project was an evaluation of theBioTro1, Inc. soil Washing System (BSWS), consisting of a proprietary mechanical soil washer and separation system, a Slurry BioReactor (SBR) provided by EIMCO Process Equipment Co., and BioTrol’s proprietary Aqueous Treatment System (BATS), a fixed-film, aerobic biological treatment process. In this study, both biological processes use bacterial populations...

The importance of hands in the transmission of soil transmitted helminths, especially Ascaris and Trichuris infections, is under-researched. This is partly because of the absence of a reliable method to quantify the number of eggs on hands. Therefore, the aim of this study was to develop a method to assess the number of Ascaris eggs on hands and determine the egg recovery rate of the method. Un...

The anecic earthworm Lumbricus terrestris L. was kept in laboratory microcosms containing beech forest soil without litter, with beech leaf litter or with lime leaf litter. The structure of microfungal communities in soil, litter and fresh and aged (100 days) earthworm faeces was analysed using the washing and plating technique. The passage of mineral soil through the gut of L. terrestris affec...