Forthcoming articles

 


International Journal of Environment and Pollution

 

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International Journal of Environment and Pollution (6 papers in press)

 

Regular Issues

 

  • Verification of the EDMS model adapted to Budapest Liszt Ferenc Airport   Order a copy of this article
    by Veronika O. Groma, Zita Ferenczi, János Osán, Szabina Török, Roland Steib 
    Abstract: This paper quantifies the ability of the Emission and Dispersion Modelling System (EDMS) to reproduce observed pollutant concentrations in the vicinity of a European airport. For the validation, one receptor point was selected at Liszt Ferenc International Airport, Terminal Building 2, where an air quality monitoring station operates. Modelling results superimposed on background concentrations generated from a suburban monitoring station in the vicinity were compared with hourly measured concentrations using statistical indicators for three compounds (CO, NOX and PM10). Acceptable correlation coefficients (0.53-0.76) were obtained, although in case of PM10 the modelled values show slight but significant underestimation for the entire studied period. Also, an obvious overestimate of NOX concentration was found for certain days. Pollution roses were generated that highlighted the spatial distribution of the pollution sources that affect the air quality at the receptor point. Sensitivity of the model to input data, especially to the emission inventory, is discussed. The contribution of aircraft ground movement and apron area emission was found to be well characterised, but in the case of CO and NOX a small (15
    Keywords: airport air quality; dispersion modelling; EDMS modeling system.

  • Characterisation and assessment of spatiotemporal variations in nutrient concentrations and fluxes in an urban watershed: Passaic River Basin, New Jersey, USA   Order a copy of this article
    by Jinglong Du, Huang Feng 
    Abstract: This study investigated the spatial and temporal variations in total inorganic nitrogen (TIN) and total phosphorus (TP), and examined the relationship between water quality and urbanisation in the Passaic River watershed. The results indicate three things. (1) The mean TIN and TP concentrations and fluxes showed a relatively steadily decreasing trend in last two decades. (2) TIN and TP concentrations in summer and autumn were higher than those in spring and winter, but the fluxes were lower than those in spring and winter. At the same time, TIN and TP concentrations in normal flow condition were also higher than those in storm flow condition, but the fluxes were lower than those in storm flow condition. (3) Spatially, water quality in upper reaches of the rivers was better than that of middle and lower reaches, and the nutrient concentrations in Water Management Area (WMA) 4 were the highest, followed by WMA 6 and WMA 3. Land use change, population growth, urbanisation and environmental protection investment were the main factors that influence the change of environment in the Passaic River Basin.
    Keywords: total inorganic nitrogen; total phosphorus; spatial and temporal variations; geographic information system; Passaic River.

  • Influences of single and binary metal mixtures on microbial growth in sandy soil of infiltration site   Order a copy of this article
    by In Chul Kong, Kyung Seok Ko 
    Abstract: Effects of single and binary mixtures of metals on microbial biofilm growth were evaluated on silty-sandy soil collected from an artificial storage and recovery (ASR) site. The effects of metals on the adenosine triphosphate (ATP) content and viable cell count (VCC) showed considerable differences depending on the metal types and concentrations, whereas dehydrogenase activity (DHA) did not change significantly. The sensitivity of the ATP and VCC measurements was also greater than that of DHA. Toxicity based on the ATP content was Cu ≈ Cd > Cr ≈ As(III) ≈ As(V). In the presencence of the binary metal mixtures, a synergistic and additive effect was commonly observed for the ATP contents and VCC, respectively. Therefore, understanding the effects of metal mixtures is essential for proper assessment of the contaminated environment. This study also indicated that the evaluation of metal effects may be considerably influenced by the endpoints of microbial growth measurement.
    Keywords: ATP; DHA; metal mixture; microbial growth; VCC.

  • Adsorption of cobalt() by HCl and H2O2 modified activated carbon   Order a copy of this article
    by Zhen Liu, Yanguo Zhang, Bing Han, Zhongchao Tan, Qinghai Li 
    Abstract: Activated carbon prepared from coconut husk was modified with HCl and H2O2 and tested for the removal of cobalt(Ⅲ) in aqueous solutions. The modification altered the activated carbon pore structures and quantities of the functional group. Batch-mode adsorption experiments were carried out for activated carbons modified at different temperatures (25-75℃), reagent concentrations (0.01-0.04 molL-1), and times (1-8 h). Results show that, under optimum experimental conditions, H2O2 modified activated carbon performs better in terms of adsorption efficiency. Cobalt(Ⅲ) adsorption efficiency is approximately 86%, and HCl modified activated carbon is around 79%.
    Keywords: activated carbon; adsorption; modified activated carbon; cobalt(III).

Special Issue on: Organic Pollutants in Different Compartments of the Biosphere - Origins, Emissions, Abatement and Destruction, Risk Analysis

  • Catalytic decomposition of 1,2-dichlorobenzene over V2O5/TiO2 catalysts blending with typical carbon nanotubes   Order a copy of this article
    by Cuicui Du, Xuan Cao, Shengyong Lu 
    Abstract: A series of V2O5/TiO2-CNTs catalysts, prepared by the sol-gel method, were studied on their activities for 1,2-dichlorobenzene (1,2-DCBz) decomposition. Three kinds of typical carbon nanotubes, single-walled carbon nanotubes (SWCNTs), multi-walled carbon nanotubes (MWCNT1) with outer diameter of 20-30 nm, and multi-walled carbon nanotubes with thinner walls (MWCNT2), were used. The gelling time has an important effect on the textural properties and acidity of the catalysts prepared by this sol-gel method. Owing to its excellent adsorption ability, the V2O5/TiO2-SWCNTs exhibit the best reactivity at low temperature (150
    Keywords: catalytic oxidation; carbon nanotubes; 1,2-dichlorobenzene; gelling time.

Special Issue on: Dioxins, Sources and Effects, Formation and Abatement

  • GC-HRMS analysis for POPs and new POPs with GC-Tof/MS techniques
    by Takumi Takasuga 
    Abstract: .
    Keywords: .