Search Results - "Zagury, Gérald J."

Characterization and availability of cyanide in solid mine tailings from gold extraction plants by Zagury, Gérald J., Oudjehani, Kahina, Deschênes, Louise

“…The aim of this study was to investigate the availability and fate of cyanide in gold mill solid tailings. For this purpose, aged (6–9 years) and recently…”
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Determination of point of zero charge of natural organic materials by Bakatula, Elisee Nsimba, Richard, Dominique, Neculita, Carmen Mihaela, Zagury, Gerald J.

“…This study evaluates different methods to determine points of zero charge (PZCs) on five organic materials, namely maple sawdust, wood ash, peat moss, compost,…”
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Partitioning and speciation of chromium, copper, and arsenic in CCA-contaminated soils: influence of soil composition by Balasoiu, Cristina F, Zagury, Gérald J, Deschênes, Louise

“…This study focused on the influence of soil composition and physicochemical characteristics on the retention and partitioning of Cu, Cr and As in nine…”
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Multiple factor design for reactive mixture selection for use in reactive walls in mine drainage treatment by Cocos, Ioana A, Zagury, Gérald J, Clément, Bernard, Samson, Réjean

“…Sulfate-reducing reactive walls installed in situ in the path of acid mine drainage contaminated groundwater, present a promising passive treatment technology…”
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Passive treatment of acid mine drainage in bioreactors using sulfate-reducing bacteria: critical review and research needs by Neculita, Carmen-Mihaela, Zagury, Gérald J, Bussière, Bruno

“…Acid mine drainage (AMD), characterized by low pH and high concentrations of sulfate and heavy metals, is an important and widespread environmental problem…”
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Recovery and reuse of sludge from active and passive treatment of mine drainage-impacted waters: a review by Rakotonimaro, Tsiverihasina V., Neculita, Carmen Mihaela, Bussière, Bruno, Benzaazoua, Mostafa, Zagury, Gérald J.

“…The treatment of mine drainage-impacted waters generates considerable amounts of sludge, which raises several concerns, such as storage and disposal,…”
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Removal efficiency of As(V) and Sb(III) in contaminated neutral drainage by Fe-loaded biochar by Calugaru, Iuliana Laura, Neculita, Carmen Mihaela, Genty, Thomas, Zagury, Gérald J.

“…Performance of raw and two Fe-loaded biochars, produced either by evaporation (E-product, 26.9% Fe) or precipitation (P-product, 12.6% Fe), was evaluated in…”
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Contamination by Ten Harmful Elements in Toys and Children’s Jewelry Bought on the North American Market by Guney, Mert, Zagury, Gerald J

“…Toys and children’s jewelry may contain metals to which children can be orally exposed. The objectives of this research were (1) to determine total…”
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Heavy Metals in Toys and Low-Cost Jewelry: Critical Review of U.S. and Canadian Legislations and Recommendations for Testing by Guney, Mert, Zagury, Gerald J

“…High metal contamination in toys and low-cost jewelry is a widespread problem, and metals can become bioavailable, especially via oral pathway due to common…”
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Metals and metalloids treatment in contaminated neutral effluents using modified materials by Calugaru, Iuliana Laura, Neculita, Carmen Mihaela, Genty, Thomas, Zagury, Gérald J.

“…Circumneutral surface water and groundwater can contain hazardous concentrations of metals and metalloids that can threaten organisms in surrounding…”
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Incorporating oral, inhalation and dermal bioaccessibility into human health risk characterization following exposure to Chromated Copper Arsenate (CCA)-contaminated soils by Marin Villegas, Carlos A., Zagury, Gerald J.

“…Exposure to potentially toxic metal(loid)s (PTMs) in soil may happen via ingestion, inhalation, and dermal pathway. A more accurate risk characterization…”
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Modeling of the clogging in a MgO column used to treat a Ni- and Co-contaminated water and performance prediction for a centripetal radial column by de Repentigny, Carl, Zagury, Gérald J., Courcelles, Benoît

“…A geochemical model was established to predict the chemical and hydraulic performances of MgO columns used to treat a nickel- and cobalt-contaminated…”
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Removal of nickel from neutral mine drainage using peat-calcite, compost, and wood ash in column reactors by Richard, Dominique, Neculita, Carmen Mihaela, Zagury, Gérald J.

“…The effectiveness of compost, peat-calcite, and wood ash to remove Ni from a circum-neutral-contaminated mine water was tested in continuous flow experiments…”
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Pilot-Scale Removal of Metals from Iron-Rich Contaminated Groundwater Using Phosphorylated Lignocellulosic Fibers by Gagnon-Poirier, Stéphany, Zagury, Gérald J., Robert, Thomas, Courcelles, Benoît

“…The performance of the phosphorylated lignocellulosic fiber (PLF) was assessed for metal removal in an acidic mine drainage (AMD) influent at pilot scale and…”
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Performance assessment of laboratory and field-scale multi-step passive treatment of iron-rich acid mine drainage for design improvement by Rakotonimaro, Tsiverihasina V., Neculita, Carmen Mihaela, Bussière, Bruno, Genty, Thomas, Zagury, Gérald J.

“…Multi-step passive systems for the treatment of iron-rich acid mine drainage (Fe-rich AMD) perform satisfactorily at the laboratory scale. However, their…”
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Bioaccessibility of As, Cd, Cu, Ni, Pb, and Sb in Toys and Low-Cost Jewelry by Guney, Mert, Zagury, Gerald J

“…Children can be exposed to toxic elements in toys and jewelry following ingestion. As, Cd, Cu, Ni, Pb, and Sb bioavailability was assessed (n = 24) via the in…”
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Bioaccessibility and other key parameters in assessing oral exposure to PAH-contaminated soils and dust: A critical review by Guney, Mert, Zagury, Gérald J.

“…Soil ingestion is an important pathway for human exposure to polycyclic aromatic hydrocarbon (PAH)-contaminated soils and dust for children (via ingesting hand…”
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Removal and Recovery of Ni and Zn from Contaminated Neutral Drainage by Thermally Activated Dolomite and Hydrothermally Activated Wood Ash by Calugaru, Iuliana Laura, Neculita, Carmen Mihaela, Genty, Thomas, Zagury, Gérald J.

“…Raw and activated dolomite or wood ash were comparatively evaluated in column reactors for the simultaneous removal of Ni and Zn in synthetic contaminated…”
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Performance of passive systems for mine drainage treatment at low temperature and high salinity: A review by Ben Ali, Houssem E., Neculita, Carmen M., Molson, John W., Maqsoud, Abdelkabir, Zagury, Gérald J.

“…•Low temperature and high salinity characterize mine drainage in northern climate.•Passive (bio)-chemical treatment of mine drainage is challenging in northern…”
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Spent MgO-carbon refractory bricks as a material for permeable reactive barriers to treat a nickel- and cobalt-contaminated groundwater by de Repentigny, Carl, Courcelles, Benoît, Zagury, Gérald J.

“…Spent magnesia (MgO)-carbon refractory bricks were repurposed as a permeable reactive barrier reactive media to treat a nickel (5 mg l −1 )- and cobalt…”
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