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EPA plans to cap cement plant mercury emissions; Industry ...

May 06, 2009 · Cement plants burn coal to cook limestone and other ingredients in big kilns. Coal and limestone both contain mercury that is vaporized and released in the kiln's emissions. In 2007, the Lafarge Midwest Inc. plant in Alpena, Mich. emitted the most mercury of the Great Lakes cement plants, according to EPA records.

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MERCURY ABATEMENT Effective mercury sorbents

1 MERCURY ABATEMENT Effective mercury sorbents Activated carbon sorbent injection has enabled many cement plants to minimise mercury emissions from their operations. To ensure effective mercury control understanding the sorbent properties critical to mercury removal is key. n by John Satterfield, Cabot Norit Activated Carbon, USA

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Tough new mercury rules loom for Cupertino cement plant ...

Cupertino cement plant managers say they may be able to meet the new mercury standards, but the equipment will cost $40 million or more. The cement industry wants varying standards based on local ...

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Mountains of mercury — High Country News

That firmly established the Durkee facility as the nation's dirtiest cement plant in terms of mercury, responsible for 10 percent of the mercury emitted by the 101 Portland cement plants across ...

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Lehigh Cement system will reduce mercury | News ...

Lehigh Southwest Cement Company has announced plans to install an innovative mercury reduction system at its plant in Tehachapi. The plant will begin installation of a state of the Art Activated Carbon Injection system in early 2013 with the goal of completing the project later in the year. Mercury ...

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A mercury loophole the size of a cement plant | Freshwater ...

Clearly, mercury emissions from cement plants can have the same damaging effects as mercury emissions from coal-fired power plants. Michigan regulators have stepped up to the plate by going beyond the federal mercury regulations for coal-fired power plants. They should follow their own lead and take bold action to drastically reduce mercury ...

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Cement plant, DEQ agree on mercury emission limits ...

Ash Grove Cement near Baker City, by far the largest mercury polluter in Oregon and the state's only cement kiln, has reached a voluntary deal with regulators to cut its mercury emissions by 75 ...

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Mercury emission from a cement factory and its influence ...

Mercury emission from a cement factory and its influence on the environment 2297 The dry deposition rate (w) of mercury to soil surface can be calculated from the following equation (Chamberlain, 1953), VdC (1) where Vd is the dry deposition velocity and C is the atmospheric mercury .

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Precalciner Cement Kiln Mercury (Hg) Emissions Control

Cement plants have a wide range of mercury inputs and resulting emissions because of the wide variety of raw materials and fuels used in the process. Further, the current level of mercury emission control at cement plants varies from 0% to as high as 95% using existing particulate control systems.

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A mercury loophole the size of a cement plant | Freshwater ...

Clearly, mercury emissions from cement plants can have the same damaging effects as mercury emissions from coal-fired power plants. Michigan regulators have stepped up to the plate by going beyond the federal mercury regulations for coal-fired power plants. They should follow their own lead and take bold action to drastically reduce mercury ...

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Using Mercury Capture Systems with Fly Ash for Cement ...

mercury emissions from cement manufacturers. Some cement plants are limited on mercury inputs as well. Using Mercury Capture Systems to process a mercury laden fly ash allows that ash to be utilized as a raw material. Depending on the cement plant, removing mercury from a raw material is a more effective emissions control solution than dust ...

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GORE Mercury Control Systems | Reduce SO2 and Remove ...

For plants that do not have any acid gas scrubbing systems and need to reduce SO 2 emissions, the GMCS can be configured as a very attractive alternative to a new wet or dry scrubber. GORE Mercury Control Systems have been tested and installed in numerous industrial non-power applications including incinerators, cement and metals plants.

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Lafarge (company) - Wikipedia

In November 2010 Lafarge, together along with other companies, opposes new EPA regulations that require mercury-emissions reductions at cement plants. Preliminary data published by the EPA for the year 2009 showed 145 pounds of mercury were recorded for the Ravena plant (total on- .

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Mercury Pollution from Cement Kilns Double Previous ...

Jul 23, 2008 · For example, some cement kilns release as much or more mercury as coal fired power plants. Since 1974, cement production has increased 15 percent, and further increases are projected for the future. Rising levels of cement production in the U.S. mean that the cement industry's mercury pollution will grow even worse if left unregulated.

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Global cement emissions standards

As with the other emissions classes in this review, limits for mercury emissions from cement plants are on a downward trend. From 1 January 2016 Germany will reduce its legal limit for mercury emissions from cement plants down to 0.02mg/Nm 3. This will make it the most stringent regulator of mercury emissions in the global cement industry.

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Politics and mercury | Opinion | tehachapinews

A report by the investigative team, California Watch, shows that the Lehigh Southwest Cement plant in Tehachapi produced 872 pounds of mercury in 2010 — the most of any cement plant in California and the second-highest among all cement plants in the United States.

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Cement plant, DEQ agree on mercury emission limits ...

Ash Grove Cement near Baker City, by far the largest mercury polluter in Oregon and the state's only cement kiln, has reached a voluntary deal with regulators to cut its mercury emissions by 75 ...

Get Price
Lafarge (company) - Wikipedia

In November 2010 Lafarge, together along with other companies, opposes new EPA regulations that require mercury-emissions reductions at cement plants. Preliminary data published by the EPA for the year 2009 showed 145 pounds of mercury were recorded for the Ravena plant (total on- .

Get Price
A mercury loophole the size of a cement plant | Freshwater ...

Clearly, mercury emissions from cement plants can have the same damaging effects as mercury emissions from coal-fired power plants. Michigan regulators have stepped up to the plate by going beyond the federal mercury regulations for coal-fired power plants. They should follow their own lead and take bold action to drastically reduce mercury ...

[PDF]Get Price
EPA Fails to Limit Toxic Mercury Pollution from Cement ...

Dec 11, 2006 · The single worst mercury polluter in the entire country is a cement kiln in Tehachapi, California, which reported in 2004 that it emitted over 2,500 pounds of mercury. In addition to the Tehachapi plant, there are more than 120 other cement plants operating in America.

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