Sentences with phrase «using coal wastes»

On the northeast coast there is talk of using coal wastes, and of chemically treating the millions of old tyres littering waste dumps and sinking them in «concrete boots».

Not exact matches

But since Trump has been in office, the GOP has used the CRA more than a dozen times to roll back Obama - era rules and regulations, including one to protect broadband consumer privacy, one to curb bribery and corruption in the energy industry, and one to stop coal companies from dumping waste into streams and waterways.
By: Nadine James 16th September 2016 To facilitate the gasification of low - grade fine waste coal that is discarded as a by - product of coal processing, State - owned mineral research council Mintek is developing the concept of direct current (dc) arc plasma gasification, intending to produce a synthesis gas (syngas) that could be used... →
Methanol production is also experiencing a global resurgence, particularly in China where the finished product — typically extracted from solid waste / biomass, but also from natural gas and coal feedstocks — is widely used in chemical production and industrial processes, as well as in blended vehicle fuel.
«There are also other important measures to reduce methane emissions from coal mining, municipal waste treatment and gas distribution, for example, as well as black carbon emission reductions through elimination of high - emitting vehicles, use of cleaner biomass cooking and heating stoves, replacement of kerosene wick lamps with LED lamps and other measures,» adds Zbigniew Klimont of the International Institute for Applied Systems Analysis, Austria, who also took part in the study.
Using waste heat from a coal plant to power the heat pump can mean 80 per cent of the energy put into the slush can be retrieved.
To reduce use on Portland cement, the material responsible for 7 percent of global CO2 emissions, Bullitt uses fly ash (a waste product of coal burning) to create cement.
They also must control mercury air emissions from coal - fired power plants, waste incineration and related industrial processes, and reduce or eliminate mercury use in small - scale gold mining and chemical manufacturing.
The setup is part of an experiment aimed at testing an unusual water pollution control scheme that uses gypsum, a waste product from coal - fired power plants, to reduce nutrient runoff from farms.
First identified by William Jevons in 1865 — when he noticed more efficient engines increased rather than reduced coal use, as engines were put into more widespread use — the rebound effect for higher yields could see food prices drop, encouraging greater consumption, more food waste and even more conversion of habitats to farmland.
For some communities, using more coal waste on farms may reduce health risks associated with coal waste ponds.
The fuel - flexibility enabled by this new technology will reduce dependency on imported coal and create cost savings, since cheaper options, including waste coal, can be used for fuel, VTT says.
The 70C temperature requirement could be met using the waste heat from power plants, coal or nuclear.
If the US military increases its use of alternative jet and naval fuels that can be produced from coal or various renewable resources, including seed oils, waste oils and algae, there will be no direct benefit to the nation's armed forces, according to a new RAND Corporation study.
Around 3 billion people cook and heat their homes using open fires and simple stoves burning biomass (wood, animal dung, and crop waste) and coal.
Amy Schumer put her freshly - forged Hollywood connections to good use last night in a biting sketch that points out just how much of the industry's female talent is wasted on barely - there roles like concerned wife of sniper or concerned wife of trapped coal miner.
We will seek to avoid the following: • Bonds that finance projects with substantial sustainability concerns such as first - generation biofuels, waste - to - energy plants using toxic substances, or projects that prolong fossil fuel dependence such as refurbishment of coal power plants.
Then let's take the pile of money already wasted on coal - liquefication and coal - gasification while ignoring the energy and environmental costs and use it for making direct solar energy the fuel for transportation, also all over the planet.
In addition, using coal in large centralized plants dramatically reduces the burning of fuel wood and waste that causes enormous indoor air pollution in developing nations.
Another inceasingly used method is simply to co-fire dry biomass with fossil coal but there is now a Southern Company project to refit two coal reactors into forestry waste reactors.
After the 2008 spill, county officials had pushed TVA to stop using impoundments to store its coal ash waste, and the company is reportedly in the early stages of transitioning to dry ash storage and closing its wet impoundments.
Using nuclear heat to gasify waste and sequestering the CO2 fraction is going to be more sustainable than anything running on coal.
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.
From mining through final disposal of waste from coal - fired power plants, the use of coal produces a wide range of impacts on the natural environment and human health.
As these alternative ways are competing against a set of products — in essence, two: petrochemical fuels and coal — that are subsidized by being allowed to use up the scarce resource of the carbon cycle's ability to cope with waste CO2E, the Market is not fair, and does not run according to Capitalist precepts, without such a carbon price.
Those wasted resources could have been used to clean up pollution, such as from coal - fired electric power plants.
«Wood, agricultural waste, dung, and coal are used for cooking or heating in homes, providing another 25 % of BC emissions.
Defines: (1) «renewable electricity» as electricity generated from a renewable energy resource or other qualifying energy resources; (2) «renewable energy resource» as wind, solar, and geothermal energy, renewable biomass, biogas and biofuels derived exclusively from renewable biomass, qualified hydropower, and marine and hydrokinetic renewable energy; and (3) «other qualifying energy resource» as landfill gas, wastewater treatment gas, coal mine methane used to generate electricity at or near the mine mouth, and qualified waste - to - energy.
Tier II sources include: waste coal, large - scale hydropower, municipal solid waste, integrated combined coal gasification technology, utilizing wood pulping, employing distribution generation systems, and demand - side management use.
[1] The Clean Energy Standard Act of 2012 defines «clean» electricity as «electricity generated at a facility placed in service after 1991 using renewable energy, qualified renewable biomass, natural gas, hydropower, nuclear power, or qualified waste - to - energy; and electricity generated at a facility placed in service after enactment that uses qualified combined heat and power (CHP), [which] generates electricity with a carbon - intensity lower than 0.82 metric tons per megawatt - hour (the equivalent of new supercritical coal), or [electricity generated] as a result of qualified efficiency improvements or capacity additions at existing nuclear or hydropower facilities -LSB-; or] electricity generated at a facility that captures and stores its carbon dioxide emissions.»
Petroleum - fired generators either burn petroleum liquids (such as distillate or residual fuel oils) or petroleum coke, a refinery waste product that can be used as a fuel much like coal.
The group argues that the so - called «beneficial - use industry» would be eliminated if a «hazardous» designation was given for coal ash waste.
Having established then an idea of what part of the waste stream is paper fiber being land filled we can then explore the advantages and disadvantages of using paper fiber as an energy source (fuel) by comparing it to coal, the fuel of choice.
A new paper argues that industrial waste from steel and aluminum production and coal burning could be used to sequester atmospheric carbon.
And why is the $ 100B climate fund being used to being used to block coal power stations and waste massive amounts of money on next to useless renewable power projects.
It's more often the beneficiary of implicit or explicit government subsidies to make it more affordable for the coal industry to operate (the land is practically given to them for free, they get tax expenditures hand over fist, their roads are most often built for them by the state, they're exempted from waste - disposal regulations, allowed to dump and run, and use some of the most tyrannical and abject labor standards in the world).
We'll also invest in finding cleaner ways to use coal, our nation's most abundant energy source, and safer ways to use nuclear power and store nuclear waste.
His experience includes coal, oil, gas, hydro, geothermal, nuclear power plants, nuclear waste disposal, and a wide range of energy and end use management projects.
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).
We could try feeding these with as much coal seam bed methane as possible, and likewise use ADs to extract methane from sewage treatment and putrescible waste.
Latest examples include solar water splitting using ferrites at 100 kWth power level [3] and subsequent scaling up to 750 kWth at the Plataforma Solar de Almería (PSA); thermal dissociation of ZnO as part of the two - step ZnO / Zn cycle in a 140 kWth solar reactor at the MegaWatt Solar Furnace in Odeillo, France [4]; and steam gasification of low - grade coal and carbonaceous waste in a 150 kWth solar pilot plant at PSA [5].
[1] When coal is mined and used to generate power, external costs include the impacts of water pollution, toxic coal waste, air pollution, and the long - term damage to ecosystems and human health.
Methane is also the principal constituent of natural gas and, therefore, when captured, this waste product can be put to a productive use as fuel for the generation of electrical energy as an alternative fuel to natural gas, fuel oil, or coal.
The U.S. Energy Information Administration includes the following in U.S. primary energy production: coal production, waste coal supplied, and coal refuse recovery; crude oil and lease condensate production; natural gas plant liquids production; dry natural gas excluding supplemental gaseous fuels production; nuclear electricity net generation (converted to Btu using the nuclear plant heat rates); conventional hydroelectricity net generation (converted to Btu using the fossil - fuels plant heat rates); geothermal electricity net generation (converted to Btu using the fossil - fuels plant heat rates), and geothermal heat pump energy and geothermal direct use energy; solar thermal and photovoltaic electricity net generation (converted to Btu using the fossil - fuels plant heat rates), and solar thermal direct use energy; wind electricity net generation (converted to Btu using the fossil - fuels plant heat rates); wood and wood - derived fuels consumption; biomass waste consumption; and biofuels feedstock.
Better to put in new combustion turbines and use their waste heat to drive the old coal boilers.
In addition to being used to simply produce cyclic carbonates, North believes it could also be retrofitted on coal - fired plants: «If our catalyst could be employed at the source of high - concentration CO2 production, for example in the exhaust stream of a fossil - fuel power station, we could take out the carbon dioxide, turn it into a commercially - valuable product and at the same time eliminate the need to store waste CO2.»
Amory Levins has estimated that by the time coal is mined, transported, burned, pumped over the wire, and used to light an incandescent light bulb, only 3 % of the initial energy is available to the light bulb; 97 % is wasted.
The supposition that since wind can not be used for total replacement of coal, it is a waste of money is erroneous.
If the US military increases its use of alternative jet and naval fuels that can be produced from coal or various renewable resources, including seed oils, waste oils and algae, there will be no direct benefit to the nation's armed forces, according to a new RAND Corporation study.
Surface mining has also become a dominant driver of land - use change and water pollution in certain regions of the world, where mountaintop removal, coal and tar sands exploitation, and other open pit mining methods strip land surfaces of forests and topsoils, produce vast quantities of toxic sludge and solid waste, and often fill valleys, rivers, and streams with the resulting waste and debris [81].
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