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Coal --- Sulfur content --- Desulfurization --- Coal. --- Coal - Sulfur content --- Coal - Desulfurization --- Sulfur compounds

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Utilization of high sulfur coals is becoming increasingly difficult in view of tighter environmental regulations being imposed around the world. To meet the challenge of utilizing high sulfur coals without damaging the environment, many scientists and engineers around the world are engaged in developing novel technologies. In the U.S.A. alone, the federal government has spent about five billion dollars to achieve that goal. This conference, like its predecessors, emphasizes desulfurization with papers on physical and chemical cleaning as well as post-treatment and fluid-bed combustion technolo

Coal --- Caustobioliths --- Fossil fuels --- Sulfur content --- Desulfurization --- Environmental aspects

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Flue gases --- Coal --- Desulfurization --- Environmental aspects --- Sulfur content --- Flue gases - Desulfurization - Environmental aspects - England --- Coal - Sulfur content --- Power --- Scrubbers --- Waste gases

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Sulfur bacteria. --- Bacteria, Anaerobic. --- Environmental Pollution --- Oxidation-Reduction. --- Sulfates. --- Prevention & control.

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Dimethylsulphide (DMS), emitted by marine phytoplankton, is the second most important source of atmospheric sulphur, after anthropogenic SO2. In the atmosphere, DMS is transformed into condensable acidic sulphur products and, through gas-to-particle conversion, it becomes the most important natural source of atmospheric sulphate aerosols. Possible climatic effects have been suggested, linked to the negative radiative forcing due to scattering of solar radiation and especially to modification of cloud albedo over oceans by sulphate aerosol particles. These effects occur in addition to those deriving from the superimposed anthropogenic component of the atmospheric sulphate. Understanding the cycle of DMS in the marine troposphere and its interaction with the aerosol budget and cloud properties has become a key research target in these last years. Our knowledge of the many processes involved is still fragmentary, however. This book, which updates the state of our comprehension of the marine DMS cycle with special regard to its climatic impact, will be of interest to marine biologists, atmospheric chemists, aerosol physicists and climatologists, and to scientists concerned with changes in the Earth's climate.

Atmosfeer--Chemie --- Atmosferische chemie --- Atmospheric chemistry --- Atmosphère [Chimie de l' ] --- Chemie [Atmosferische ] --- Chemie van de atmosfeer --- Chemistry [Atmospheric ] --- Chimie atmosphérique --- Chimie de l'atmosphère --- Atmospheric dimethyl sulfide --- Dimethyl sulfide --- Climatic changes --- Sulfur cycle --- Biogeochemical cycles --- Environmental aspects --- Sulphur cycle --- Dimethyl sulphide --- Dimethylsulfide --- Methyl sulfide --- Sulfides --- Changes, Climatic --- Climate change --- Climate changes --- Climate variations --- Climatic change --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Air --- Atmospheric dimethyl sulphide --- Atmospheric sulfur compounds --- Dimethyl sulfide content --- Changes in climate --- Climate change science --- Global environmental change --- Atmospheric dimethyl sulfide - Congresses --- Dimethyl sulfide - Environmental aspects - Congresses --- Climatic changes - Environmental aspects - Congresses --- Sulfur cycle - Congresses --- Biogeochemical cycles - Congresses