Mechanistic Studies of Atmospheric Photo-oxidation Reactions PDF Download
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Author: K. C. Clemitshaw
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: K. C. Clemitshaw
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Sascha Nehr
Publisher: Forschungszentrum Jülich
ISBN: 3893368043
Category :
Languages : en
Pages : 145
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Georges Le Bras
Publisher: Springer Science & Business Media
ISBN: 3642592163
Category : Science
Languages : en
Pages : 316
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Book Description
Oxidation and removal of atmospheric constituents involve complex sequences of reactions which can lead to the production of photo-oxidants such as ozone. In order to understand and model these complex reaction sequences, it is necessary to have a comprehensive understanding of reaction mechanisms and accurate estimates of kinetic parameters for relevant gas-phase atmospheric reactions. This book presents recent advances in the field and includes the following topics: e.g. the oxidation of simple organic compounds, NOx kinetics and mechanisms, OH radical production and rate constants for the OH attack on more complex organic compounds, peroxy and alkoxy radical reactions, photo-oxidation of aromatic and biogenic compounds, and the interaction between radical species.
Author: Jack Calvert
Publisher: OUP USA
ISBN: 0199767076
Category : Science
Languages : en
Pages : 1634
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Book Description
Prepared by an international team of eminent atmospheric scientists, Mechanisms of Atmospheric Oxidation of the Oxygenates is an authoritative source of information on the role of oxygenates in the chemistry of the atmosphere. The oxygenates, including the many different alcohols, ethers, aldehydes, ketones, acids, esters, and nitrogen-atom containing oxygenates, are of special interest today due to their increased use as alternative fuels and fuel additives. This book describes the physical properties of oxygenates, as well as the chemical and photochemical parameters that determine their reaction pathways in the atmosphere. Quantitative descriptions of the pathways of the oxygenates from release or formation in the atmosphere to final products are provided, as is a comprehensive review and evaluation of the extensive kinetic literature on the atmospheric chemistry of the different oxygenates and their many halogen-atom substituted analogues. This book will be of interest to modelers of atmospheric chemistry, environmental scientists and engineers, and air quality planning agencies as a useful input for development of realistic modules designed to simulate the atmospheric chemistry of the oxygenates, their major oxidation products, and their influence on ozone and other trace gases within the troposhere.
Author: Tobias Otto
Publisher:
ISBN:
Category :
Languages : de
Pages :
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Author: Edwin N. Frankel
Publisher: Elsevier
ISBN: 085709792X
Category : Technology & Engineering
Languages : en
Pages : 487
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Book Description
In this second edition, Edwin Frankel has updated and extended his now well-known book Lipid oxidation which has come to be regarded as the standard work on the subject since the publication of the first edition seven years previously. His main objective is to develop the background necessary for a better understanding of what factors should be considered, and what methods and lipid systems should be employed, to achieve suitable evaluation and control of lipid oxidation in complex foods and biological systems. The oxidation of unsaturated fatty acids is one of the most fundamental reactions in lipid chemistry. When unsaturated lipids are exposed to air, the complex, volatile oxidation compounds that are formed cause rancidity. This decreases the quality of foods that contain natural lipid components as well as foods in which oils are used as ingredients. Furthermore, products of lipid oxidation have been implicated in many vital biological reactions, and evidence has accumulated to show that free radicals and reactive oxygen species participate in tissue injuries and in degenerative disease. Although there have been many significant advances in this challenging field, many important problems remain unsolved. This second edition of Lipid oxidation follows the example of the first edition in offering a summary of the many unsolved problems that need further research. The need to understand lipid oxidation is greater than ever with the increased interest in long-chain polyunsaturated fatty acids, the reformulation of oils to avoid hydrogenation and trans fatty acids, and the enormous attention given to natural phenolic antioxidants, including flavonoids and other phytochemicals.
Author: Noriko Nishino
Publisher:
ISBN:
Category : Aromatic compounds
Languages : en
Pages : 416
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Book Description
Author: Miroslav Radojevic
Publisher: Springer Science & Business Media
ISBN: 9781851667772
Category : Nature
Languages : en
Pages : 624
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Book Description
This is the first publication to offer a comprehensive and balanced view of atmospheric acidity. It is organised in three sections. The first part consists of reviews of sources of acidic compounds, the second part outlines the environmental consequences and the final part discusses the technological, legal and political aspects of control strategies.
Author: Joshua Alexandre Moss
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Volatile Organic Compounds (VOCs) oxidize in the troposphere and significantly influence the formation of pollutants including ground-level ozone, CO2, and particulate matter (PM). Ozone and PM negatively impact human health, and all three pollutants influence Earth's climate. VOCs also dominate the OH reactivity of the atmosphere which in turn influences concentrations of other important radical species including NO[subscript x] and HO2. Chamber experiments are often conducted to measure VOC oxidation in a controlled laboratory setting, but these studies are may be complicated by vapor deposition on chamber surfaces and potential VOC decomposition in the Chemical Ionization Mass Spectrometers (CIMS) which are used to measure a broad range of oxidation products. Mechanistic simulations are also frequently performed to emulate chamber chemistry with less effort and fewer complications than may arise during a chamber experiment, but the results of these simulations are limited by uncertainties and gaps in our understanding of VOC oxidation chemistry from empirical studies. This thesis addresses uncertainties in chamber measurements and mechanisms and uses both in tandem to provide mutual benefits. Chapter 2 focuses on the development and characterization of a Total Suspended Carbon (TSC) apparatus which may be used to parametrize chamber vapor deposition.
