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EMISSION FACTOR DOCUMENTATION FOR AP-42

1970-8-25  EMISSION FACTOR DOCUMENTATION FOR AP-42 SECTION 11.16 (formerly 8.14) Gypsum Manufacturing 1. INTRODUCTION The document Compilation of Air Pollutant Emission Factors (AP-42) has been published by

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11.16 Gypsum Manufacturing - US EPA

2015-9-10  gypsum simultaneously. q References 4-5,16. Emission factor units = kg/m2. Based on 13-mm board thickness and 1.2 m board width. For other thicknesses, multiply the appropriate emission factor by 0.079 times board thickness in mm. r References 4-5,16. Emission factor units = kg/106 m2. 7/93 (Reformatted 1/95) Mineral Products Industry 11.16-5

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Physico‐Mechanical Properties and the TVOC Emission

Physico‐Mechanical Properties and the TVOC Emission Factor of Gypsum Particleboards Manufactured with Pinus Massoniana and Eucalyptus Sp. December 2007 Macromolecular Materials and Engineering ...

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Emission Factor Documentation for AP-42 Section 11.16 ...

EMISSION FACTOR DOCUMENTATION FOR AP-42 SECTION 11.16 (formerly 8.14) Gypsum Manufacturing 1. INTRODUCTION The document Compilation of Air Pollutant Emission Factors (AP-42) has been published by the U.S. Environmental Protection Agency (EPA) since 1972. Supplements to AP-42 have been routinely published to add new emission source categories ...

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Carbon footprint analysis of calcined gypsum production

2018-3-10  Considering the ambitious carbon dioxide emission targets of the European Union and the contribution of cement industry to the total CO 2 emissions, the application of calcined gypsum as an alternative binder in some applications in the building industry can be perceived as a promising option (Lee et al., 2016, Vasconcelos et al., 2015 ...

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Carbon footprint analysis of calcined gypsum production

The inventory data based on primary data obtained from the producers of natural gypsum and flue gas desulfurization gypsum in the Czech Republic are completed by the emission factors obtained from ...

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Mercury fractions in gypsum and estimation of mercury ...

2018-8-15  The emission modification factors model takes into account the effects of boiler type, combustion manner, clean factor, environmental facility and other factors. It should be more in line with the actual situation in the power plants than FC. However, only one correction factor added to determine the actual emission is not confidential enough.

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National Pollutant Inventory (NPI) Emission Estimation ...

The TVOC emission factor was increased to that of formaldehyde plus the previous TVOC (5.60E-03 kg/tonne dry gypsum) factor because formaldehyde is a TVOC. The new TVOC emission factor is 1.27E-02 kg/tonne dry gypsum. General Replace * with x as the multiplication sign in equations. Version 1.1 – 5 February 2002 Page Outline of alteration

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吴烨-清华大学环境学院

2021-11-8  On-road emission factor distributions of individual diesel vehicles in and around Beijing, China. Atmospheric Environment, 2011, 45, 503-513. 35) 杨柳, 吴烨, 郑轩, 陈素华, 宋少洁, 庄子威, 郝吉明.

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Physico-mechanical properties and the TVOC emission

The TVOC emission factor decreased with increasing press temperature, especially for Eucalyptus sp. but remained under 'excellent' grade as defined by the KACA. From these results, GPB with higher content of wood particles should be considered for the replacement of wood-based panels such as particleboard and medium density fiberboard (MDF),

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Using WARM Emission Factors for Materials and

2021-6-25  The drywall emission factor models the displacement of virgin gypsum by recycled drywall, for both agricultural and new drywall purposes. Assuming that the pathway recommended here represents displacement of virgin gypsum or recycled paper, the drywall factors are a Very Good proxy. Electronic Media (CDs) Mixed Plastics All available Acceptable

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Health risk assessment of emissions from a Gypsum plant ...

The risk of cancer due to all sources activities was about 598 per 1 million people. The contribution of Gypsum plant in cancer disease is about 36%. The findings indicate that there is a need to have a detailed assessment on the short- and long-term health effects of

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Carbon footprint analysis of calcined gypsum production

The inventory data based on primary data obtained from the producers of natural gypsum and flue gas desulfurization gypsum in the Czech Republic are completed by the emission factors obtained from ...

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Experimental Shock Transformation of Gypsum to

2011-1-1  They observed greybody emission spectra corresponding to temperatures in the range of 3,000 to 4,000 K that are a factor of 2 to 10 times greater than calculated pressure-density energy equation of state temperatures (Hugoniot) and are high enough to melt gypsum.

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Emissions of NO , PM, SO2, and VOCs from Coal-fired ...

2020-5-15  world’s production (WSA, 2013). The emission amounts of PM and SO2 from iron-steel enterprises contributed 26.2% and 13.3% to the correspondingly Chinese industrial PM and SO2 emissions (Yan et al., 2015). Gypsum used in building industry was obtained through calcining of dihydrate natural gypsum or chemical gypsum at a certain

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AP-42, CH 8.9: Phosphoric Acid - US EPA

2020-9-29  emission from gypsum ponds". Table 8.9-2 (Metric And English Units). UNCONTROLLED EMISSION FACTORS FOR WET PHOSPHORIC ACID PRODUCTIONa EMISSION FACTOR RATING: C (except as noted) Source Nominal Percent Control Efficiency Fluoride kg/Mg P2O5 Produced lb/ton P2O5 Produced Reactorb (SCC 3-01-016-01) 99 0.19 0.38 Evaporatorc (SCC 3-01-016-99) 99 0 ...

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Engineering Summary New NGC, Inc.

2007-7-24  2. PM10 emissions limits for the Rock Dryer are based on use of USEPA AP-42 (July 1993), Section 11.16, Gypsum Manufacturing emission factor of 0.04 lb PM/ton and max production rate of 42.0 ton/hr. NOx (gas and oil), CO (gas and oil), and SO2 (gas) emissions limits for

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GYPSUM BOARD – Carbon Smart Materials Palette

Gypsum board (sometimes referred to as plasterboard or drywall) is a commonly used building finish material for walls, ceilings, and partitions, in part due to its inherent fire resistance. About 2 billion m2 (25 billion ft2) of gypsum board is manufactured

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吴烨-清华大学环境学院

2021-11-8  On-road emission factor distributions of individual diesel vehicles in and around Beijing, China. Atmospheric Environment, 2011, 45, 503-513. 35) 杨柳, 吴烨, 郑轩, 陈素华, 宋少洁, 庄子威, 郝吉明.

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Using WARM Emission Factors for Materials and

2021-6-25  The drywall emission factor models the displacement of virgin gypsum by recycled drywall, for both agricultural and new drywall purposes. Assuming that the pathway recommended here represents displacement of virgin gypsum or recycled paper, the drywall factors are a Very Good proxy. Electronic Media (CDs) Mixed Plastics All available Acceptable

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DRYWALL - USA Gypsum Welcomes You - USA Gypsum

2018-11-29  these emission factors are provided in sections 4.1 through 4.5. EPA used data on drywall manufacturing from the Athena Sustainable Materials Institute (Venta, 1997), which assumes that drywall is manufactured with 85 percent virgin gypsum, 6 percent synthetic

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Physico‐Mechanical Properties and the TVOC Emission

The effect of wood species on the TVOC emission factor and the physico‐mechanical properties of GPBs is investigated. Of the two wood species, the water absorption was higher for the GPBs made using Eucalyptus sp. than for those using Pinus massoniana.The Eucalyptus sp.GPBs pressed at room temperature, 40 and 60 °C all demonstrated higher moisture absorption than commercial GPBs.

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Emissions of NO , PM, SO2, and VOCs from Coal-fired ...

2020-5-15  world’s production (WSA, 2013). The emission amounts of PM and SO2 from iron-steel enterprises contributed 26.2% and 13.3% to the correspondingly Chinese industrial PM and SO2 emissions (Yan et al., 2015). Gypsum used in building industry was obtained through calcining of dihydrate natural gypsum or chemical gypsum at a certain

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AP-42, CH 8.9: Phosphoric Acid - US EPA

2020-9-29  emission from gypsum ponds". Table 8.9-2 (Metric And English Units). UNCONTROLLED EMISSION FACTORS FOR WET PHOSPHORIC ACID PRODUCTIONa EMISSION FACTOR RATING: C (except as noted) Source Nominal Percent Control Efficiency Fluoride kg/Mg P2O5 Produced lb/ton P2O5 Produced Reactorb (SCC 3-01-016-01) 99 0.19 0.38 Evaporatorc (SCC 3-01-016-99) 99 0 ...

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Engineering Summary New NGC, Inc.

2007-7-24  2. PM10 emissions limits for the Rock Dryer are based on use of USEPA AP-42 (July 1993), Section 11.16, Gypsum Manufacturing emission factor of 0.04 lb PM/ton and max production rate of 42.0 ton/hr. NOx (gas and oil), CO (gas and oil), and SO2 (gas) emissions limits for

Read More
GYPSUM BOARD – Carbon Smart Materials Palette

Gypsum board (sometimes referred to as plasterboard or drywall) is a commonly used building finish material for walls, ceilings, and partitions, in part due to its inherent fire resistance. About 2 billion m2 (25 billion ft2) of gypsum board is manufactured

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Carbon Emissions and how to calculate them

2021-6-10  emission of methane and nitrous oxide, respectively. Calculated by # of animals x feed intake x factor for methane. NO 2 for pasture grazing is added in agricultural soils. • Agricultural soils Direct and indirect emissions of nitrous oxide from soils arise from microbial and chemical transformations that produce and consume nitrous oxide in ...

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World Food LCA Database - SimaPro

2020-11-5  EF Emission factor EU-JRC European Commission - Joint Research Centre FAO Food and Agriculture Organization of the United Nations FEFAC European Feed Manufacturers Federation FPCM Fat and protein corrected milk ICID International Commission on Irrigation and Drainage IDF International Dairy Federation ...

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Commission Implementing Regulation (EU) 2018/2066 of

2021-11-16  The emission factor shall also take into account emissions related to non-anode effects. The operator shall determine each emission factor with a maximum uncertainty of ± 15 %. The operator shall determine the emission factors at least every three years or earlier where necessary due to relevant changes at the installation.

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