Sentences with phrase «for coal combustion»

Yet even if there is some short - term benefit from substituting natural gas for coal combustion, there is no ethical basis for doing this without simultaneously aggressively ramping up non-fossil fuel electricity combustion.

Not exact matches

«Electricity is produced, for the most part, by combustion of fuels, primary coal,» the company says.

This graph shows the ratio of warming from accumulated atmospheric carbon dioxide to warming from combustion for coal, oil, and gas plants over time.

Uniquely spherical magnetic minerals wafted over the world by coal burning can be found from peat bogs to lake sediments and may furnish a record of this carbon combustion for future geologists.

Until advanced coal - combustion technologies become widely available that allow CO2 to be captured and stored safely underground, the shift to coal is bad news for climate change because coal plants usually emit about twice the CO2 per kilowatt - hour of electricity that gas plants do.

Air pollution control devices called scrubbers use a sprayed slurry of ground limestone and water to remove sulfur dioxide from gases formed in coal combustion, said Tom Schmaltz, environmental director for Headwaters Resources, a world leader in coal combustion products.

Of the coal ash produced, less than.02 percent is recycled for agriculture production, Li said, making it one of the least used byproducts of coal combustion.

«(B) the nonemissive use, in 2012 or later, of petroleum - based or coal - based liquid or gaseous fuel, petroleum coke, natural gas liquid, or natural gas as a feedstock, if allowances or offset credits were retired for the greenhouse gases that would have been emitted from their combustion; and

By comparison, scenarios for fossil fuel emissions for the 21st century range from about 600 billion tons (if we can keep total global emissions at current levels) to over 2500 billion tons if the world increases its reliance on combustion of coal as economic growth and population increase dramatically.

In addition, gas combustion is not carbon - free, producing about 60 % of the CO2 produced by coal for the same electrical generation.

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.

There's also the inescapable truth that, even you assume for sake of argument that the electricity you stick in your Model S is 0 % renewable and 100 % coal, you are at least keeping the poisonous side - effects of combustion away from urban centres and are not dragging a potpourri of contaminants down high streets and past schools or sitting in a fuggy 25 mile tailback of them.

Consider, for example, that the Tennessee Valley Authority (TVA) generates about 60 % of its energy via coal - fired power plants and combustion turbines.

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.»

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).

If someone in India dies from air pollution related diseases because India insists on cheap energy, so passes on the need for cleaning up coal combustion.

And for those of you who want to insist that aerosols produced by the uncontrolled burning of coal neutralized the effects of AGW from 1940 to 1979, please explain how the same argument could not be made for the effects of coal - induced aerosols during this earlier period, when no constraints on the polluting effects of coal combustion were present at all.

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...?

Why don't you spend as much researching multi-megawatt-hour lithium batteries for centralized storage of energy from distributed collectors as you do on oxymoronic «clean coal» combustion?

And, if anything, these countries are more insistent than ever (see China's stance discussed here) that the heavy lifting, not marginal Obama - style cuts, needs to be done (or somehow paid for) by the world's established powers, which built their prosperity on decades of unrestrained coal and oil combustion.

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.

Carbon capture is costly in part because it requires additional energy to capture and separate CO2 from a heterogeneous mix — as emerges from the stack of a coal combustion facility for example.

At present, an estimated 2.8 million people die prematurely each year because of the smoky environments caused by burning solid biomass in inefficient stoves or from combustion of kerosene or coal for cooking.

What this means in plain English is, for example, that making coal or crude oil combustion more efficient could count as climate finance.

How CHP works is by using the heat that would otherwise be wasted in exhaust gases from fossil combustion systems, such as flue gases from a coal - or biomass - fueled boiler or exhaust from a gas turbine or reciprocating engine, to produce steam and / or hot water for various industrial or commercial needs.

Other programs that provide economic support for coal include federal and state tax breaks, the Rural Utilities Service loan guarantee program, research on new combustion technologies by the Department of Energy, and the Department of the Interior's coal leasing program.

I am all for making fossil fuels cleaner, and much work has already been done to make various fossil fuel devices (coal - fired power stations, internal combustion engines, etc) emit less pollution like NOx, SOx, Hg, Pb, and particulates.

They compared estimated emissions for shale gas, conventional gas, coal (surface - mined and deep - mined) and diesel oil, taking into account direct emissions of CO2 during combustion, indirect emissions of CO2 necessary to develop and use the energy source and methane emissions, which were converted to equivalent value of CO2 for global warming potential.

The energy system reference cases used for future greenhouse gas (GHG) emission pathways in climate change research are a case in point: baseline emission scenarios commonly project levels of coal combustion many times higher than current reserve estimates by the year 2100.

«Industrial coal combustion is estimated to provide about 9 % of global emissions, mainly in small boilers, process heat for brick and lime kilns, and coke production for the steel industry.

The poor combustion and mixing in these simple devices result in relatively high POA: BC ratios, but SO2 emissions are low except for coal.»

Natural gas combustion for electricity emits only half of the carbon pollution compared to coal combustion.

Given that the models assume that future coal combustion will be significantly curtailed, the alternative cement solution relies on storing fly ash for reuse, diverting it from other uses, and mining fly ash that was previously deposited in landfill.

To derive a global budget for just coal emissions, we applied coal's proportion of fuel combustion (40 %) to both the precautionary global fossil fuel budget (500GtCO2) to have an 80 % of limiting global warming to 2 °C, and the optimistic budget of 900GtCO2.

Caption: Ratio of warming from accumulated atmospheric carbon dioxide to warming from combustion for coal, oil, and gas plants over time.

There is increasing awareness of the opportunities to reprocess power station waste into valuable materials for use primarily in the construction and civil engineering industry (see coal combustion products).

Since rising levels of atmospheric carbon dioxide — emitted from the combustion of coal, gas and oil — are what drives global warming, there is no shortage of raw material for the experiment.

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.

To prohibit the Environmental Protection Agency from regulating coal combustion byproducts as hazardous waste under subtitle C of the Solid Waste Disposal Act, and for other purposes.

We need a replacement for cheap low tech coal combustion for power production.

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.

The focus articulated here for cooperation on on - the - ground, bottom - up clean - energy projects — including those in electric vehicles, energy efficiency, renewable energy, and cleaner combustion of coal and shale gas — demonstrates the beginning of a positive, cooperative, and comprehensive relationship on clean energy.

Mining, transportation, and combustion of coal contribute to poor air quality and respiratory disease, while the risky nature of mining coal results in death and injury for workers.»

The Bill already includes an 18 % reduction in the budget of the EPA but the additional measures include a rider preventing the EPA from issuing any regulation on greenhouse gases for the next year, a rider stopping the EPA from bringing in proposed fuel - efficiency standards for all automobiles (which were approved by manufacturers) a refusal to label toxic ash spill left from coal combustion as hazardous waste, a rider preventing uranium mining in the Grand Canyon and a prevention on stopping limits on mercury usage.

The loophole unlocked 347 million tons of coal for mining and combustion by allowing road construction for coal mines.

Using a 20 - year GWP for methane, the 50 % goal would achieve reductions of over 2,300 MTCO2e (the equivalent of India and the EU's combined CO2 emissions from coal combustion in 2012) and the 75 % goal would reduce emissions by around 3,400 MTCO2e (nearly as much as all CO2 emissions from coal combustion from OECD countries in 2012).

This is happening to thousands of Americans right now — and the toxic waste is coal ash, the by - product of burning coal for energy.Coal - fired power plants produce approximately 131 million tons of waste per year, making coal combustion waste the second largest industrial waste stream in the U.S. Coal ash contains numerous hazardous chemicals, including arsenic, selenium, lead, mercury, cadmium, chromium, boron, thallium, and alumicoal ash, the by - product of burning coal for energy.Coal - fired power plants produce approximately 131 million tons of waste per year, making coal combustion waste the second largest industrial waste stream in the U.S. Coal ash contains numerous hazardous chemicals, including arsenic, selenium, lead, mercury, cadmium, chromium, boron, thallium, and alumicoal for energy.Coal - fired power plants produce approximately 131 million tons of waste per year, making coal combustion waste the second largest industrial waste stream in the U.S. Coal ash contains numerous hazardous chemicals, including arsenic, selenium, lead, mercury, cadmium, chromium, boron, thallium, and alumiCoal - fired power plants produce approximately 131 million tons of waste per year, making coal combustion waste the second largest industrial waste stream in the U.S. Coal ash contains numerous hazardous chemicals, including arsenic, selenium, lead, mercury, cadmium, chromium, boron, thallium, and alumicoal combustion waste the second largest industrial waste stream in the U.S. Coal ash contains numerous hazardous chemicals, including arsenic, selenium, lead, mercury, cadmium, chromium, boron, thallium, and alumiCoal ash contains numerous hazardous chemicals, including arsenic, selenium, lead, mercury, cadmium, chromium, boron, thallium, and aluminum.

Larger image to save or print.The main human activity that emits CO2 is the combustion of fossil fuels (coal, natural gas, and oil) for energy and transportation, although certain industrial processes and land - use changes also emit CO2.

The ratio of carbon to heat content was computed for each of the 5,426 selected coal samples by coal rank and State of origin under the assumption that all of the carbon in the coal is converted to carbon dioxide during combustion.

The emission factors for coal consumption involving combustion are based on the assumption that all of the carbon in coal is converted to carbon dioxide during combustion.