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Direct solar water splitting cell using water, WO3, Pt, and polymer electrolyte membrane
He, Xiaoming; Boehm, Robert F. - In: Energy 34 (2009) 10, pp. 1454-1457
hydrogen from deionized water in sunlight. Spectral responsivity measurements under various temperatures and bias voltages were …, demonstrating the self-sustained photo electrolysis capability. Bias voltage effect on Solar to Hydrogen (STH) conversion efficiency …
Persistent link: https://www.econbiz.de/10011054303
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Characterization of a thermochemical reactor for thermal solar energy
Romero-Paredes, H.; Torres, A.; Ambriz, J.J. - In: Renewable Energy 10 (1997) 2, pp. 231-234
The main purpose of this work is to elucidate the thermochemical characteristics of a fluidized bed reactor to be used as a solar reactor in thermal energy storage. Zinc sulfate dissociation was studied over the temperature range from 973 to 1123 K. During the reaction problems such as non...
Persistent link: https://www.econbiz.de/10010807008
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Nitrate-nitrogen leaching from three specialty crops of New Mexico under furrow irrigation system
Sharma, Parmodh; Shukla, Manoj K.; Sammis, Theodore W.; … - In: Agricultural Water Management 109 (2012) C, pp. 71-80
April 2007 to June 2010 were analyzed for NO3-N and chloride concentrations. The NO3-N loadings below the rooting zone …
Persistent link: https://www.econbiz.de/10011047665
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Deep subsurface drip irrigation using coal-bed sodic water: Part I. Water and solute movement
Bern, Carleton R.; Breit, George N.; Healy, Richard W.; … - In: Agricultural Water Management 118 (2013) C, pp. 122-134
table beneath the fields. Native chloride and nitrate below 200cm depth are leached by the drainage. Some CBM water moves … upward from the drip tubing, drawn by drier conditions above. Chloride from CBM water accumulates there as root uptake … chloride has accumulated above the drip tubing in an alfalfa and grass field, respectively, following 6 years of irrigation …
Persistent link: https://www.econbiz.de/10010608191
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Risk Assessment in a Chemical Storage Facility
Boykin, Raymond F.; Freeman, Raymond A.; Levary, Reuven R. - In: Management Science 30 (1984) 4, pp. 512-517
A risk assessment was performed to assist in the evaluation of equipment improvements for a chemical storage facility. The risk assessment was accomplished through the use of several different methodologies e.g., fault tree analysis, event trees, and risk perspective techniques. The result of...
Persistent link: https://www.econbiz.de/10009191187
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Impact of the number of material measurement categories on measurement error
Burr, Tom; Hemphill, G. M.; Longmire, V. L.; Smith, M. K. - 2010
material and the type of interfering species, such as hydrogen in the case of neutron counting. Some assay techniques are less …
Persistent link: https://www.econbiz.de/10009435464
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New Horizons for Hydrogen: Producing Hydrogen from Renewable Resources
2011
Recent events have reminded us of the critical need to transition from crude oil, coal, and natural gas toward sustainable and domestic sources of energy. One reason is we need to strengthen our economy. In 2008 we saw the price of oil reach a record $93 per barrel. With higher oil prices,...
Persistent link: https://www.econbiz.de/10009436681
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Hydrogen Scenario Analysis Summary Report: Analysis of the Transition to Hydrogen Fuel Cell Vehicles and the Potential Hydrogen Energy Infrastructure Requirements
Greene, David L; Leiby, Paul Newsome; James, Brian; … - 2008
Achieving a successful transition to hydrogen-powered vehicles in the U.S. automotive market will require strong and … sustained commitment by hydrogen producers, vehicle manufacturers, transporters and retailers, consumers, and governments. The …, and ultimately the success of the transition itself. The transition to hydrogen-powered transportation faces imposing …
Persistent link: https://www.econbiz.de/10009437113
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Heliostat cost reduction study.
Jones, Scott A.; Lumia, Ronald.; Davenport, Roger; … - 2008
Power towers are capable of producing solar-generated electricity and hydrogen on a large scale. Heliostats are the … and hydrogen at $3.20/kg. We propose research and development that should ultimately lead to a price as low as $90/m{sup 2 …
Persistent link: https://www.econbiz.de/10009437129
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Running Out of and Into Oil: Analyzing Global Oil Depletion and Transition Through 2050
Greene, D.L. - 2008
possibility of transition to a hydrogen economy. These limitations were adopted to simplify the transition analysis. Inspection of …
Persistent link: https://www.econbiz.de/10009437246