Organic aerosols in urban and waste landfill of Algiers metropolitan area: occurrence and sources

Article Abstract:

The role of polycyclic aromatic hydrocarbons (PAHs) in the air pollution of Algiers, Algeria, is discussed in detail, including sources of the contaminants and concentrations in relation to temperature and dispersion. Sources include a municipal landfill at Oued Smar and a sharp increase in automobile usage in the city. The authors chart the analytic procedure for sample testing, and graph the concentrations of particulate organic matter.

Motor vehicles and car bodies, Automobiles, Automobile Manufacturing, Algeria, Algiers, Algeria

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Carbonyl sulfide derived from catalytic oxidation of carbon disulfide over atmospheric particles

Article Abstract:

The effect of atmospheric particles on carbon disulfide is simulated with a reactor, and measured with FT-IR, mass spectrometry. With particle oxidation, the carbon disulfide is found to form carbonyl sulfide and elemental sulfur.

China, All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Chemical and fertilizer mining, not elsewhere classified, Sulfur, Other Chemical and Fertilizer Mineral Mining, Particulate Pollutants, Carbon Disulfide, Chemical industry

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Behavior of hexavalent chromium in a polluted groundwater: Redox processes and immobilization in soils

Article Abstract:

Groundwater and soil analyses of an industrial waste landfill indicate that a slag heap, consisting mainly of mill tailings, is the main source of chromium. Downstream movement of hexavalent chromium (Cr(IV)) is limited by a redox mechanism involving chromate ions and ferrous ions in the groundwater. The transport and reduction of hexavalent chromium in the soils of the landfill are described.

Europe, Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Water Pollution, Pollutants produced & recycled, Chromium, Chromium (Metal)

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