Sentences with phrase «coal combustion with»

Not exact matches

The analyses show that coal combustion is the single largest source of air pollution - related health impact, contributing to some 366,000 premature deaths in China in 2013, with industry and household combustion as major contributors as well.

Pretreating with thermal depolymerization also makes coal more friable, so less energy is needed to crush it before combustion in electricity - generating plants.

With this kind of steady continuous combustion, it takes 95 days using coal, 124 days using oil, and 161 days using natural gas.

And if you didn't do that with the refrigerator you would have do that with the coal plant or combustion turbine running up and down, and doing that makes that unit run much more inefficiently.

The Northwestern development could lead to new thermoelectric devices with potential applications in the automobile industry, glass - and brick - making factories, refineries, coal - and gas - fired power plants, and places where large combustion engines operate continuously (such as in large ships and tankers).

Paul Epstein, associate director of the Center for Health and the Global Environment at Harvard Medical School, details the economic, health and environmental costs associated with each stage in the life cycle of coal — extraction, transportation, processing, and combustion.

If those interpretations are correct, then I'm thinking the burden of this discussion is that the authors think that «thermogenic» carbon is necessary to account for the PETM — in line with the somewhat well - known idea of volcanic combustion of coal beds, as mentioned a couple of times in Mark Lynas's «Six Degrees.»

Third, the recent paper by Samset et al in GRL found that the loss of the cooling anthropogenic aerosols (primarily sulphates) emitted with fossil fuels combustion (mostly from coal and bunker fuels) would result in a near real - time warming of 0.5 C to 1.1 C.

Raypierre makes the case very clear in the current Chicago Int» l Law J. that closed system combustion with oxygen can avoid much of the externalization of costs built into current plants; I imagine it can even contain the uranium and thorium fallout from coal (which is worse than that from a properly operated fission plant).

The comment, made during a Jan. 17 interview with the editorial board of The San Francisco Chronicle, essentially explains how the kind of cap and trade mechanism sought by both Mr. Obama and Senator John McCain (the latter at least in his platform, if not on the stump) would make coal combustion ever more costly (unless the world finally gets serious about investing in large - scale testing and deployment of systems for capturing and burying carbon dioxide).

You can get about 50 times the energy out of solar cells covering the same area as a bio-reactor tank that depends on photosynthesis, so I don't think the idea that fertilizing bio-fuels with the CO2 from coal combustion makes sense.

It's good old fashioned black carbon soot — a visible pollutant with measurable effects on human health both in poor places, where it comes from cooking or heating using coal, firewood or dung, and rich countries, where it is produced mainly through the combustion of diesel and similar fuels and from some industries.

Natural gas is widely considered to be an environmentally cleaner fuel than coal because it does not produce detrimental by - products such as sulfur, mercury, ash and particulates and because it provides twice the energy per unit of weight with half the carbon footprint during combustion.

Well, with 43 % of current world emissions from fuel combustion coming from coal (2009, IEA figures), we can forget about that.

The influence of the Sun on the Earth is seen increasingly as one cause of the observed global warming since 1900, along with the emission of the greenhouse gas, carbon dioxide, from the combustion of coal, gas, and oil.

Just a quick note to those seeking a rapid decline in emissions of greenhouse gases (and other pollution) from coal combustion: The challenge, in a world with rising populations and energy appetites, is getting harder by the day.

So if the world moves toward a system for tracking emissions, who is responsible for a particular batch of carbon dioxide — the company that mined and sold the coal, the power plant that burned it, the consumer who buys the exported widget made with the electricity generated by that combustion, or...?

The problem, of course, is that coal combustion remains king in industrial and industrializing economies, with China's coal plans being the dominant factor in greenhouse projections for decades to come.

Cathles is quick to note that shifting from coal to gas is no panacea, given that combustion of any fossil fuel comes with emissions of greenhouse gases.

Flint Creek Power Plant ranked number 96 on the list, with 221,456 pounds of coal combustion waste released to surface impoundments in 2006.

Monroe Power Plant ranked number 5 on the list, with 4,110,859 pounds of coal combustion waste released to surface impoundments in 2006.

Measures to enable, say, wind power to compete more effectively with coal - based electricity invite an outcome that is the worst of both worlds: coal combustion continues, even as wind power subsidies benefit developers while adding to budget woes.

The pollutants resultant from combustion vary with paper as they do with coal dependent upon things such as moisture content and temperatures and degree of combustion that occurs.

Yes I can say Muller misstated the difference in emissions between coal, oil and gas, because the other components of life cycle emissions (such as the fugitive emissions you referred to) are small compared with emissions from fuel combustion.

These include pulverised coal combustion (PCC) with both subcritical and supercritical (the latter involving very high steam pressure and temperature) cycles, a natural gas - fired combined cycle plant, and a review of current and future applications of coal - fuelled integrated gasification combined cycle (IGCC) plants.

The combustion of coal generates waste consisting primarily of non-combustible mineral matter along with a small amount of unreacted carbon.

For example, increasing combustion efficiency in households cooking with biomass or coal could have climate benefits by reducing CAPs and at the same time bring major health benefits among poor populations.

Zero - emission technology most typically involved the vision of coal gasification, in which pollutants would be separated out of the emissions stream prior to combustion, together with carbon capture and sequestration, in which carbon dioxide would be liquified and stored permanently underground.

These included replacement of high - sulfur coal with low - sulfur coal, scrubbers, electrostatic precipitators, coal cleaning techniques, and development of higher efficiency combustion techniques that allowed more electricity to be generated per ton of emissions.

Fossil Fuel is a generic term that isn't quite correct Natural Gasoline is a distilled derivative of oil but almost all ofit is manufactured from cracked and recombined oil derivativeswhile natural gasoline is further refined intoPropane, butane, Proproline (a plastics feed stock), and Natural gasand also separates out sulfur (for fertilizer and explosives) Gasoline can be made from coal («Coaline») or from organic matter («Bio-fuel») but uses a few of oil based feed stocks instead tomake «Sythiline» (artificial gasoline) This gasoline is actually cleaner burning then natural gas with allit's «flare offs» (butane, propane, propoline, sulfur) used in theearly 19th century because it is manufactured only with essentialHydrocarbons Diesel fuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damaged.

In conclusion, we have identified strong ethical arguments that support the need to ramp up non-fossil fuel combustion in the United States and other developed countries while implicitly acknowledging that there could be some short - term benefit if coal combustion is replaced by natural gas, a conclusion that only can be reached with better understanding of the methane leakage issues.

The review also notes that coal combustion remains the largest source of greenhouse gas emissions and local air pollution in the Czech Republic and highlighted the benefits of retrofitting existing coal - fired power plants with cost - effective emissions controls, and replacement of ageing plants with high - efficiency technology.

That has come courtesy of its association with conventional natural gas - which produces much less CO2 on combustion than coal and oil, and which is often touted as a «clean» fuel.

The study, which was released in the Annals of the New York Academy of Sciences, tallied the economic, health and environmental costs associated with each stage in the life cycle of coal — extraction, transportation, processing, and combustion - and estimated those costs, which are borne by the public at large, to be between $ 175 billion and $ 500 billion dollars annually.

They took the easy way out, and hastily filled the gap with increased coal and gas combustion.

Rights - of - way on public lands result in landscape and habitat fragmentation, while coal combustion produces a number of gaseous byproducts, including CO2, nitrogen dioxide, sulfur dioxide, and methane — which exacerbate climate change and are associated with ground - level ozone (smog), air pollution, and acid rain.

Thus, we neither favor nor oppose so - called «clean coal,» i.e., combustion of coal with carbon dioxide captured and sequestered from the atmosphere; though we're not bullish on Carbon Capture and Storage in light of the considerable (~ 30 - 40 %) oversizing of generating capacity and coal throughput required to process flue gas to safely remove 90 % or more of the CO2.

From 2010 to 2011, CO2 emissions from fossil fuel combustion decreased by 2.5 % due to: (1) a decrease in coal consumption, with increased natural gas consumption and a significant increase in hydropower used; (2) a decrease in transportation - related energy consumption due to higher fuel costs, improvements in fuel efficiency, and a reduction in miles travelled; and (3) relatively mild winter conditions resulting in an overall decrease in energy demand in most sectors.

«The only way this will be possible,» he said, «will be by upgrading almost all combustion units, and the ultimate cost of the upgrades will make coal noncompetitive with much - less - expensive natural gas — fired facilities.»

Using methane's 20 - year GWP — a measure of the short - term climate impact of different GHGs — increases the share of oil and gas methane to over 8 % of global GHG (with emissions of 5,650 Mt CO2e), the equivalent of about 40 % of total CO2 emissions from global coal combustion in 2012.

Currently, the combustion of coal, oil and gas, together with other activities, add approximately 7 billion tonnes of carbon to the atmosphere every year.

Coal combustion releases sulfur dioxide (SO2) and nitrogen oxides (NOx), which react with water and oxygen to form acid rain.

[7][8] The vast majority of anthropogenic carbon dioxide emissions (i.e., emissions produced by human activities) come from combustion of fossil fuels, principally coal, oil, and natural gas, with comparatively modest additional contributions coming from deforestation, changes in land use, soil erosion, and agriculture.

While a great deal of the energy liberated from natural gas combustion is from formation of water by uniting hydrogen with oxygen, in coal, much of the energy liberated is from oxidation of carbon.

Carbon dioxide (CO2) forms during coal combustion when one atom of carbon (C) unites with two atoms of oxygen (O) from the air.

Progress Energy's Asheville Plant ranked number 69 on the list, with 411,793 pounds of coal combustion waste released to surface impoundments in 2006.

[19] Progress's Sutton Steam Plant ranked number 55 on the list, with 548,210 pounds of coal combustion waste released to surface impoundments in 2006.

Since fracking is increasingly widespread, these local environmental problems now affect more people at a greater severity than local problems associated with coal combustion.

Combine that with the direct damage that air pollution from coal combustion does to human health, and there's a reason why some have called coal the enemy of the human race.»

Areas of experience; HRSGs, coal fired boilers, combustion turbine / generators, wet and dry FGD systems, hot SCRs and auxiliary systems associated with power generation facilities.