volatile organic compounds emissions
Characterizing reduced sulfur compounds and non-methane volatile organic compounds emissions from a swine concentrated animal feeding operation
... Calibration of the GC-FID system was performed using 0.25 ppm ± 1.2% propane in air (National Institute of Standards and Technology Standard Reference Material). From the slope of the multi-point calibration curve, a ...
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Sources and concentrations of volatile organic compounds
... Traffic and traffic-related sources are known to be a major source of non-methane hydrocarbons (NMHCs i.e., alkanes, alkenes, alkynes and aromatic HCs) in urban areas (Friedrich and Obermeier, 1999; Watson et al., 2001), ...
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Greenhouses Gases, Carbonyls, and Volatile Organic Compounds Surface Flux Emissions at Three Final Waste Disposal Sites Located in the Metropolitan Area of Costa Rica
... flux emissions for volatile organic compounds (VOC’s) (alcohols and aromatic species), priority carbonyls and greenhouse gases, were measured in three different final disposal sites for urban ...
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Biogenic volatile organic compounds in the ambient air and plant emissions of a Tasmanian native forest, and the relationship between emission rates and essential oil content
... of organic molecules for biochemical purposes, emitting those that are volatile into the ...ketones, organic acids, alcohols, alkanes, alkenes and the C5 hemiterpene ...these compounds play an ...
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Emissions of volatile organic compounds (VOCs) from cooking and their speciation: A case study for Shanghai with implications for China
... Based on the information of the number of people and kitchen stoves collected during sampling Table SI3, the calculated three types of emission factors for each cuisine type are given in[r] ...
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Quantifying Marine Emissions of Biogenic Volatile Organic Compounds Using Laboratory Measurements, Field Measurements and Remote Sensing Data.
... hydrocarbon compounds (benzene, toluene, m-Xylene and ethylbenzene) were detected in water samples from both ...These compounds ranged from ...these compounds to be present in coastal waters due to ...
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Evaluation of the temporal and spatial distribution of non methane hydrocarbon emissions from the forests inSlovakia
... hydrocarbon emissions from forest vegeta- tion in Slovakia. Emissions rates of monoterpene, isoprene and other volatile organic compounds (VOC) were calculated for each main tree ...
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Tropospheric volatile organic compounds in China.
... Tremendous efforts have been made to investigate tropospheric VOCs in China. Government departments, scientists and the public have always been open and adaptable to new ideas and advanced tech- nology. It is recommended ...
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Prioritization and Complexity Evaluation of Airborne Volatile Organic Compounds Characteristics
... Increasing economic activities in the Bangkok Metropolitan Region (BMR) has been a predominant force in Thailand’s growth over the past 30 years.The rise in population and transportation sectors resulting from rapid ...
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Ambiental volatile organic compounds in the megacity of São Paulo
... Table 5 resumes the mean concentrations of formaldehyde and acetaldehyde in São Paulo atmosphere, reported in the literature, inclu- ding those found in this study. The levels of these two important species decreased ...
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Volatile Organic Compounds in the Biosphere-Atmosphere System (VOCBAS)
... VOC emissions take place on the continental scale and can therefore play a role in atmospheric chemistry even in remote areas. The interactions between the biosphere and the atmosphere mediated by the production ...
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The prediction of chemosensory effects of volatile organic compounds in humans
... of emissions often depends on temperature, relative humidity, and sometimes air velocity, and varies within a time scale of ...discontinuous emissions are much more time dependent and may change within ...
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Spatiotemporal association between birth outcomes and coke production and steel making facilities in Alabama, USA: a cross-sectional study
... air emissions in- clude a mixture of polycyclic aromatic hydrocarbons (PAHs), volatile organic compounds including benzene, toluene, ethylbenzene and xylenes (BTEX), and metals, all of which ...
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Assessment of Semi-Urban Air Pollution and Its Health Impacts Due to Vehicular Traffic Emissions in Chidambaram Town, Tamilnadu, India Dr. P. Balashanmugam *1 , Dr. V. Nehrukumar 2, G. Balasubramanian3
... of volatile organic compounds in urban ...Evaporative emissions, as well as exhaust emissions, can also be significant, especially for ...the volatile organic ...
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Identification of biogenic volatile organic compounds for improved border biosecurity
... chemical emissions and behaviours of this species in diapause and when diapause becomes ...of emissions of volatiles from ...post-border. Volatile organic compounds (VOCs) can be ...
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An increasing role for solvent emissions and implications for future measurements of Volatile Organic Compounds
... in emissions are to be independently tested against external atmospheric monitoring, then a revised analytical strategy is needed, both in terms of species quantified and locations of the measurement ...VOCs ...
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A study of volatile organic compounds from transgenic arabidopsis thaliana and solanum lycopersicum plants and analytical characterization of pyrolysis bio-oil
... lipophilic compounds derived from different biosynthetic pathways, typically including terpenoids, fatty and amino acid derived products, phenylpropanoids and saturated and unsaturated hydrocarbons with their ...
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Recovery of VOC from Onshore and Offshore Shuttle Tankers using Structured Membranes
... of Volatile Organic Compounds (VOCs) in the environment and also the economic loss of these hydrocarbon compounds, some technologies are used for the abatement of VOCs that are released from ...
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Assessing Concentration Changes of Odorant Compounds in the Thermal-Mechanical Drying Phase of Sediment-Like Wastes from Olive Oil Extraction
... Agroindustrial waste; alperujo and orujo; rotary dryer emissions; volatile organic 33.. compounds; biomass drying 34.[r] ...
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Volatile organic compounds as diagnostic biomarkers in gastrointestinal and liver diseases
... A number of studies support the crucial involvement of oxidative stress in the pathogenesis of liver disease including alcoholic and non-alcoholic hepatotoxicity, infections, iron overload and autoimmune liver damage ...
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