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International Journal of Environment and Pollution最新文献

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Effect of microwave treatment onto activated carbon produced from pecan nut shells for Tartrazine removal from aqueous media 微波处理对山核桃壳活性炭去除水介质中酒黄石的影响
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10019187
J. Pérez, Gabriela Muñoz Armenta, S. López
{"title":"Effect of microwave treatment onto activated carbon produced from pecan nut shells for Tartrazine removal from aqueous media","authors":"J. Pérez, Gabriela Muñoz Armenta, S. López","doi":"10.1504/IJEP.2018.10019187","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10019187","url":null,"abstract":"","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"63 1","pages":"298"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Kinetic conditions of struvite continuous reaction crystallisation from wastewater in presence of aluminium(III) and iron(III) ions 铝(III)和铁(III)离子存在下废水中鸟粪石连续反应结晶的动力学条件
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10020827
N. Hutnik, Anna Stanclik, K. Piotrowski, A. Matynia
{"title":"Kinetic conditions of struvite continuous reaction crystallisation from wastewater in presence of aluminium(III) and iron(III) ions","authors":"N. Hutnik, Anna Stanclik, K. Piotrowski, A. Matynia","doi":"10.1504/IJEP.2018.10020827","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10020827","url":null,"abstract":"Kinetic parameters of the continuous struvite reaction crystallisation process from aqueous solutions containing phosphate(V) ions with impurities: aluminium(III) or/and iron(III) ions were determined. A simplified kinetic model of ideal mixed suspension mixed product removal (MSMPR) crystalliser - size independent growth (SIG) was adopted. Nuclei population densities, nucleation rates and crystal linear growth rates were determined from product crystal size distributions. It was concluded that within the assumed process parameter ranges, the linear growth rate of struvite crystals in presence of aluminium(III) ions varied from 4.53 · 10‒9 to 1.89 · 10‒8 m/s, whereas in presence of iron(III) ions it was within the 4.59 · 10‒9 ‒ 1.62 · 10‒8 m/s range. Nucleation rate varied within the 3.8 · 107 ‒ 1.6 · 109 1/(sm3) and 4.5 · 107 ‒ 1.2 · 109 1/(sm3) ranges, correspondingly. These large differences show significant influence of impurities and technological parameters on the struvite reaction crystallisation kinetics, thus on the product quality. It was experimentally demonstrated that aluminium(III) ions affect struvite reaction crystallisation more advantageously than iron(III) ions.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"27 1","pages":"358"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Impacts of global climate scenarios over three European cities using mesoscale and CFD simulations with very high horizontal resolution 利用非常高水平分辨率的中尺度和CFD模拟分析全球气候情景对三个欧洲城市的影响
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10020828
R. S. José, J. Perez, L. Perez, R. M. G. Barras
{"title":"Impacts of global climate scenarios over three European cities using mesoscale and CFD simulations with very high horizontal resolution","authors":"R. S. José, J. Perez, L. Perez, R. M. G. Barras","doi":"10.1504/IJEP.2018.10020828","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10020828","url":null,"abstract":"This contribution presents a dynamical downscaling process from global climate simulations to urban scale with 50 m spatial resolution. The final objective is to show how urban meteorological and air pollution responds to different global climate conditions and how human health could be affected. We have used the mesoscale model WRF-Chem (NOAA, US) to produce information covering all Europe with 25 km spatial resolution and two nested domains over Madrid, London and Milan. Finally, detailed simulations are performed using the MICROSYS-CFD model. Year 2011 is used as reference year and 2030, 2050 and 2100 for future under two RCP scenarios of the IPCC, 4.5 and 8.5. For evaluation we make a comparison between results of a simulation for present situation and observations showing acceptable agreement with measurements. The results are analysed with climate and health indicators for mortality and morbidity, using epidemiological studies to fix the exposure-response functions.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"64 1","pages":"341"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modelling nitrogen deposition: dry deposition velocities on various land-use types in Switzerland 氮沉降模拟:瑞士不同土地利用类型的干沉降速度
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10020573
S. Aksoyoglu, A. Prévôt
{"title":"Modelling nitrogen deposition: dry deposition velocities on various land-use types in Switzerland","authors":"S. Aksoyoglu, A. Prévôt","doi":"10.1504/IJEP.2018.10020573","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10020573","url":null,"abstract":"In this study, we analysed nitrogen deposition in Switzerland obtained from a modelling study in Europe for 2006 with the CAMx model. Comparison of modelled ammonia with measurements showed a relatively good agreement for annual concentrations whereas an overestimation was found in spring due to the meteorological conditions prevailing in 2006. The modelled average annual nitrogen deposition of 12.2 kg N ha−1 a−1 in Switzerland was dominated by the deposition of reduced nitrogen compounds (74%) and the largest contribution to nitrogen deposition was from dry deposition of ammonia. Dry deposition velocities of oxidised and reduced nitrogen compounds were calculated for specific land-use types found in Switzerland. The highest annual deposition velocities for ammonia and nitric acid were estimated over evergreen shrubs whereas the deposition was lowest over water surfaces. Deposition velocities over various land surfaces were shown to vary seasonally and the values in spring and summer were higher than in winter by a factor of up to 2.7.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"64 1","pages":"230"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Characterisation and assessment of spatiotemporal variations in nutrient concentrations and fluxes in an urban watershed: Passaic River Basin, New Jersey, USA. 城市流域养分浓度和通量的时空变化特征与评价:美国新泽西州帕塞伊克河流域。
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10018457
Jinglong Du, H. Feng, J. Nie, Yuanyi Li, B. Witherell
{"title":"Characterisation and assessment of spatiotemporal variations in nutrient concentrations and fluxes in an urban watershed: Passaic River Basin, New Jersey, USA.","authors":"Jinglong Du, H. Feng, J. Nie, Yuanyi Li, B. Witherell","doi":"10.1504/IJEP.2018.10018457","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10018457","url":null,"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 that: 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.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"63 1","pages":"154-177"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Influences of single and binary metal mixtures on microbial growth in sandy soil of infiltration site 单、二元金属混合物对入渗场地沙质土壤微生物生长的影响
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10018458
K. Ko, Kyoochul Ha, I. Kong
{"title":"Influences of single and binary metal mixtures on microbial growth in sandy soil of infiltration site","authors":"K. Ko, Kyoochul Ha, I. Kong","doi":"10.1504/IJEP.2018.10018458","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10018458","url":null,"abstract":"Effects of single and binary mixture 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 presence 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.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"63 1","pages":"178"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fly ash from a Belgian stoker-type municipal solid waste incinerator 来自比利时焦炉式城市固体废物焚烧炉的粉煤灰
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10019174
Mengmei Zhang, Junhong Liao, A. Buekens, Xiaodong Li
{"title":"Fly ash from a Belgian stoker-type municipal solid waste incinerator","authors":"Mengmei Zhang, Junhong Liao, A. Buekens, Xiaodong Li","doi":"10.1504/IJEP.2018.10019174","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10019174","url":null,"abstract":"This study establishes some salient characteristics of fly ash from municipal solid waste incineration by combining various instrumental analytical techniques (SEM-EDS, XRD and XRF, etc.) while analysing size-classified fractions of high-temperature (HT) and baghouse (BH) dust. First, the two samples were sieved in eight (HT) or six (BH) size fractions and these were separately analysed for PCDD/F, PCB and PAH. These two samples, showing distinct differences from each other, were collected from a small MSWI stoker plant in Belgium with frequent operational problems. The BH sample presented more homogeneity than the HT sample. A growing concentration of heavy metals was observed with falling size of particles. The loads of PCDD/F and PCB in the BH sample are 1-2 orders of magnitude larger than those in HT samples. High internal correlation was found for the contents of PCB and PCDD/F and even higher for dl-PCB and PCDD/F.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"63 1","pages":"246"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Preliminary evaluation of CMAQ modelled wet deposition of sulphur and nitrogen over Bulgaria CMAQ模拟保加利亚上空硫和氮湿沉降的初步评价
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10020572
E. Georgieva, E. Hristova, D. Syrakov, M. Prodanova, E. Batchvarova
{"title":"Preliminary evaluation of CMAQ modelled wet deposition of sulphur and nitrogen over Bulgaria","authors":"E. Georgieva, E. Hristova, D. Syrakov, M. Prodanova, E. Batchvarova","doi":"10.1504/IJEP.2018.10020572","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10020572","url":null,"abstract":"Wet depositions of sulphur and nitrogen over Bulgaria have been simulated by the WRF-CMAQ system for the period from March to June 2016. Precipitation amounts have been overestimated - the average NMB is 44% for the country and 70% for Sofia. Precipitation chemistry data from Sofia have been used for the estimation of observed sulphur and nitrogen depositions - 602 mg m−2, and 528 mg m−2, respectively. Modelled wet depositions show overestimation, more significant for sulphur deposition (NMB 87%). Precipitation adjustment has been applied as post-processing to model wet depositions. The correction led to decrease in NMB for S wet deposition (9%), while N- monthly depositions were in general underestimated. Possible effects of long-range transport for Sofia have been discussed for two selected periods of a few days.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"64 1","pages":"161"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Are toxic load-based toxicity models consistent with experimental observations? Independent analysis of steady-exposure data from the 2012-2013 ECBC/NAMRU-D toxicological experiments 基于毒性负荷的毒性模型与实验观察一致吗?2012-2013年ECBC/NAMRU-D毒理学实验稳定暴露数据的独立分析
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10020811
Alexander Slawik, Kevin C. Axelrod, James B. Silva, Ivo Dimitrov, J. Urban, N. Platt
{"title":"Are toxic load-based toxicity models consistent with experimental observations? Independent analysis of steady-exposure data from the 2012-2013 ECBC/NAMRU-D toxicological experiments","authors":"Alexander Slawik, Kevin C. Axelrod, James B. Silva, Ivo Dimitrov, J. Urban, N. Platt","doi":"10.1504/IJEP.2018.10020811","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10020811","url":null,"abstract":"This work explores the validity of the toxic load model, which is often used to predict the health effects of airborne releases of toxic materials. In 2012 and 2013 the US Army's Edgewood Chemical and Biological Center (ECBC) and the Naval Medical Research Unit Dayton (NAMRU-D) conducted toxicological experiments to explore the effects of time-varying inhalation exposures of hydrogen cyanide (HCN) gas on rats. Independent analysis of the steady-exposure subset of experimental data indicates that the toxic load model is not valid over the full range of the experiments' exposure durations, assuming that there was no systematic experimental error. The model fits the data poorly for exposure durations under ten minutes.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"64 1","pages":"283"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of surface roughness on turbulence, ventilation and pollutant dispersion over hypothetical urban area 假设市区表面粗糙度对湍流、通风和污染物扩散的影响
IF 0.7 4区 环境科学与生态学
International Journal of Environment and Pollution Pub Date : 2018-01-01 DOI: 10.1504/IJEP.2018.10020563
Ziwei Mo, C. Liu
{"title":"Effect of surface roughness on turbulence, ventilation and pollutant dispersion over hypothetical urban area","authors":"Ziwei Mo, C. Liu","doi":"10.1504/IJEP.2018.10020563","DOIUrl":"https://doi.org/10.1504/IJEP.2018.10020563","url":null,"abstract":"Wind flows and pollutant dispersion over cities are strongly affected by urban morphology. Scientific evidence measuring the effect of surface roughness on transport processes is needed to effectuate air quality strategy. Based on idealised building models assembled by ribs and LEGO® bricks, a series of wind tunnel experiments are performed to investigate the effect of aerodynamic resistance on the ventilation ability and pollutant dispersion over rough surfaces. Water vapour is used as the tracer to examine the passive, inert pollutant dispersion from a line source in crossflows. Velocity and tracer concentrations are measured by hot-wire anemometers (HWAs) with X-wire probes and humidity sensors, respectively. The results show that the near-wall streamwise fluctuating velocity 1/2 , vertical fluctuating velocity 1/2 and momentum flux − are enhanced by the aerodynamic resistance induced by the surface-mounted roughness elements. The spatially averaged turbulence properties 1/2 , 1/2 and − are found peaked in the measurement cases AR = 1/12 (rib-type elements) and h:2l-T (cube-type elements). Both turbulent air exchange rate ACHʹ and vertical dispersion coefficient σz increase with increasing drag coefficient Cd, suggesting the prototypes of new parameterisations of ventilation and pollutant dispersion over urban areas.","PeriodicalId":14072,"journal":{"name":"International Journal of Environment and Pollution","volume":"64 1","pages":"192"},"PeriodicalIF":0.7,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66799422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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