Deloro Mine Remediation

Paper Summary:

This paper evaluates remediation technologies for arsenic contamination at the Deloro mine in Eastern Ontario, Canada. It first discusses a background of the site and contamination in the area. The paper then looks at the geology and hydrogeology of the site and the scope of the remediation project. Next, the paper focuses on the properties and health effects of arsenic contamination.

Table of Contents:
Introduction
Site
Background
Scope of the Project
Geology of the Deloro Site
Hydrogeology of the Deloro Site
Motivation for the Thesis
Arsenic
Chemistry
Health Effects
Sources
Motility In Groundwater

From the Paper:

"Arsenic is highly mobile in groundwater, largely due to oxidation processes. Aside from ease in traveling in slow moving streams. It is highly reactive and when settled in sediments can be re-released into the water column by chemical or physical activity. Arsenic released into surface water through the break down of arsenopyrite can result in higher concentrations in ground water. Groundwater with higher flow rates is especially prone to highly mobile forms of arsenics. Organic forms of arsenic can release highly mobile elemental arsenic into the water by means of oxidation and reduction reactions."

Sample of Sources Used:

• British Columbia Ministry of Environment. (2007) Arsenic in Groundwater. February 2007. http://www.env.gov.bc.ca/wsd/plan_protect_sustain/groundwater/library/ground_fact_she ets/pdfs/as(020715)_fin3.pdf
• CH2MHill.(2003) Deloro Mine Site Cleanup. Mine Area Rehabilitation Alternatives. Final Report. Ontario Ministry of the Environment. 2003. http://www.ene.gov.on.ca/envision/techdocs/4915e.pdf.
• Hurlbut, C. & Klein, C. (1985), Manual of Mineralogy, 20th ed., John Wiley & Sons, New York,
• Hwang, S. (2002). Point-of-Use Arsenic Removal from Drinking Water in Nepal Using Coagulation and Filtration. Unpublished Thesis. Massachusetts Institute of Technology.
• McAndrew, B.(1999) Ministry kept town in dark over arsenic, group says. Tuesday 11 June 1999 The Toronto Star, http://www.e-b-i.net/ebi/Deloro/articles/del990611.html

More papers on Deloro Mine Remediation:

• Research Paper # 110543 : "Deloro Mine"
• Research Paper # 110544 : "Arsenic Remediation Technologies"
• Term Paper # 109292 : "Arsenic Contamination at Deloro"

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