coal power generation Articles
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Environmental impacts of integrating wind energy systems and supplemental energy generation and storage systems
Wind energy systems offer a promising alternative energy source due to the environmental, economic, and social benefits and, as a result, have garnered support for development and implementation. One of the major drawbacks of wind energy, however, is its variability due to the stochastic nature of wind, thus, supplemental energy generation or storage technologies are required. In this study, a ...
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The international coal industry: comments on the paper by David Humphreys and Keith Welham
This comment discusses in more detail one of the primary messages in the paper by David Humphreys and Keith Welham, namely the fundamental shift in the steam coal industry away from security of supply concerns and national focuses towards an international and cost-driven perspective. On the supply side, this has meant an increased focus on mining productivity. By consulting recent research, this ...
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CSP technology advances crucial for cutting costs in South Africa
With some of the highest levels of Direct Normal Irradiance (DNI) in the world, CSP is positioned to play an immense role in South Africa’s energy landscape. Currently, four CSP technologies are being promoted internationally, parabolic trough, power tower, fresnel and dish stirling, but with the lack of operational data in South Africa the industry is still evaluating the suitability of ...
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FGD Spray Headers - Case Study
Project: FGD SPRAY HEADERS Client: U.S. coal-fired power plants General Scope: A total of fifteen spray headers for three identical absorbers and six spray headers for a larger absorber. Engineering/Procurement: Babcock Power Environmental Inc. Resin & Laminate Construction: Hetron 922 vinyl ester was selected for the service. The headers had an interior abrasion-resistant liner of ...
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Storing carbon: options for liability risk management, financial responsibility
The authors of this article say the technical complexity, economic impacts, social demand, and political challenges underpinning the deployment of carbon capture and storage technology to reduce greenhouse gas emissions from coal-fired electric power generation are daunting, but not unprecedented. In response to these challenges, the authors recommend the creation of a new “federal government ...
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Negative Power Generation Aspects of Adopting Renewable Sources
Renewable energy resources are all the rage nowadays on a global scale with the biggest benefit of providing unlimited access without any fear of depletion or running out in the near future. It also provides the edge of saving the continuously decreasing fossil fuel reserves and to protect the planet against the harmful pollution caused by the burning of all non-renewable resources. Some common ...
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National implementation of carbon capture and storage: The case of Germany
As Germany is – and will remain for the immediate future – dependent on coal for generating power and ensuring energy supply, the German Government and various representatives from the private sector are currently assessing and promoting so called “Clean Coal” technologies, such as Carbon Capture and Storage (CCS). Scientific research and industrial pilot projects for capturing and storing carbon ...
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Comparison of employment potential of the coal and wind power industries
Australia, one of the world's largest producers of coal, is used as a case study to compare the employment potential in the coal and wind power electricity generation industries. It is revealed that, as a result of automation, employment in the coal mining industry fell by 45% between 1987 and 2002. Moreover, as a result of the restructuring of the electricity industry as a whole, employment in ...
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FGD Recycle Pipe & Header - Case Study
Project: FGD RECYCLE PIPE & HEADER Client: A U.S. coal-fired power plant General Scope: 76” diameter recycle pipe system Engineering/Procurement: Advatech LLC. Resin & Laminate Construction: Hetron 922 vinyl ester was selected for the service. All pipe had an interior abrasion-resistant liner of 0.100”. The structural laminate was filament wound. Production Facts: ...
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Efficiency analysis of coal-based thermal power generation in India during post-reform era
Coal-based thermal power stations are the leaders in electricity generation in India. This study employs the stochastic frontier production function methodology for panel data to measure the technical efficiency (TE) of coal-based thermal power plants in India during 1994-1995 to 2001-2002. Efficiency varies widely across plants and regions, while the TE is time-invariant. The average TE is ...
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Value of nuclear power in the global energy system
With a global energy model which finds the minimum cost energy system over the time range of 1995-2055, the value of nuclear power is analysed. The model incorporates detailed descriptions of energy conversion technologies. For nuclear technologies, light water reactors and fast breeder reactors are taken into account with fuel cycle options. Major findings are: 1) the maximum introduction of ...
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Thermal Energy Utilization in Waste Tire Recycling
Thermal energy utilization is one of waste tire recycling methods. Thermal energy utilization is used waste tires as alternative fuel. Is a high calorific value waste tire material, per kg higher calorific value than the wood of 69%, higher than that of bituminous coal 10%, 4% higher than Coke. But the pollution is seriously direct comparison of combustion heat recovery, so this way should not ...
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A long year in the life of the US coal industry
With concerns about climate change mounting, the era of coal-fired electricity generation in the United States may be coming to a close. In early 2007, a US Department of Energy report listed 151 coal-fired power plants in the planning stages in the United States. But during 2007, 59 proposed plants were either refused licenses by state governments or quietly abandoned. In addition, close to 50 ...
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Business viability of biomass co-firing and gasification for electricity generation
Greenhouse gas reduction occurs as a result of substitution of woody biomass for coal. Coal is the worst amongst all the fossil fuels in terms of greenhouse gas emission per unit of electricity generated. Recent concerns related to the environmental impact of greenhouse gases from using fossil based feedstock, like coal, for the generation of power, specifically electricity have driven the need ...
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Understanding fuel switching under the EU ETS
Since the creation of the European Union Emission Trading Scheme (EU ETS), European power producers have monitored carbon emissions resulting from the composition of their production. Fuel switching is the main short–term abatement measure under the EU ETS. It consists in substituting combined cycle gas turbines (CCGTs) for hard–coal plants in off–peak power generation. Thereby coal plants run ...
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A Green Cloud is a Transparent Cloud
Guest Blogger, Energy Efficiency Markets At Connectivity Week in Santa Clara, recently, I took part in a series of panel discussions on data center energy efficiency. The discussions covered a wide range of issues from the practicalities of infrastructure optimization to the possible role of data centers in demand response schemes. There was a particular focus on the importance, and also the ...
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APS - Redhawk Power Station, Arlington, AZ
APS (Arizona Public Service) has been a leading provider of electricity and energy products and services to the Western United States for over a century. With power plants located throughout the Southwestern U.S., APS provides natural-gas, coal and nuclear generated electrical power to the region. Project Description and ChallengesAPS commissioned the Redhawk Power Station in 2002. The plant is ...
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President Obama’s Climate Action Plan: Can it Shift the World Away from Coal?
While reactions to President Obama’s newly announced climate plan have focused on domestic action, the plan actually has potentially significant repercussions for the rest of the world. These repercussions will come in part through his commitment to limit U.S. investments in new coal-fired power plants overseas. If fully implemented, the plan will help ensure that the U.S. government ...
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Fact Sheet: U.S. electricity markets increasingly favor alternatives to coal
The U.S. electric power system is gradually shifting toward cleaner forms of generation. One sign of this transition is the declining use of coal for electric power production. In 2011, use of coal for U.S. power generation dropped to its lowest level in more than a decade, according to the federal government’s independent U.S. Energy Information Administration (EIA). In fact, the EIA ...
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AMETEK Land - World Coal - Beat the Heat
Between the time a piece of coal is dug out of the ground and is burned in a power plant boiler, it has been through many stages of transportation and storage. One of the advantages of coal as a fuel for power generation is the ability to store substantial quantities on site. This provides a strategic buffer of at least one month's fuel supply, which can be valuable if there is a short- or ...
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