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Bench Scale Evaluation of a Chemo-biochemical Process for Desulphurization of Gaseous Streams Containing Hydrogen Sulphide |
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| Authors: | Pandey R A Malhotra S Rajvaidya A S Sharma S Peshwe S Raman V K Bal A S |
| Institution: | 1. Centro de Micro-Análisis de Materiales, Instituto Nicolás Cabrera, C-16, Universidad Autónoma de Madrid, Spain (author for correspondence 2. Departamento de Física Aplicada, C-12, Universidad Autónoma de Madrid, Madrid, Spain 3. Departamento de Calidad Ambiental, Town Hall of Madrid, Barceló, 6, Madrid, Spain |
| Abstract: | Gases and suspended particulate matter are sampled and measured in situ at different sites within the city of Madrid to determinethe air pollution in the city. Lead concentrations in air are also determined. The information needed to assess levels of contaminants is obtained combining several analytical techniques,which provide real time concentration data of particles andgases. Particulate matter (PM), SO2, CO, O3, NOx,NO2, CH4, total hydrocarbons and Pb were measured. Concentrations of pollutants are averaged over periods of hours,days, months and years. Variations of contaminant concentrationsin the last years are presented. Spatial and temporal distribution follows that of the traffic, the main source of pollution in Madrid City. Some specific measurements were carriedout to understand the influence of traffic emissions at themeasured site. Further, all measured concentrations never exceeded the European Union Directives. |
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