Increasing the Efficiency of Existing Coal- Fired Power Plants

Increasing the Efficiency of Existing Coal- Fired Power Plants
Author: Richard J. Campbell
Publisher:
Total Pages:
Release: 2013
Genre:
ISBN:

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This report focuses on efficiency improvements to power plants, and discusses retrofits, technologies, and other modifications to facility operations which offer the potential to improve power plant efficiency and reduce CO2 emissions.

Emissions Reduction Through Upgrade of Coal-Fired Power Plants: Learning from Chinese Experience

Emissions Reduction Through Upgrade of Coal-Fired Power Plants: Learning from Chinese Experience
Author: Association internationale pour l'évaluation du rendement scolaire
Publisher:
Total Pages: 58
Release:
Genre: China
ISBN: 9789264247499

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Abstract: Coal is the principal fuel for the generation of electrical power globally. It is the leading source of power generation in OECD countries and the dominant fuel source behind economic growth in non-OECD countries. However, while providing over 40% of the world's electricity, it is responsible for more than 70% of the CO2 arising from electricity generation. The IEA carried out a project to examine the potential to improve the performance of existing coal-fired plants. Two power units in China were selected to showcase measures that would improve their net efficiency. The results built on the efficiency gains made under China's national energy efficiency improvement programme and demonstrated the enormous potential to improve performance, with each percentage point increase capable of reducing CO2 emissions by many millions of tonnes over a unit's operational lifetime. Experiences learned in China can be applied to improving coal-fired power plant efficiency worldwide

Displacing Coal with Generation from Existing Natural Gas-Fired Power Plants

Displacing Coal with Generation from Existing Natural Gas-Fired Power Plants
Author: Stan M. Kaplan
Publisher: DIANE Publishing
Total Pages: 34
Release: 2010-11
Genre: Science
ISBN: 1437928366

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Reducing carbon dioxide emissions from coal plants can cut greenhouse gas emissions. One option is to replace some coal power with natural gas (NG) generation, a low carbon source of electricity, by increasing the power output from underutilized NG plants. This report provides an overview of the issues. Contents: (1) Intro.; (2) Background on Gas-Fired Generation and Capacity: Trends; Factors Supporting the Boom in Gas-Fired Plant Construction; Carbon Dioxide Emissions; (3) Coal Displacement Feasibility Issues; Estimates of Displaceable Coal-Fired Generation and Emissions; Transmission System Factors; Long-Distance Transmission Capacity; Transmission System Congestion; NG Supply and Price; NG Transport. and Storage.

Improving the Efficiency of Coal-fired Power Plants

Improving the Efficiency of Coal-fired Power Plants
Author: Roland Ludovic
Publisher: Nova Science Publishers
Total Pages: 0
Release: 2014
Genre: Carbon dioxide mitigation
ISBN: 9781631175909

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Coal has long been the major fossil fuel used to produce electricity. However, coal-fired electric power plants are one of the largest sources of air pollution in the United States, with greenhouse gas (GHG) emissions from burning of fossil fuels believed to be the major contributor to global climate change. Regulations under development at the Environmental Protection Agency (EPA) would impose new requirements on fossil-fuelled (mostly coal-fired) power plants (CFPPs) to control GHG emissions. This book focuses on efficiency improvements to power plants, and discusses retrofits, technologies, and other modifications to facility operations which offer the potential to improve power plant efficiency and reduce CO2 emissions.

Clean and Efficient Coal-fired Power Plants

Clean and Efficient Coal-fired Power Plants
Author: Heinz Termuehlen
Publisher: American Society of Mechanical Engineers
Total Pages: 168
Release: 2003
Genre: Technology & Engineering
ISBN:

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This book presents the evolution toward advanced coal-fired power plants. Advanced power plants with an efficiency level of 45% are today commercially available and even more efficient plants are in their development phase. Considering that presently many pulverized coal-fired power plants operate with an efficiency of about 32%, an improvement of more than 40% specific coal consumption and CO2 discharge can be achieved. Before trying to apply as a secondary measure the use of carbon sequestration, it seems that this 40% specific CO2 discharge reduction as a primary measure can much easier be achieved. The effect of power generation on the environment can be drastically improved by the use of flue gas cleanup systems in advanced pulverized coal-fired power plants (SO2 emission reduction from 40 to 1.4 lb/MWh and NOx emission reduction from 7.5 to 0.64 lb/MWh). With an increased number of coal-fired plants, CO2 discharge and emissions can be reduced, even with an increase of electric power generation in the US by 38% over the next 20 years. Even though the book concentrates on pulverized coal-fired power plants, it also discusses and compares other options like fluidized-bed combustion and coal gasification.

THE COAL COST CROSSOVER: ECONOMIC VIABILITY OF EXISTING COAL COMPARED TO NEW LOCAL WIND AND SOLAR RESOURCES

THE COAL COST CROSSOVER: ECONOMIC VIABILITY OF EXISTING COAL COMPARED TO NEW LOCAL WIND AND SOLAR RESOURCES
Author: Eric Gimon
Publisher: Vibrant Clean Energy, LLC
Total Pages: 24
Release: 2019-03-15
Genre: Science
ISBN:

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America has officially entered the “coal cost crossover” – where existing coal is increasingly more expensive than cleaner alternatives. Today, local wind and solar could replace approximately 74 percent of the U.S. coal fleet at an immediate savings to customers. By 2025, this number grows to 86 percent of the coal fleet. This analysis complements existing research into the costs of clean energy undercutting coal costs, by focusing on which coal plants could be replaced locally (within 35 miles of the existing coal plant) at a saving. It suggests local decision-makers should consider plans for a smooth shut-down of these old plants—assessing their options for reliable replacement of that electricity, as well as financial options for communities dependent on those plants. This report should begin a longer conversation about the most cost-effective replacement for coal, which may include combinations of local or remote wind, solar, transmission, storage, and demand response.

Coal

Coal
Author: National Research Council
Publisher: National Academies Press
Total Pages: 303
Release: 1995-06-13
Genre: Science
ISBN: 0309052327

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The U.S. Department of Energy (DOE) was given a mandate in the 1992 Energy Policy Act (EPACT) to pursue strategies in coal technology that promote a more competitive economy, a cleaner environment, and increased energy security. Coal evaluates DOE's performance and recommends priorities in updating its coal program and responding to EPACT. This volume provides a picture of likely future coal use and associated technology requirements through the year 2040. Based on near-, mid-, and long-term scenarios, the committee presents a framework for DOE to use in identifying R&D strategies and in making detailed assessments of specific programs. Coal offers an overview of coal-related programs and recent budget trends and explores principal issues in future U.S. and foreign coal use. The volume evaluates DOE Fossil Energy R&D programs in such key areas as electric power generation and conversion of coal to clean fuels. Coal will be important to energy policymakers, executives in the power industry and related trade associations, environmental organizations, and researchers.

Coal-Fired Power Plants

Coal-Fired Power Plants
Author: Sharon Phillips
Publisher:
Total Pages: 126
Release: 2015
Genre: Coal-fired power plants
ISBN: 9781634836210

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Coal has long been the major fossil fuel used to produce electricity. The existing coal-fired power generation fleet consists of over fifteen hundred separate units ranging in size from just a few megawatts (MW) to thirteen hundred (1,300) MW. Together these coal-fired power plants (CFPPs) constitute over 300 gigawatts (GW) of installed electric generating capacity and are responsible for generating more electricity than any other fuel type in the United Sates: between thirty-seven and fifty percent of the total kilowatt-hours (kWh) produced annually during the last decade. However, coal-fired electric power plants are one of the largest sources of air pollution in the United States, with greenhouse gas (GHG) emissions from burning of fossil fuels believed to be the major contributor to global climate change. This book discusses efficiency improvement options of coal-fired power plants.

Coal

Coal
Author: National Research Council
Publisher: National Academies Press
Total Pages: 183
Release: 2007-12-21
Genre: Science
ISBN: 030911022X

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Coal will continue to provide a major portion of energy requirements in the United States for at least the next several decades. It is imperative that accurate information describing the amount, location, and quality of the coal resources and reserves be available to fulfill energy needs. It is also important that the United States extract its coal resources efficiently, safely, and in an environmentally responsible manner. A renewed focus on federal support for coal-related research, coordinated across agencies and with the active participation of the states and industrial sector, is a critical element for each of these requirements. Coal focuses on the research and development needs and priorities in the areas of coal resource and reserve assessments, coal mining and processing, transportation of coal and coal products, and coal utilization.

Conversion of Coal-Fired Power Plants to Cogeneration and Combined-Cycle

Conversion of Coal-Fired Power Plants to Cogeneration and Combined-Cycle
Author: Ryszard Bartnik
Publisher: Springer Science & Business Media
Total Pages: 158
Release: 2011-07-28
Genre: Technology & Engineering
ISBN: 0857298569

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Conversion of Coal-Fired Power Plant to Cogeneration and Combined-Cycle presents the methodology, calculation procedures and tools used to support enterprise planning for adapting power stations to cogeneration and combined-cycle forms. The authors analyze the optimum selection of the structure of heat exchangers in a 370 MW power block, the structure of heat recovery steam generators and gas turbines. Conversion of Coal-Fired Power Plant to Cogeneration and Combined-Cycle also addresses the problems of converting existing power plants to dual-fuel gas-steam combined-cycle technologies coupled with parallel systems. Conversion of Coal-Fired Power Plant to Cogeneration and Combined-Cycle is an informative monograph written for researchers, postgraduate students and policy makers in power engineering.