Contaminant uranium phases and leaching at the Fernald site in Ohio

Article Abstract:

Uranyl phosphate, uranium oxide and uranium metaphosphate were the major contaminant uranium phases identified at the Fernald site in Ohio. Chemical spills and the operation of an incinerator plant on the site caused the deposit of uranium particulates in the soils. Carbonate leaching in an oxygen environment has removed some of the uranium phases but no chemical remediation technologies succeeded in removing uranium metaphosphate. The uranium has been redistributed within the soil, apparently due to weathering.

Soils, Contamination, Uranium, Soil degradation, Fernald, Ohio

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Comprehensive approach toward understanding element speciation and leaching behavior in municipal solid waste incineration electrostatic precipitator ash

Article Abstract:

A comprehensive, multilevel approach is used for characterizing element speciation and leaching behavior in electrostatic precipitator ash from solid waste incinerators. The results showed that the use of neutron activation analysis, x-ray powder diffraction, scanning electron microscopy, x-ray microanalysis, Auger electron spectroscopy, secondary ion mass spectrometry and x-ray photoelectron spectroscopy was effective although it was expensive and time-consuming.

Incineration

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Electrostatic Precipitator as a Generator Rather Than a Remover of Small Droplets

Article Abstract:

Dutch researchers found that commercial parallel-plate two stage electrostatic precipitators (air purifier) actually produce submicron droplets (0.6 micrometer) rather than remove them from the air. Figures accompany the article.

Netherlands, Science & research, Product quality, Blowers and fans, Air Purification Equipment Manufacturing, Electric Housewares and Household Fan Manufacturing, Electric housewares and fans, Air Purifiers, Humidifiers Etc, Electrostatic Precipitators, Quality management, Pollution control industry, Industrial equipment and supplies industry, Industrial equipment industry, Heating, ventilation, and air conditioning industry, HVAC industry, Dust collectors, Housewares industry, Electrostatic separators

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