Kinetics of methane oxidation in a landfill cover soil: temporal variations, a whole-landfil oxidation experiment, and modeling of net CH4 emissions

Article Abstract:

The rates of methane (CH4) oxidation obtained through the use of a static enclosure technique show no difference from the oxidation rates derived from in vitro field incubations. The rapid increase in the rates of CH4 oxidation, which is over 4 orders of magnitude, is the direct kinetic response to a wide range of initial CH4 concentrations, from ambient to 8.4 vol%. The gaseous mass transfer and microbial CH4 oxidation are demonstrated using a model that requires less variables but allows for order-of-magnitude prediction of net CH4 fluxes at field sites.

Refuse systems, Solid Waste Landfill, Natural Gas, Well Produced, Research, Models, Economic aspects, Methane, Soil pollution, Sanitary landfills, Mass transfer

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Analytical characterization of an industrial waste treated by gasification

Article Abstract:

An industrial waste composed of styrene manufacturing and petroleum byproducts was gasified, and the waste, coal, virgin char, and char/waste mixture (before and after gasification) were examined by various methods to determine which method furnished useful information. The methods included scanning electron microscopy, gas chromatography, nuclear magnetic resonance and infrored.

United States, Science & research, Crude Petroleum & Natural Gas, Unsupported plastics film & sheet, Unsupported Plastics Film and Sheet (except Packaging) Manufacturing, Styrene Copolymer Film, Plastics industry, Petroleum industry, Plastic films, Petroleum, Gas industry, Pollution, Styrene copolymers

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