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Cement Manufacturing Enforcement Initiative US EPA

The cement manufacturing industry was an EPA New Source Review/Prevention of Significant Deterioration (NSR/PSD) national enforcement initiative in fiscal years 2008-2010 and was continued as a Reducing Air Pollution from the Largest Sources national enforcement initiative for fiscal years 2011-2013. The cement sector is the third largest industrial source of pollution, emitting more than 500,000

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Cement Manufacturing - EPA's Web Archive US EPA

2016-2-20  The Cement Manufacturing sector produces Portland cement, a binding agent that when mixed with water, sand, and gravel or crushed stone forms the rock-like mass known as concrete. Concrete, in turn, serves highway, commercial, and residential construction projects. Limestone is the key ingredient to manufacture cement.

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11.6 Portland Cement Manufacturing - US EPA

1971-8-17  Portland cement manufacturing plants are part of hydraulic cement manufacturing, which also includes natural, masonry, and pozzolanic cement. The six-digit Source Classification Code (SCC) for portland cement plants with wet process kilns is 3-05-006, and the six-digit SCC for plants with dry process kilns is 3-05-007. Portland cement accounts for 95 percent of the hydraulic cement production

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Emission Factor Documentation for AP-42 Portland

2020-10-23  Portland Cement Manufacturing Final Report For U. S. Environmental Protection Agency Office of Air Quality Planning and Standards Emission Inventory Branch EPA Contract 68-D2-0159 Work Assignment No. I-01 MRI Project No. 4601-01 May 18, 1994

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Cement US EPA ARCHIVE DOCUMENT

2016-2-20  cement manufacturing process and in product formulation.20 In addition, four cement companies have joined EPA’s Climate Leaders program, which helps partners to develop long-term comprehensive climate change strategies, set corporate-level GHG reduction goals, and inventory emissions to measure progress. Partner companies include California

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US EPA: 2008 Sector Performance Report US EPA

2016-2-20  chemicals reported to EPA’s Toxics Release Inventory (TRI). CAPs and GHGs also are generated as byproducts from onsite combustion of fuels in cement kilns. Air emissions from the kiln system are the primary environmental concern in cement manufacturing. More than 99% of the exit gases are composed of nitrogen, water vapor, and CO

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Cement Sector Report - EPA's Web Archive US EPA

2016-2-20  In response to the court’s decision, EPA is currently examining the use of various materials by industries, including the cement industry, and is in the process of conducting a rulemaking to determine which materials are solid wastes under RCRA, subtitle D. EPA also is establishing new standards under both 112 and 129 for the various units subject to each section, as the community of

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11.12 Concrete Batching - US EPA

2018-9-24  Approximately 75 percent of the U.S. concrete manufactured is produced at plants that store, convey, measure and discharge these constituents into trucks for transport to a job site. At most of these plants, sand, aggregate, cement and water are all gravity fed from the weight hopper into the mixer trucks. The concrete is mixed on the way to the site where the concrete is to be poured. At some of these plants, the concrete may also be manufactured in a central mix drum and transferred to a transport truck. Most of the remaining concrete manufactured are products cast in a factory setting. Precast products range from concrete bricks and paving stones to bridge girders, structural components, and panels for cladding. Concrete masonry, another type of manufactured concrete, may be best known for its conventional 8 x 8 x 16-inch block. In a few cases concrete is dry batched or prepared at a building construction site. Figure 11.12-1 is a generalized process diagram for concrete

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EPA Smart Sectors: Cement and Concrete

2021-3-31  This chart shows total air emissions, as reported annually to EPA’s Toxics Release Inventory (TRI) between 1996 and 2018, by establishments classified into NAICS code 3273 (cement and concrete product manufacturing). Total air emissions for this sector decreased from 9.3 million pounds in 1996 to 5.8 million pounds in 2018.

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PCA Applauds 2019 EPA ENERGY STAR® Certified

2020-3-16  U.S. Cement Manufacturing Capacity, February 2017 "The Wall" Impact on Cement Consumption, February 2017 Stronger Sentiment, Higher Interest Rates, January 2017

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ENERGY STAR Focus on Energy Efficiency in Cement

2021-6-15  The “cement focus” is a partnership between EPA’s ENERGY STAR program and U.S. cement producers to improve energy efficiency within their operations. Tools are available here to help improve manufacturing energy efficiency, save money, and reduce greenhouse gas emissions. Cement producers can get started on a path of saving energy by ...

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Portland Cement Manufacturing Industry: National ... -

2016-9-9  Portland cement manufacturing is an energy intensive process in which cement is made by grinding and heating a mixture of raw materials such as limestone, clay, sand, and iron ore in a rotary kiln. The kiln is a large furnace that is fueled by coal, oil, gas, coke and/or various waste materials.

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ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 63

2019-12-13  Portland cement manufacturing industry to EPA to consider, among other things, setting standards based on the performance of the maximum achievable control technology (MACT) floor standards for hydrogen chloride (HCl), mercury, and total hydrocarbons (THC), and metal hazardous air pollutants (HAP). EPA published a proposed response to the court’s

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EPA: Indiana cement facility allegedly violated the

2021-6-5  A Greencastle, Ind. cement plant is facing more than $700,000 in fines and is being made to upgrade its facility after nearly a decade of Clean Air Act violations during which the plant emitted ...

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EPA Levies $2.5M Penalty Against U.S. Cement Maker ...

2013-6-20  The EPA levied a $2.5M penalty against a big cement maker and required the company to invest $30M in pollution controls at plants in nine states alleged to have violated the federal Clean Air Act. Ash Grove Cement Co.'s penalty was announced Wednesday by the EPA and U.S. Department of Justice, part of a deal in which the Overland Park, Kan.-based company also will spend $750K to

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EPA approves Mungret alternative fuel licence -

2021-5-19  EPA approves Mungret alternative fuel licence. 19 May 2021. The Environmental Protection Agency (EPA) has finally given the go-ahead to Irish Cement’s EUR10m plan in Mungret in Co Limerick, Ireland, to change its fuel burning practices. Originally, the EPA had granted a licence for the project in September 2019, but local protests and court ...

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A first look at US cement manufacturers' road map to ...

2021-3-11  Cement manufacturing is an energy-intensive process that depends on carefully balanced chemistry and physics. Cement plants run continuously, typically 24 hours a

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Top 10 Largest Cement Manufacturing Companies in

2021-1-1  Which are the biggest cement companies in USA? Check below 10 Leading Cement Manufacturing Companies in United States American cement companies produce more than four percent of the world’s cement, making USA the third largest cement producer after China and India. Most of the largest cement companies in USA are multinationals having origins in Ireland, Switzerland and Mexico.

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EPA honors nine cement companies and PCA in 2021

2021-5-11  Energy Star certifies plants achieving energy performance in the top 25 percent of their respective industries, the manufacturing category spanning cement and 19 other sectors. Certification candidates use EPA-defined performance indicators to assess how their energy use compares to facilities with similar operating characteristics.

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Cement Manufacturing Effluent Guidelines - Proposed

1973-9-7  cement manufacturing category. (2) New sources: Section 306 of the Act requires the achievement by new sources of a Federal standard of perfohnance providing for the control of the discharge of pollutants which reflects the greatest degree of effluent reduction which the Administra-tor determines to be achievable through

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Environmental Assessment of Different Cement

2016-12-29  Due to its high environmental impact and energy intensive production, the cement industry needs to adopt more energy efficient technologies to reduce its demand for fossil fuels and impact on the environment. Bearing in mind that cement is the most widely used material for housing and modern infrastructure, the aim of this paper is to analyse the Emergy and Ecological Footprint of different ...

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Cement Manufacturer Cemex to Reduce Harmful Air

2016-7-27  The Department of Justice and the U.S. Environmental Protection Agency (EPA) today announced a settlement with Cemex Inc., under which the company will invest approximately $10 million to cut emissions of harmful air pollution at five of its cement manufacturing plants in Alabama, Kentucky, Tennessee and Texas to resolve alleged violations of the Clean Air Act. Under the consent decree

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Cement News tagged : EPA - Page 1 of 3

2018-4-3  In a settlement to resolve the alleged violations of the Clean Air Act, Lehigh Cement Co and Lehigh White Cement Co have agreed to invest approximately US$12m in pollution control technology at their 11 Portland cement manufacturing plants, announced the Department of Justice and the Environmental Protection Agency (EPA).

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EPA - Cement industry news from Global Cement

2013-7-17  US: The Environmental Protection Agency (EPA) has fined Ash Grove Cement US$2.5m and is forcing the American cement producer to invest US$30m in pollution controls at its plants in nine US states that are alleged to have violated the Clean Air Act. The EPA and the US Department of Justice announced the penalty jointly on 19 June 2013. The EPA said that the action would reduce thousands

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Integrated, Sustainable, Cost Effective Solution for the ...

2021-5-2  U.S. EPA Option “C” for the proposed plan for the clean up of the Lower 8 Miles of the Lower Passaic River. Ecomelt Manufacturing Process Melted sediment Natural gas feed Sediment feed. Ecomelt Replaces 30-40% of Portland Cement in Concrete ... CO2 by cement manufacturing industry

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Cement - Fuels Technologies - IEA

2019-12-4  The direct CO2 intensity of cement production increased 0.5% per year during 2014-18. To get on track with the SDS, a 0.8% annual decline is necessary to 2030. Sharper focus is needed in two key areas: reducing the clinker-to-cement ratio (including through greater uptake of blended cements) and deploying innovative technologies (including CCUS).

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EPA may fine Nevada Cement, USA - CemNet

2010-11-16  Nevada Cement also operates quarries seven miles south of Fernley and along east of the plant. The EPA contends that the owners of the plant undertook a series of substantial changes between 1992 and 1999 but didn’t get the air quality permits that would have been required.

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Estimation of total annual mercury emissions from

2012-12-1  This study examined mercury (Hg) emissions from cement manufacturing facilities in Korea. Hg concentrations in stack gases from a kiln at the largest cement manufacturing facility (CMF) in Korea were measured using three different methods: a wet-chemical method and on-line measurements with two different types of conversion systems (SnCl 2 and thermal) attached in front of each analyzer.

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