Landfill cell construction

Fig. 11. Landfill cell construction detail, longitudinal section.

Higher initial capital costs of landfill cell construction (e.g. double-lined containment systems) and infrastructure (liquid recirculation system). 

FIGURE 26.31 Typical geosynthetic cell profile. (Adapted from U.S. EPA, Requirements for Hazardous Waste Landfill Design, Construction, and Closure, EPA/625/4-89/022, U.S. Environmental Protection Agency, Cincinnati, OH, August 1989.)... 

Not all of the gas is wasted. About 300 MW of electricity is generated from landfills. A variety of electric generation systems have been employed by a small number of developers. Most projects use simple technology and are small (2—10 MW). However, an EPRI study has estimated that landfill gas resources in the United States could support 6,000 MW of generation if utilized in 2-MW-sized carbonate fuel cells. Construction on the wodd s first utility-scale direct carbonate fuel cell demonstration was begun in California. If successful, EPRI estimates that precommercial 3-MW plants based on this design could become available by the end of this decade at an installed cost of 17,000,/kW. 

Cell design and construction Will vary depending on terrain, landfilling per month or as required. 

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