To understand the leaching behavior of brominated flame retardants (BFRs) from waste consumer products in landfills, we have been conducting a long-term landfill lysimeter experiment since 2006 under conditions designed to mimic three types of landfill conditions in developing countries: aerobic, semi-aerobic, and anaerobic.
This landfill leachate-simulation experiment was performed to see what happens with the pharmaceuticals during aerated treatment and continuous stirring of landfill leachate for 120 h.
Higher oxidation period was also recommended by earlier investigators [ 42, 43] for describing similar kind of experiment on landfill leachate treatment in SBR.
Two companies that are experimenting with landfill gas, Acrion Technologies Inc., based in Cleveland, and Carbozyme Inc., which recently relocated from Houston, have taken up residence in the two-and- a-half-story, 32,000-square-foot facility.
This study investigated the electrochemical oxidation of stabilized leachate from Pulau Burung semi-aerobic sanitary landfill by conducting laboratory experiments with sodium sulfate Na2SO4 (as electrolyte) and graphite carbon electrodes.
Acrion, for example, has built a model of a processing unit, three stories high, in a large room at the center, to experiment with separating landfill gas into pure methane, which can be used as fuel, and pure carbon dioxide, which will be tested as a way to enhance the growth of plants in the Burlington County Research and Demonstration Greenhouse.
These concerns were addressed through batch experiments on a landfill wastewater with a similar composition to other sulfate rich industrial wastewaters (high levels of organic and inorganic contaminants).
In the experiment, six simulated landfills were employed, coded as R1, R2, R3, R4, R5, and R6.
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So Waste Management, America's biggest waste firm, has been experimenting with a type of landfill called a "bioreactor", designed to ensure and accelerate the decay of biodegradable waste by injecting a mixture of air, water and recycled leachate.
