Filters: Tags: feasibility (X)
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Geothermal energy, carbon sequestration, and enhanced oil and gas recovery have a clear role in U.S. energy policy, both in securing cost-effective energy and reducing atmospheric CO2 accumulations. Recent publicity surrounding induced seismicity at several geothermal and oil and gas sites points out the need to develop improved standards and practices to avoid issues that may unduly inhibit or stop the above technologies from fulfilling their full potential. It is critical that policy makers and the general community be assured that EGS, CO2 sequestration, enhanced oil/gas recovery, and other technologies relying on fluid injections, will be designed to reduce induced seismicity to an acceptable level, and be developed...
Categories: Publication;
Types: Citation;
Tags: Corporations,
Health,
Wind,
feasibility,
generation,
The United States and other developed countries currently and historically have transferred considerable resources overseas to further their foreign policy objectives and to purchase oil and natural gas. These transfers are comparable in magnitude to estimates of the scale of the economic effort that would be required to create a world-wide energy system with zero carbon emissions by the middle of this century. Solar energy, the most abundant of the alternative energy supply sources, is currently the most expensive of the alternatives to fossil fuels but a substantial body of research and practical experience suggests that solar costs could fall to competitive levels with sufficient technological progress and increases...
Based on the practical experience in design and operation of three full-scale membrane bioreactors (MBR) for municipal wastewater treatment that were commissioned since 1999, an overview on the different design concepts that were applied to the three MBR plants is given. The investment costs and the energy consumption of the MBRs and conventional activated sludge (CAS) plants (with and without tertiary treatment) in the Erft river region are compared. It is found that the specific investment costs of the MBR plants are lower than those of comparable CAS with tertiary treatment. A comparison of the specific energy demand of MBRs and conventional WWTPs is given. The structure of the MBRs actual operational costs is...
Categories: Publication;
Types: Citation;
Tags: Considerations,
applications,
bioreactors,
design,
feasibility,
This dataset presents information about exploration sites relating to the mineral industries of Latin America and the Caribbean. Exploration sites include sites in active exploration status, sites with feasibility work being performed or planned, exploration at a producing mine for a mine expansion, or sites that are approved for or under development but not yet at the producing stage. Relevant data fields include the mineral commodities present at the site, project name, project type, operator, owners of the site, geographic coordinates, and locational accuracy. These data are dervied from work conducted by staff of the Material Flow Analysis section of the National Minerals Information Center.
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