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Characterization Of Semi Volatile Organic Compounds Svocs And Volatile Organic Compounds Vocs From The Point Aconi Coal Fired Power Plant Point Aconi Nova Scotia
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Book Synopsis Characterization of Semi-volatile Organic Compounds (SVOCs) and Volatile Organic Compounds (VOCs) from the Point Aconi Coal-fired Power Plant, Point Aconi, Nova Scotia by : Renata Mortazavi
Download or read book Characterization of Semi-volatile Organic Compounds (SVOCs) and Volatile Organic Compounds (VOCs) from the Point Aconi Coal-fired Power Plant, Point Aconi, Nova Scotia written by Renata Mortazavi and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 18th International Conference on Fluidized Bed Combustion--2005 by :
Download or read book Proceedings of the 18th International Conference on Fluidized Bed Combustion--2005 written by and published by . This book was released on 2005 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis VOC Emissions from Wastewater Treatment Plants by : Prakasam Tata
Download or read book VOC Emissions from Wastewater Treatment Plants written by Prakasam Tata and published by CRC Press. This book was released on 2003-03-26 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: VOC Emissions from Wastewater Treatment Plants: Characterization, Control, and Compliance provides comprehensive information on the subject of Volatile Organic Compound (VOC) emissions from publicly owned treatment works (POTWs). It describes models of emission factors so that readers will know what to expect when models need to be used for the est
Book Synopsis Progress in Volatile Organic Compounds Research by : Igor Jerković
Download or read book Progress in Volatile Organic Compounds Research written by Igor Jerković and published by MDPI. This book was released on 2020-12-29 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volatile organic compounds (VOCs) have been intensively investigated in the last few decades. Their origins differ: plant secondary metabolites, food/beverages aromas, fungal/bacterial volatiles, and others. VOCs typically occur as complex mixtures of compounds (e.g., monoterpenes, sesquiterpenes, norisoprenoids, aliphatic/aromatic compounds, sulfur containing compounds, and others). They form through different biochemical pathways and can be modified or created during drying or maturation, thermal treatment, and others. Different conventional or modern methods of VOCs isolation, followed by the analysis with chromatographic and spectroscopic techniques, usually provide different chemical profiles and have been under constant modification and upgrading. The ecological interactions are mediated by VOCs (inter- and intra-organismic communication) and they can act as pheromones, attractants, or alleochemicals. Among them, chemical biomarkers of botanical origin or chemotaxonomic markers may be found. Many VOCs possess different biological activities, such as antioxidant, antimicrobial, antiviral, anticancer, and other activities. VOCs research from different sources is required to report their distribution and chemical profiles, and to discover new compounds. This Special Issue aims to attract up-to-date contributions on all aspects of VOCs chemistry, from challenges in their isolation to analysis, and on unlocking their biological activities or other useful properties
Book Synopsis Rapid Characterization of Emission Parameters of Semi-volatile Organic Compounds for Building Materials and Consumer Products by : Hongwan Li
Download or read book Rapid Characterization of Emission Parameters of Semi-volatile Organic Compounds for Building Materials and Consumer Products written by Hongwan Li and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semi-volatile organic compounds (SVOCs), such as phthalates, organophosphates, and polybrominated diphenyl ethers (PBDEs), are emerging pollutants associated with serious health concerns. SVOCs are extensively used as plasticizers and flame retardants in building materials and consumer products. Because SVOCs are not chemically bound to polymers, they are slowly emitted from source materials to indoor environments, where people spend most of their time. However, due to our poor understanding of their sources, fate, and transport in indoor environments, effective strategies to reduce exposures remain unclear. The goal of this dissertation is to characterize SVOC emissions rapidly and investigate their fate and transport in indoor environments. The specific objectives are to 1) develop a novel rapid micro-emission-cell method to characterize SVOC emissions from building materials and consumer products; 2) develop a sensitive and accurate needle-trap-device (NTD) method for sampling and analysis of SVOCs in air; 3) investigate SVOC levels in indoor air, settled dust, and heating, ventilation, and air conditioning (HVAC) filter dust in U.S. high schools. Emissions of phthalates, organophosphates, and PBDEs from a wide range of source materials (e.g., vinyl flooring, insulation boards, crib mattress covers, and changing pad foams) were characterized in the micro emission cell rapidly. The steady state SVOC concentrations were reached within minutes or hours, which were significantly reduced from the time of previous chamber studies (weeks or months). The developed NTD method was evaluated in both laboratory and field studies. The results were in good agreement with data obtained using conventional air sampling methods, but with significantly improvements on sensitivity, repeatability, reproducibility, and reliability. Sampling volume using the NTD method was reduced by a factor of four compared to conventional air sampling methods. A number of SVOCs were detected in U.S. high school indoor environments, including certain banned or severely restricted compounds. Significant impacts of seasonal variations and building characteristics were found for certain SVOC levels in different environmental media. This dissertation, which connects emission characterizations, measurement developments, and field studies in real indoor environments, will be valuable to identify major indoor SVOC sources, monitor indoor SVOC pollutions accurately, understand the fate and transport of SVOCs in indoor environments, and develop strategies to reduce SVOC exposures
Book Synopsis National ambient volatile organic compounds (VOCS) data base update by : Jitendra J. Shah
Download or read book National ambient volatile organic compounds (VOCS) data base update written by Jitendra J. Shah and published by . This book was released on 1988 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Standard Guide for Selecting Volatile Organic Compounds VOCs and Semi-Volatile Organic Compounds SVOCs Emission Testing Methods to Determine Emission Parameters for Modeling of Indoor Environments by :
Download or read book Standard Guide for Selecting Volatile Organic Compounds VOCs and Semi-Volatile Organic Compounds SVOCs Emission Testing Methods to Determine Emission Parameters for Modeling of Indoor Environments written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Volatile Organic Compounds by : Jonathan C. Hanks
Download or read book Volatile Organic Compounds written by Jonathan C. Hanks and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volatile organic compounds (VOCs) refers to organic chemical compounds which have significant vapour pressures. This book presents current research in volatile organic compounds, including the effect of transition metals on the reductive dechlorination of COCs by iron-bearing soil minerals; photocatalytic degradtion of VOC gases using a short wavelength UV light and water droplets; catalytic incineration of VOCs; transport of VOCs in polymers; sources and elimination of VOCs and in-vivo analysis of palm wine VOCs by proton transfer reaction-mass spectrometry.
Book Synopsis VOCS in Non-arid Soils Integrated Demonstration by : United States. Department of Energy
Download or read book VOCS in Non-arid Soils Integrated Demonstration written by United States. Department of Energy and published by . This book was released on 1994 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Significance and Treatment of Volatile Organic Compounds in Water Supplies by : Neil M. Ram
Download or read book Significance and Treatment of Volatile Organic Compounds in Water Supplies written by Neil M. Ram and published by CRC Press. This book was released on 1990-02-26 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Significance and Treatment of Volatile Organic Compounds in Water Supplies reviews EPA-approved analytical methods for VOC analysis, QA/QC, data quality objectives and limits of detection. It covers current methods for the assessment of health effects, including toxicity and carcinogenicity. If you only purchase one book on VOCs-this should be it. Leading authorities present the latest essential information on VOCs in drinking water. This book will be a valuable resource to personnel involved with VOC contamination, treatment, costs, and regulation.
Book Synopsis Volatile Organic Compounds in the Atmosphere by : Ralf Koppmann
Download or read book Volatile Organic Compounds in the Atmosphere written by Ralf Koppmann and published by Wiley-Blackwell. This book was released on 2007-07-10 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every day, large quantities of volatile organic compounds (VOCs) are emitted into the atmosphere from both anthropogenic and natural sources. The formation of gaseous and particulate secondary products caused by oxidation of VOCs is one of the largest unknowns in the quantitative prediction of the earth's climate on a regional and global scale, and on the understanding of local air quality. To be able to model and control their impact, it is essential to understand the sources of VOCs, their distribution in the atmosphere and the chemical transformations which remove these compounds from the atmosphere. In recent years techniques for the analysis of organic compounds in the atmosphere have been developed to increase the spectrum of detectable compounds and their detection limits. New methods have been introduced to increase the time resolution of those measurements and to resolve more complex mixtures of organic compounds. Volatile Organic Compounds in the Atmosphere describes the current state of knowledge of the chemistry of VOCs as well as the methods and techniques to analyse gaseous and particulate organic compounds in the atmosphere. The aim is to provide an authoritative review to address the needs of both graduate students and active researchers in the field of atmospheric chemistry research.
Book Synopsis Progress in Volatile Organic Compounds Research by : Igor Jerković
Download or read book Progress in Volatile Organic Compounds Research written by Igor Jerković and published by . This book was released on 2020 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volatile organic compounds (VOCs) have been intensively investigated in the last few decades. Their origins differ: plant secondary metabolites, food/beverages aromas, fungal/bacterial volatiles, and others. VOCs typically occur as complex mixtures of compounds (e.g., monoterpenes, sesquiterpenes, norisoprenoids, aliphatic/aromatic compounds, sulfur containing compounds, and others). They form through different biochemical pathways and can be modified or created during drying or maturation, thermal treatment, and others. Different conventional or modern methods of VOCs isolation, followed by the analysis with chromatographic and spectroscopic techniques, usually provide different chemical profiles and have been under constant modification and upgrading. The ecological interactions are mediated by VOCs (inter- and intra-organismic communication) and they can act as pheromones, attractants, or alleochemicals. Among them, chemical biomarkers of botanical origin or chemotaxonomic markers may be found. Many VOCs possess different biological activities, such as antioxidant, antimicrobial, antiviral, anticancer, and other activities. VOCs research from different sources is required to report their distribution and chemical profiles, and to discover new compounds. This Special Issue aims to attract up-to-date contributions on all aspects of VOCs chemistry, from challenges in their isolation to analysis, and on unlocking their biological activities or other useful properties.
Book Synopsis Volatile Organic Compounds in the Environment by : Wun-cheng Wang
Download or read book Volatile Organic Compounds in the Environment written by Wun-cheng Wang and published by ASTM International. This book was released on 1996 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers delivered at the symposium of the same name, April 1994, by speakers from seven nations. Twenty presentations are arranged under six topics: regulation and assessment, air quality, environmental fate, environmental measurement, environmental monitoring, and control and remediation. A sampling
Book Synopsis Characterization and Control of Odours and VOC in the Process Industries by : S. Vigneron
Download or read book Characterization and Control of Odours and VOC in the Process Industries written by S. Vigneron and published by Elsevier. This book was released on 1994-09-01 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the symposium was to present recent advances in characterization and control of odour and volatile organic compound emissions in the atmosphere, and to contribute to the state-of-the-art of measurement and sampling tools, impact prediction methods and abatement techniques. Topics covered were:Legislative aspectsEmission characterizationAbatement technologies, both recuperative and destructive andReduction methods.Apart from the global problems of climate, all aspects relating to the workplace environment and official regulations were discussed.
Book Synopsis Volatile Organic Compounds by : Julian Patrick Moore
Download or read book Volatile Organic Compounds written by Julian Patrick Moore and published by Nova Science Publishers. This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volatile organic compounds (VOCs) are hazardous highly toxic pollutants that cause a number of environmental and human health problems. They are released during a wide range of industrial, transportation and commercial activities and their emissions have reached high levels. This book provides a review of the occurrence, behavior and ecological implications of VOCs. Chapter One evaluates the biogeneration of volatile organic compounds produced by microalgae. Chapter Two investigates VOC pollution from industrial complexes and wastewater treatment plants (WWTPs). Chapter Three illustrates the current knowledge of intra- and inter- organismal Microbial Volatile Organic Compounds (mVOCs)-based interactions, volatile perception, signal transduction and phenotypical responses in the receiver organisms. Chapter Four summarises the current state of knowledge regarding the impact of emissions from gasoline powered vehicles on historical ambient VOC concentration trends, and on the current ambient urban atmosphere of the South Coast Air Basin. Chapter Five discusses the oxidation of VOCs over cyptomelane catalysts. Chapter Six studies VOCs from truffles and false truffles from Basilicata in Southern Italy. Chapter Seven discusses the removal of VOCs in the air by total catalytic oxidation promoted by catalysts.
Book Synopsis Analysis of Volatile Organic Compounds (VOCs) in A by :
Download or read book Analysis of Volatile Organic Compounds (VOCs) in A written by and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Source Apportionment of Volatile Organic Compounds by : Haya Qadoumi
Download or read book The Source Apportionment of Volatile Organic Compounds written by Haya Qadoumi and published by LAP Lambert Academic Publishing. This book was released on 2019-02-14 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volatile organic compounds (VOCs) emitted by phytoplankton play an important role in the formation of fog and clouds that mediate climate. However, they are not well quantified due to a lack of long-term sampling platforms in the marine environment. In this study on Sable Island, 31 contiguous days of VOC species were actively sampled onto thermal desorption tubes followed by gas chromatography-mass spectrometry. Source apportionment of the VOCs was achieved using USEPA Positive Matrix Factorization v5.0. The source identification of VOCs was augmented by the use of the National Oceanic Atmospheric Association, Hybrid Single-Particle Lagrangian Integrated Trajectory model, visible satellite images and remotely sensed chlorophyll-a data from the Scotian Shelf. It was found that 27% of the total VOCs observed was associated with continental outflow, 40% of the VOCs were associated with marine phytoplankton emissions and 33% of the VOCs were associated with the combustion of carbonaceous material on the North American mainland.
