The U.S. Department of Energy (DOE) estimates that in the coming decades the United States' natural gas (NG) demand for electricity generation will increase. Estimates also suggest that NG supply will increasingly come from imported liquefied natural gas (LNG). Additional supplies of NG could come domestically from the production of synthetic natural gas (SNG) via coal gasification-methanation....

Coal is the primary fuel for electricity generation in India and its usage is continuously increasing to meet the energy demands of the country. This paper presents emissions of carbon dioxide (CO2), sulfur dioxide (SO2), and nitric oxide (NO) from thermal power plants in India for a period of nine years from 2001-02 to 2009-10. The emission estimates are based on a model in which the mass emis...

Many thermal power plants use coal as their fuel. To handle the coal, each power station is equipped with a coal handling plant. The coal has to be sized, processed, and handled which should be done effectively and efficiently. While working in the coal handling plant the major factor which reduces staff efficiency is the working environment i.e. a dusty atmosphere. Lots of care is always taken...

Polygeneration is the process of combining multiple utility outputs with one or more input(s) in a single integrated unit. The integration is towards a higher energy efficiency as well as environment friendliness. Fossil fuels, specifically coal, will continue as the prime source of energy for a considerable future. However Carbon-dioxide emissions from coal based plants has serious „climate ch...

A project on co-firing in large-scale power plants burning coal is currently funded by the European Commission. It is called COPOWER. The project involves 10 organisations from 6 countries. The project involves combustion studies over the full spectrum of equipment size, ranging from small laboratory-scale reactors and pilot plants, to investigate fundamentals and operating parameters, to provi...

Executive Summary This report examines three different methods of carbon dioxide (CO 2) capture for carbon capture and sequestration (CCS) systems for coal fired power plants. The purpose of this report is to compare the three distinct technologies for overall feasibility of large scale implementation on standard coal power plants. Many political and economic reasons have forced industries, inc...

OVERVIEW: Among the international efforts to curb global warming, practical application of CO2 removal technology and improvement of powergeneration efficiency — for reducing CO2 emission from thermal power plants (which will probably remain the prime source of power in future) — will, at the very least, become urgent issues over the next several decades. Accordingly, the Hitachi Group is aimin...

Recently, the worldwide supply of rare earth element (REE) resources will be severely restricted. On the other hand, coal fly ash particles emitted from coal-fired electric power plants contain relatively high concentrations of REEs. The contents of REEs in coal fly ash are regularly several hundreds of ppmw. In order to extract and recover REEs from coal fly ash particles, as a first step, we ...