单词 | fly ash |
例句 | To mitigate the use of concrete, which is carbon-intensive, the team developed a formula that contained a higher percentage of fly ash, making it more sustainable. L.A.'s first legal 3-D-printed house is here. It was built by students in just 15 months 2023-09-19T04:00:00Z A worldwide spike in fly ash from burning coal also occurs in 1950. Opinion: The atomic bomb laid down the marker for humanity's era of catastrophic change 2023-09-03T04:00:00Z Germanium ores are rare and most germanium is produced as a by-product of zinc production and from coal fly ash. Factbox: Where are strategic materials germanium and gallium produced? 2023-07-04T04:00:00Z This means waste is burned at very high temperatures creating two by-products: Bottom ash - materials that do not burn - and fly ash - residue that is collected through the air clean up technology. Coldplay: Are the bands fans as eco-conscious as them? 2023-06-07T04:00:00Z In 2018, a Knoxville jury took only a few hours to decide that Jacobs had breached its duty of safety, exposing workers to airborne “fly ash” with known carcinogens. Contractor says it has settled lawsuit with sick and dying coal ash workers 2023-05-23T04:00:00Z The fly ash, a byproduct of coal combustion, was mixed with soil to create mini-islands in the lake that allow water to permeate. As climate warms, a China planner advocates “sponge cities” 2022-11-14T05:00:00Z A Jacobs subcontractor testified at trial that workers were not allowed to wear masks to protect them from the fly ash “because it looked bad.” Coal ash cleanup contractor not immune from workers’ suit 2022-05-24T04:00:00Z Tour’s team tested its process on fly ash, a powdery gray byproduct of burning coal that contains concentrated levels of the REEs originally present in the coal. An electric jolt salvages valuable metals from waste 2022-02-08T05:00:00Z Industrial byproducts such as iron slag and coal fly ash are now frequently used to reduce the amount of cement needed. Perspective | Bendable concrete, other CO2-infused cement mixes could dramatically cut global emissions 2021-02-26T05:00:00Z Along with the rare earths that can be taken out of fly ash and from the clays above and below coal seams, coal remains valuable. Recently retired Wyoming senator settling back in at home 2021-01-09T05:00:00Z They are keeping their options open, assessing candidates from microplastics and heavy metals to fly ash. The Anthropocene epoch: have we entered a new phase of planetary history? 2019-05-30T04:00:00Z Experts say there just is not enough research on the health effects of prolonged exposure to fly ash. Coal ash cleanup contractor not immune from workers’ suit 2022-05-24T04:00:00Z In addition to fly ash, Tour’s team has extracted REEs from so-called red mud—a byproduct of making aluminum—and from electronics. An electric jolt salvages valuable metals from waste 2022-02-08T05:00:00Z Last week we reported about workers at two Tennessee plants who are exposed to fly ash dust and flue gas without masks or respirators. Tennessee editorial roundup 2019-04-17T04:00:00Z When fly ash is mixed into fresh concrete, the fresh concrete “activates” the ash, which forms a binder that adds strength. How Toxic Waste from Coal-Burning Power Plants Can Help Limit Climate Change 2019-03-28T04:00:00Z He grew up in New Eagle, close enough for fly ash from Mitchell to dust the porch of his childhood home. As coal-fired power plants switch off, new businesses sought 2018-04-21T04:00:00Z Others are filled with lighter fly ash that is scrubbed — with the aid of water — from gases flowing out of the stacks. As Washington state looks for cleaner power, a Montana coal town faces an uncertain future 2018-03-01T05:00:00Z Every year, humankind produces 40 million tons of electronic waste, 150 million tons of red mud, and 750 million tons of coal fly ash, much of it piled in giant mounds. An electric jolt salvages valuable metals from waste 2022-02-08T05:00:00Z You need to sit down in the lunchroom with truck drivers who are around fly ash all day. Tennessee editorial roundup 2019-04-17T04:00:00Z And since cement is the most expensive ingredient in concrete, replacing some of it with fly ash, which costs only a fourth as much, saves money. How Toxic Waste from Coal-Burning Power Plants Can Help Limit Climate Change 2019-03-28T04:00:00Z In response, government officials said the industries were asked to dredge the creek ahead of the monsoon rains, and monitor the dumping of fly ash and earth. Protect common land: Indian classical singer makes unusual appeal 2017-01-16T05:00:00Z They said it appears to be fly ash and is evidence of a large coal ash spill. Conservationists, regulators dispute size of coal ash spill 2016-10-19T04:00:00Z Pipelines carry fly ash slurry from a local thermal power power plant in Korba to a fly ash pond. The human and animal costs of India's unregulated coal industry - BBC News 2016-09-29T04:00:00Z Beds of fly ash from power stations may get consolidated into novel rocks. Dawn of a new epoch? 2016-08-31T04:00:00Z These facts, coupled with significant improvements in concrete durability are why many engineers design concrete mixtures to replace at least 25 percent of the mass of cement in concrete with fly ash. How Toxic Waste from Coal-Burning Power Plants Can Help Limit Climate Change 2019-03-28T04:00:00Z When its great boilers were purged, a drift of fly ash and soot would soon settle over the neighborhood. After 75 Years, the Cheese Stands Alone 2016-07-15T04:00:00Z The work will remove equipment and address environmental concerns, such as coal piles or fly ash areas. Employees lament loss of workplace where some spent years 2016-04-14T04:00:00Z Most of those particles are captured by pollution control devices, but that fly ash is buried in the landfill. Companies seeking sustainability send waste to La Crosse 2016-02-22T05:00:00Z CCRs are byproducts from the burning of coal or its emissions, such as fly ash. TVA seeking public input on coal ash study 2015-09-02T04:00:00Z Concrete is made of cement, water, tiny air bubbles and coarse materials such as sand, gravel, fly ash or blast furnace slag, which is a byproduct of steel production. New sidewalks are crumbling and flaking 2015-08-30T04:00:00Z Vanadium is costly, but Imergy’s is sourced from recovered fly ash or as a byproduct in the slag that results during the process of making steel. Imergy Continues To Forge Ahead In The Energy Storage Race 2015-05-28T04:00:00Z That includes new data showing that fly ash from coal burning spiked around 1950, accelerating a steep rise in atmospheric CO2 levels. Did the Anthropocene Begin in 1950 or 50,000 Years Ago? 2015-04-02T04:00:00Z Indian builders are making significant savings by using bricks made from fly ash, a waste product from coal-fired power plants. Capitalism begins at home 2015-01-08T05:00:00Z Coal ash is the residue from coal burning and includes powdery fly ash as well as coarser bottom ash and boiler slag. Coal-ash dumps to face restrictions six years after billion-gallon spill in Tennessee 2014-12-19T05:00:00Z The waste consists of powdery “fly ash” collected from smokestack filters and scrubbers as well as coarser bottom ash. Dam breaks, tainted wells prompt new look at coal-ash dumps that escaped EPA review 2014-12-18T05:00:00Z In another animal test mice given Zocor prior to oil fly ash or particulate exposure did not experience lung injuries and inflammation like their non-treated counterparts did, according to a 2011 study in Argentina. Statin Drugs May Protect People from Air Pollution 2014-11-24T05:00:00Z The power plant recycles 45 percent of the ash for use as a concrete additive while the rest goes into the fly ash basin, he said. Monroe’s DTE power plant marks milestone 2014-11-07T05:00:00Z This plant uses a baghouse, or a giant fabric filter, to capture fly ash from the stack. A dilemma with aging coal plants: Retire them or restore them? We know a number of paths to treating this fly ash in order to get the various metals locked up within it out. Why Doesn't The Sierra Club Try To Solve The Coal Fly Ash Problem Rather Than Just Call For Regulation? 2014-05-19T04:00:00Z Some of the waste, known as “fly ash,” spews out of coal-plant chimneys into the surrounding air. Money, Politics, and Pollution in North Carolina 2014-05-07T04:00:00Z Eko Export processes so-called fly ash microspheres found in coal ashes for use in special cements for oil and gas drilling, spaceship coatings and even surfboards. Polish 'ash-to-cash' company looks for U.S. partner 2014-04-10T15:11:57Z US plants produce roughly 70 million tonnes of fly ash every year, most of which is stored or disposed of in landfills. Green cement: Concrete solutions 2013-02-20T18:21:08.470Z It's possible because coal fly ash contains fine microscopic structures called cenospheres, basically strong but hollow bubbles that are part of the waste byproduct of burning coal. Will the Car of the Future Be Made from Coal Ash? 2011-03-28T16:45:05.490Z This isn’t really an attack on the Sierra Club, nor entirely about their campaign against fly ash. Why Doesn't The Sierra Club Try To Solve The Coal Fly Ash Problem Rather Than Just Call For Regulation? 2014-05-19T04:00:00Z Today, the fly ash produced by coal-fired power plants brims with cenospheres, but they are largely trapped by pollution-control equipment before they escape the smokestack. Toxic Ash Clouds Might Be Culprit in Biggest Mass Extinction 2011-01-23T18:00:00Z And a big part of that is from burning coal, both the CO2 it releases that then causes climate change as well as all that fly ash. Is Coal Fly Ash Responsible for Mass Extinction? 2011-01-23T18:15:00.263Z Think of the economics of this for a moment: The Sierra Club most certainly has financial resources, they would also very definitely prefer that fly ash weren’t simply dumped out in the open. Why Doesn't The Sierra Club Try To Solve The Coal Fly Ash Problem Rather Than Just Call For Regulation? 2014-05-19T04:00:00Z Dr. Nikhil Gupta, an instructor at the Polytechnic Institute of New York University in downtown Brooklyn, says the secret lies in the cumbersome and ubiquitous waste product from burning coal -- fly ash. Will the Car of the Future Be Made from Coal Ash? 2011-03-28T16:45:05.490Z Grist tells us that the Sierra Club is taking the fight to those who would pollute our green and pleasant land with coal fly ash. Why Doesn't The Sierra Club Try To Solve The Coal Fly Ash Problem Rather Than Just Call For Regulation? 2014-05-19T04:00:00Z Not a total replacement but you can replace some 40% or so of the cement with the fly ash. Why Doesn't The Sierra Club Try To Solve The Coal Fly Ash Problem Rather Than Just Call For Regulation? 2014-05-19T04:00:00Z Burning coal is nasty business, concentrating all kinds of toxic metals and resulting in potentially deadly fly ash. Is Coal Fly Ash Responsible for Mass Extinction? 2011-01-23T18:15:00.263Z So why not look at fly ash as a resource rather than a pollutant? Why Doesn't The Sierra Club Try To Solve The Coal Fly Ash Problem Rather Than Just Call For Regulation? 2014-05-19T04:00:00Z Rather, that they put up a prize, some few millions perhaps, for anyone able to demonstrate a workable technology to process fly ash? Why Doesn't The Sierra Club Try To Solve The Coal Fly Ash Problem Rather Than Just Call For Regulation? 2014-05-19T04:00:00Z |
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