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71.
Hatami Manesh Masoud Haghshenas Arash Mirzaei Mohsen Azadi Hossein Marofi Safar 《Environmental geochemistry and health》2021,43(10):3897-3919
Environmental Geochemistry and Health - Polycyclic aromatic hydrocarbons (PAHs) are an important group of compounds of major environmental concern, which are in the class of persistent organic... 相似文献
72.
Trend and concentrations of legacy lead (Pb) in highway runoff 总被引:2,自引:0,他引:2
Kayhanian M 《Environmental pollution (Barking, Essex : 1987)》2012,160(1):169-177
This study presents the results of lead (Pb) concentrations from both highway runoff and contaminated soil along 32 and 23 highway sites, respectively. In general, the Pb concentration on topsoil (0-15 cm) along highways was much higher than the Pb concentration in subsurface soil (15-60 cm). The Pb deposited on soil appears to be anthropogenic and a strong correlation was found between the Pb concentration in surface soil and highway runoff in urban areas. The concentration of Pb measured during 1980s from highways runoff throughout the world was up to 11 times higher than the measured values in mid 1990 s and 2000s. The current Pb deposited on soil near highways appears to be a mixture of paint, tire weight balance and old leaded gasoline combustion. Overall, the Pb phase-out regulation reduced the Pb deposits in the environment and consequently lowered Pb loading into receiving waters. 相似文献
73.
Characteristics of highway stormwater runoff. 总被引:1,自引:0,他引:1
Younghan Han Sim-Lin Lau Masoud Kayhanian Michael K Stenstrom 《Water environment research》2006,78(12):2377-2388
Highway stormwater runoff was monitored at three highway sites in Los Angeles, California, during the 2000 to 2003 wet seasons. Event mean concentrations (EMCs), partial event mean concentrations (PEMCs), and mass first flush (MFF) factors were calculated for more than 20 water quality parameters for samples from 20 storm events from each site. The early runoff had higher concentrations, as indicated by the PEMCs at 30 and 60 minutes into the storm, which were 1.9 to 7.4 times higher than the EMCs. A strong first flush was observed for chemical oxygen demand (COD) and other organic pollutants, with 40% of the pollutant mass being discharged in the first 20% of the runoff. A weak first flush was observed for ionic pollutants, such as nitrate and nitrite. Pearson correlation analyses of the EMCs, PEMCs, and MFFs showed strong correlations among dissolved organic carbon, COD, total Kjeldahl nitrogen, oil and grease, and ammonia-nitrogen. Contrary to generally held beliefs, poor correlation between total suspended solids and most other conventional pollutants was observed. In addition, poor correlation between most monitored pollutants and storm characteristics, except for antecedent dry days, was observed. 相似文献
74.
Dadras Chomachayi Masoud Jalali-arani Azam Martínez Urreaga Joaquín 《Journal of Polymers and the Environment》2021,29(8):2585-2597
Journal of Polymers and the Environment - In this research, the effect of reprocessing on the properties of poly(lactic acid)/poly(ε-caprolactone) (PLA/PCL) blends reinforced with silk... 相似文献
75.
Atamaleki Ali Yazdanbakhsh Ahmadreza Fallah Sevda Hesami Arani Mohsen Neshat Aliasghar Fakhri Yadolah 《Environmental science and pollution research international》2021,28(11):13083-13083
Environmental Science and Pollution Research - A Correction to this paper has been published: https://doi.org/10.1007/s11356-021-13115-1 相似文献
76.
Khani Masoud Mousavi Seyyed Ebrahim Pahlavanzadeh Hassan Ale Ebrahim Habib Mozaffari Abbas 《Environmental science and pollution research international》2019,26(10):9686-9696
Environmental Science and Pollution Research - In the present study, a detailed investigation was carried out on MoO3 alumina-supported catalysts behavior in selective catalytic reduction of SO2 to... 相似文献
77.
Masoud Kavosh Kumar Patchigolla John Oakey 《International Journal of Greenhouse Gas Control》2010,4(4):603-612
This paper explores the integration and evaluation of a power plant with a CaO-based CO2 capture system. There is a great amount of recoverable heat in the CaO-based CO2 capture process. Five cases for the possible integration of a 600 MW power plant with CaO-based CO2 capture process are considered in this paper. When the system is configured so that recovered heat is used to replace part of the boiler heat load (Case 2), modelling not only shows that this is the system recovering the most heat of 1008.8 MW but also results in the system with the lowest net power output of 446 MW and the second lowest of efficiency of 34.1%. It is indicated that system performance depends both on the amount of heat recovery and the type of heat utilization. When the system is configured so that a 400 MW power plant is built using the recovered heat (Case 4), modelling shows that this is the system with the most net power output of 846 MW, the highest efficiency of 36.8%, the lowest cost of electricity of 54.3 €/MWh and the lowest cost of CO2 avoided of 28.9 €/tCO2. This new built steam cycle will not affect the operation of the reference plant which vents its CO2 to the atmosphere, highly reducing the connection between the CO2 capture process and the reference plant which vents its CO2 to the atmosphere. The average cost of electricity and the cost of CO2 avoided of the five cases are about 58.9 €/kWh and 35.9 €/tCO2, respectively. 相似文献
78.
Ghorbani Amir Mousazadeh Hossein Taheri Fatemeh Ehteshammajd Shaghayegh Azadi Hossein Yazdanpanah Masoud Khajehshahkohi Alireza Tanaskovik Vjekoslav Van Passel Steven 《Environment, Development and Sustainability》2021,23(8):11792-11817
Environment, Development and Sustainability - This study is an attempt to develop ecotourism in Nehbandan County, in the South Khorasan Province, Iran, by representing unknown areas that have... 相似文献
79.
Gettel M Gulliver JS Kayhanian M DeGroot G Brand J Mohseni O Erickson AJ 《Journal of environmental monitoring : JEM》2011,13(10):2703-2709
Suspended solids either as total suspended solids (TSS) or suspended sediment concentration (SSC) is an integral particulate water quality parameter that is important in assessing particle-bound contaminants. At present, nearly all stormwater runoff quality monitoring is performed with automatic samplers in which the sampling intake is typically installed at the bottom of a storm sewer or channel. This method of sampling often results in a less accurate measurement of suspended sediment and associated pollutants due to the vertical variation in particle concentration caused by particle settling. In this study, the inaccuracies associated with sampling by conventional intakes for automatic samplers have been verified by testing with known suspended sediment concentrations and known particle sizes ranging from approximately 20 μm to 355 μm under various flow rates. Experimental results show that, for samples collected at a typical automatic sampler intake position, the ratio of sampled to feed suspended sediment concentration is up to 6600% without an intake strainer and up to 300% with a strainer. When the sampling intake is modified with multiple sampling tubes and fitted with a wing to provide lift (winged arm sampler intake), the accuracy of sampling improves substantially. With this modification, the differences between sampled and feed suspended sediment concentration were more consistent and the sampled to feed concentration ratio was accurate to within 10% for particle sizes up to 250 μm. 相似文献
80.
Naghdali Hosseinzadeh Hamid Kazem Masoud Ghahremannejad Ehsan Ahmadi Navid Kazem 《Journal of Loss Prevention in the Process Industries》2013,26(4):666-675
API650-2008 is one of the prominent codes consisting of seismic specifications to design steel storage tanks for earthquakes resistance. In spite of the code's broad application, there are some failure modes such as slide bottom, elephant-foot buckling, sloshing and uplift needing more evaluation. In this paper, 161 existing tanks in an oil refinery complex have been classified into 24 groups and investigated using both API650-2008 rules and numerical FEM models. Failure modes and dynamic characteristics of studied models have been calculated by numerical FEM analysis and compared with code requirements. The results demonstrate that, in some cases, there are some imperfections in the code requirements that require further investigation. 相似文献