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We present a mathematical model and simulation of a film biofilter for the treatment of gaseous effluents, using the MathCad Plus 6.0 program. The contaminant mixture included aromatic hydrocarbons such as benzene, toluene, ethyl benzene and xylene, dissolved in air. We applied the model through ...


After the episode that occurred in London in December of 1952 in which more than four thousand people died as a result of acute exposure to atmospheric contaminants (particulate matter and sulfur dioxide, principally), there are no doubts that air quality has an important effect on the health of ...


A follow-up in 2013 of the indicators of pollution (temperature, hydrogen potential, salinity, dissolved oxygen, ammonium, nitrites, nitrates, orthophosphates, ortho silicates, biological oxygen demand, chemical oxygen demand, suspended solids) in surface water was performed, in order to estimate...


Toxic air pollutants, also known as hazardous air pollutants, are those that are known or suspected to cause cancer or other serious health effects, such as birth defects or adverse environmental outcomes. The aim of this research was to predict air toxics related health risks due to different em...


Díaz-Robles, Luis AlonsoReed, Gregory D.Fu, J.S.[Emission Scenarios and the Health Risks Posed by Priority Mobile Air Toxics in an Urban to Regional Area: An Application in Nashville, Tennessee]Emission Scenarios and the Health Risks Posed by Priority Mobile Air Toxics in an Urban to Regional Area: An Application in Nashville, Tennessee

Box-Jenkins Time Series (ARIMA) and the multivariate linear models (MLM) have been important and popular linear tools in air quality forecasting during the past decade for urban areas. On the other hand, artificial neural networks (ANN) recently have been used successfully as a nonlinear tool in ...


Ortega-Bravo, J.C.Ramírez, M.Fu, J.S.Reed, G.D.[A hybrid ARIMA and artificial neural networks model to forecast particulate matter in urban areas: The case of Temuco, Chile]A hybrid ARIMA and artificial neural networks model to forecast particulate matter in urban areas: The case of Temuco, Chile

Air toxics concentrations and health effects that come from different sources emission scenarios by linking Models-3/CMAQ and cancer risk assessment were predicted. The year 1999 was used to emissions inventory and the year 2003 for meteorological data and modeling performance. To demonstrate the...


Díaz-Robles, Luis AlonsoFu, J.S.Reed, G.D.[Health risk assessment posed by primary diesel particulate matter and vapor air toxics in Southeastern US]Health risk assessment posed by primary diesel particulate matter and vapor air toxics in Southeastern US

Temuco is a mid-size city representative of severe wood smoke pollution in southern Chile; however, little is known about the indoor air quality in this region. A field measurement campaign at 63 households in the Temuco urban area was conducted in winter 2014 and is reported here. In this study,...


Jorquera, HéctorBarraza, FranciscoHeyer, JohannaValdivia, GonzaloSchiappacasse Poyanco, LuisMontoya, Lupita D.[Indoor PM2.5 in an urban zone with heavy wood smoke pollution: The case of Temuco, Chile]Indoor PM2.5 in an urban zone with heavy wood smoke pollution: The case of Temuco, Chile

Talcahuano and Hualpén counties are one of the most highly industrial-polluted coastal zones in Chile, overhanging the iron foundry industry, coal burning power plants, chemical industry, and petroleum refinery, etc. The relationship between air pollution from PM2.5 measured at the Libertad monit...


Díaz-Robles, Luis AlonsoOrtega, J.C.Guerrero, M.Silva, M.P.[Particulate air pollution and health effects for cardiovascular and respiratory causes over an industrial neighborhood; Linking epidemiological time series studies and the power of a health perception survey]Particulate air pollution and health effects for cardiovascular and respiratory causes over an industrial neighborhood; Linking epidemiological time series studies and the power of a health perception survey

The particulate matter pollution, induced mainly by the domiciliary wood heating, vehicular traffic, and industrial activity, has become the main source of concern of urban air quality in cities of colder climates. The city of Temuco, 800 km to the south of Santiago, Chile, suffers from severe wo...


Sanhueza, P.A.Díaz-Robles, Luis AlonsoTorreblanca, M.A.Schiappacasse Poyanco, LuisSilva, M.P.Astete, T.D.[Particulate air pollution and health effects for cardiovascular and respiratory causes in Temuco City, Chile]Particulate air pollution and health effects for cardiovascular and respiratory causes in Temuco City, Chile

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