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Toward Novel Hybrid Biomass, Coal, and Natural Gas Processes for Satisfying Current Transportation Fuel Demands, 1: Process Alternatives, Gasification Modeling, Process Simulation, and Economic Analysis

This paper, which is the first part of a series of papers, introduces a hybrid coal, biomass, and natural gas to liquids (CBGTL) process that can produce transportation fuels in ratios consistent with current U.S. transportation fuel demands. Using the principles of the H2Car process, an almost-100% feedstock carbon conversion is attained using hydrogen produced [...]

Comparative study of mechanical, hydrothermal, chemical and enzymatic treatments of digested biofibers to improve biogas production

Organic waste such as manure is an important resource for biogas production. The biodegradability of manures is however limited because of the recalcitrant nature of the biofibers it contains. To increase the biogas potential of the biofibers in digested manure, we investigated physical treatment (milling), chemical treatment (CaO), biological treatment (enzymatic and partial aerobic microbial [...]

Natural Gas Plays in the Marcellus Shale: Challenges and Potential Opportunities

Tapping the lucrative Marcellus Shale natural gas deposits may have a host of environmental concerns. DOI:  http://dx.doi.org/10.1021/es903811p

Nile delta natural gas potential is significant: 223 tcf

An estimated 223 trillion cubic feet (tcf) (mean estimate) of undiscovered, technically recoverable natural gas are in the Nile Delta Basin Province, located in the Eastern Mediterranean region. Nile delta natural gas potential is significant

Humanly Induced Seismicity: A Primer

Induced seismicity associated with energy production and waste disposal will become an increasingly important issue, (geothermal, CO2 sequestration, and oil and gas, etc.) as energy production in a climate constrained earth progresses. Although induced seismicity has been noted for many years and associated with a variety of causes, recent attention has been focused on oil [...]

Flag planting and finger pointing: The Law of the Sea, the Arctic and the political geographies of the outer continental shelf

The planting of a Russian flag at the bottom of the Arctic Ocean in the summer of 2007 precipitated a series of policy and media-level reactions including expressions of outrage and discontent. This paper develops an analysis of the work of the Commission on the Limits of the Continental Shelf (CCLS) and the different strategies [...]

Natural gas potential assessed in Eastern Mediterranean

An estimated 122 trillion cubic feet (tcf) (mean estimate) of undiscovered, technically recoverable natural gas are in the Levant Basin Province, located in the Eastern Mediterranean region. Natural gas potential assessed in Eastern Mediterranean