Activated and nonactivated forms of zinc powder: reactivity toward chlorocarbons in water and AFM studies of surface morphologies

Article Abstract:

Investigations into the potential of zinc metal as an effective reagent for the decontamination of groundwater polluted with chlorocarbons showed that cryochemically activated zinc can effect the conversion of carbon tetrachloride into methane. Cryochemically activated zinc can convert 20% of the initial carbon tetrachloride concentration into methane in about two and a half hours. Sequential reductive dechlorination is the pathway believed to be followed by the conversion of chlorocarbons into methane.

Water Pollution, Research, Usage, Zinc, Zinc (Metal), Aquifers, Carbon tetrachloride

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Aerosol size distributions of polycyclic aromatic hydrocarbons in urban and over-water atmospheres

Article Abstract:

Polycyclic aromatic hydrocarbons (PAHs) are suspected to be carcinogenic when in small particles. Particle size is also particularly relevant to PAH behavior in the atmosphere. PAH particle atmospheric distribution is measured over Lake Michigan and urban Chicago in July 1994 and January 1995.

United States, Science & research, Pollutants produced & recycled, Hydrocarbon Pollutants NEC, Statistical Data Included, Reports, Pollution, Chicago, Illinois, University of Maryland, Hydrocarbon pollutants, Polycyclic aromatic hydrocarbons, Lake Michigan

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