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  • Articles  (4)
  • acid deposition
  • air pollution
  • 1990-1994  (4)
  • Energy, Environment Protection, Nuclear Power Engineering  (4)
  • Ethnic Sciences
  • 1
    Electronic Resource
    Electronic Resource
    Biotechniques for air pollution control (1993)
    Springer
    Biodegradation 4 (1993), S. 283-301 
    Details
    ISSN: 1572-9729
    Keywords: air pollution ; biofiltration ; bioremediation ; bioscrubbing ; off-gas treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract This paper gives an overview of present biological techniques for the treatment of off-gases and the techniques that are being developed at the moment. The characteristics, advantages, disadvantages, costs and application area are discussed and compared. Biological off-gas treatment is based on the absorption of volatile contaminants in an aqueous phase or biofilm followed by oxidation by the action of microorganisms. Biofilters, bioscrubbers and biotrickling filters are used for elimination of odour and bioconvertable volatile organic and inorganic compounds and are enjoying increasing popularity. This popularity is a result of the low investment and operational costs involved compared to physico-chemical techniques and the elimination efficiencies that can be obtained. The operational envelop is still extending to higher concentrations and gas flow rates (exceeding 200,000 m3 h−1) and a broader spectrum of degradable compounds. Research and development on the use of membranes and the addition of activated carbon or a second liquid phase to the biological systems may lead to a more efficient elimination of hydrophobic compounds and buffering of fluctuating loads. Shorter adaptation periods can be obtained by inoculation with specialized microorganisms. Improved design and operation are made possible by the growing insights in the kinetics and microbiology and supported by the development of models describing biological off-gas treatment. In conclusion, biotechniques are efficient and cost effective in treating off-gases with concentrations of biodegradable contaminants up to 1–5 g/m3. They could play a justified and important role in air pollution control in the coming years.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00695975
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  • 2
    Electronic Resource
    Electronic Resource
    Hedonic models and air pollution: Twenty-five years and counting (1993)
    Springer
    Environmental and resource economics 3 (1993), S. 381-394 
    Details
    ISSN: 1573-1502
    Keywords: Hedonic models ; air pollution ; meta analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract This paper reports a meta analysis of how effectively hedonic property models have detected the influence of air pollution on housing prices. Probit estimates are reported describing how data, model specification, and local property market conditions in cities represented in thirty-seven studies influence the ability of hedonic models to uncover negative, statistically significant relationships between housing prices and air pollution measures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00418818
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  • 3
    Electronic Resource
    Electronic Resource
    Emission trading in Europe with an exchange rate (1994)
    Springer
    Environmental and resource economics 4 (1994), S. 305-330 
    Details
    ISSN: 1573-1502
    Keywords: Emission trading ; air pollution ; economic instruments ; costs ; europe ; sulfur
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract This paper explores the analytical and empirical properties of a new method for emission trading according to a fixed exchange rate. The exchange rate is based on the ratios of the marginal costs of abatement in the optimal solution in order to account for the impact of the location of emission sources on the deposition. It is shown that, generally, this system will not achieve the optimal solution and does not guarantee that environmental deposition constraints are not violated, although total abatement costs are always reduced. A routine was developed to mimic trading as a bilateral, sequential process, subject to an exchange rate. In the example used, results for SO2 emissions in Europe show that, starting from a uniform reduction, exchange-rate trading achieves higher cost savings than one-to-one trading, without achieving the cost minimum. Sulfur deposition targets are not violated since the initial emission allocation overfulfilled targets at many places. The results are sensitive to: pre-trade emission levels, the transaction costs, the availability of information on potential cost savings and assumptions made on the behavior of trading partners.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00692228
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  • 4
    Electronic Resource
    Electronic Resource
    Air pollution effects on hospital admissions: a statistical analysis of parallel time series (1994)
    Springer
    Environmental and ecological statistics 1 (1994), S. 325-332 
    Details
    ISSN: 1573-3009
    Keywords: Administrative health records ; air pollution ; estimating equations ; hospital admissions ; longitudinal count data ; overdispersion ; ozone ; serial correlation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A statistical model for longitudinal count data is used to examine the potential adverse health effects of ambient air pollution. Daily respiratory admissions to 164 acute care hospitals in Ontario are obtained for the period 1983 to 1988. Estimates of ozone levels in the vicinity of each hospital are determined from air pollution monitoring stations maintained by the Ontario Ministry of the Environment. Generalized estimating equation methods are used to make inferences about the regression and overdispersion parameters. The admission data display little evidence of serial correlation and extra Poisson variation. However, admission rates vary considerably among hospitals. This latter source of variation needs to be taken into account in examining the effects of air pollution on respiratory health status.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00469429
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