methodology for estimating iron mining emissions

    methodology for estimating iron mining emissions

    Emission estimates are consistent if the same methodologies are used for .... processes are linked to iron ore and alumina mining operations (U.S. EPA, 1982). Contact US Quantifying Greenhouse Gas Emissions from Key ...

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    ABANDONED COAL MINE EMISSIONS ESTIMATION

    methodology is to establish a simple emissions model based on physical principles, available data, and measurements. As more data becomes available, Raven Ridge will develop a more accurate and narrower range of emissions factors for abandoned underground coal mines. 2.0 DETERMINING ABANDONED MINE EMISSIONS IN THE U.S. 2.1 Approach

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    Indirect estimation of emission factors for phosphate ...

    Jun 15, 2016· To date, phosphate surface mining suffers from lack of reliable emission factors. Due to complete absence of data to derive emissions factors, we developed a methodology for estimating them indirectly by studying a range of possible emission factors for surface phosphate mining operations and comparing AERMOD calculated concentrations to concentrations measured around the mine.

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    Annexes to the Inventory of U.S. GHG Emissions and Sinks

    A 2 Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990 2015 ANNEX 1 Key Category Analysis The United States has identified national key categories based on the estimates

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    NPI Emission Estimation Technique Manual for Mining

    approaches for estimating emissions from facilities engaged in the mining of coal and metalliferous minerals. The mining industries covered in this manual are: coal, iron ore, bauxite, copper ore, gold ore, nickel ore, silver lead zinc ore, uranium ore and other metallic ores. EET MANUAL:

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    Analysis of life cycle GHG emissions for iron ore mining ...

    In this study, a life cycle model for mining and processing of Chinese iron ores is developed and used to estimate GHG emissions. Results show that the mean life cycle GHG emissions for Chinese iron ore production are 270 kg CO2e/tonne, with a 90% confidence

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    Metals Emissions from Taconite Ore Processing Facilities ...

    Taconite, a low grade iron ore of approximately 30% iron content or lower, is mined (by open pit methods) and processed in the Mesabi Range in northern Minnesota and the Marquette Range in the northern part of the Upper Peninsula of Michigan.

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    Proposed Methodology for Estimating Emission Inventories ...

    The U.S. Environmental Protection Agency (EPA) developed this methodology for estimating its national abandoned mine emissions based on country specific and mine specific data. These abandoned mine methane emissions represent about 5 to 10% of the U.S inventory of coal mine methane emissions (EPA, 2003).

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    METHODOLOGY OF ESTIMATION OF METHANE EMISSIONS

    The applied methodology for estimating methane emis sion from the GZW coal mining system was used for the four basic sources of its emission. Methane emission during the mining and post mining ...

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    Development of a Methodology for Estimating Methane ...

    methane emissions were estimated at up to 360 tonnes methane per year. By using estimates of the surface area from which the emission might derive, flux estimates were calculated of up to 69 tonnes methane per square kilometre per year (t km 2y 1), with a mean of 10.5 t km 2y 1 and a standard deviation of 22 t km 2y 1. Multiplying the average flux value by

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