radioactivity assessment in cement manufacturing process

Assessment of Natural Radioactivity Levels of Cements and

Dec 12, 2013· The results may be useful in the assessment of the exposures and the radiation doses due to the natural radioactive element contents in cement sampl The mean activity concentrations of 226 Ra, 232 Th, and 40 K were 1382, 2007 and 32736 Bqkg −1 in cement samples and 852, 1647 and 35439 Bqkg −1 in cement composites samples.

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PERFORMANCE EVALUATION OF A GRATE COOLER IN A

PERFORMANCE EVALUATION OF A GRATE COOLER IN A CEMENT MANUFACTURING INDUSTRY IN NIGERIA Amole, MO*** Production Department of Dangote Cement Plc, Ibese, Ogun State, Nigeria , convection and radiation These heat movement modes are denoted in the Figure 22 Heat transfer by radiation , cement process plant This serves as the basis for the.

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radioactivity assessment in cement manufacturing process

radioactivity assessment in cement manufacturing process radioactivity assessment in cement manufacturing process As a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete stone crushing plant.

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Identifying Improvement Potentials in Cement Production

Cement production is an environmentally relevant process responsible for 5% of total anthropogenic carbon dioxide emissions and 7% of industrial fuel use In this study, life cycle assessment is used to evaluate improvement potentials in the cement production process in Europe and the USA.

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Evaluation of Environmental Impact of Cement Production in

analysis, impacts assessment and interpretation [N] The iCA of a mortland cement concrete road takes into a count the raw materials and energy used in making the cement as well as the emissions from the cement manufacturing process ft includes the energy and resources consumed in mixing, transporting and the environmental consequences [2].

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(PDF) Radiation level

Research has shown that this process increases the activity concentration of radionuclides in the production environment [Okedeyi et al; Gbadebo, 2011] However, there are dearths of information on the radioactivity measurement of the effect of Cement manufacturing company in Ewekoro to the human population.

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River Cement Co

A tremendous amount of energy is required in the cement manufacturing process to achieve the extremely high temperatures in the kilns River Cement uses mainly coke and natural gas to heat their kiln system From January 1989 to 1997, River Cement used liquid hazardous wastes fuels to supplement its fuel needs.

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Cement — Design Life-Cycle

"A life-cycle assessment of Portland cement manufacturing: comparing the traditional process with alternative technologi" Journal of Cleaner Production 177 (2009): 668-675 Nisbet, Michael, et al "Environmental life cycle inventory of Portland cement and concrete" World cement 284 (1997): 3 PCA "How Cement Is Made" How Cement Is Made.

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Emissions from the Cement Industry

May 09, 2012· To produce cement, limestone and other clay-like materials are heated in a kiln at 1400°C and then ground to form a lumpy, solid substance called clinker; clinker is then combined with gypsum to form cement Cement manufacturing is highly energy- and emissions-intensive because of the extreme heat required to produce it.

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Portland Cement Dust

Portland Cement Dust Hazard assessment document EH75/7 FOREWORD This Hazard Assessment Document has been published by the UK Health and Safety Executive (HSE) It is aimed at a technical audience and reports , dust at the later stages of the manufacturing process as opposed to.

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Technology Transfer Network Air Toxics Website Fact

cement manufacturing plants HOW DOES THE CEMENT MANUFACTURING PROCESS WORK? 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.

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Emissions from Portland Cement Production Using Life Cycle

Damage assessment analysis of process contribution for human health during cement LCA As figure 6 shows cement production process and after that coal tailings in landfill have the highest DALY damage to human health category The same analysis for resources.

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Environmental impact of some cement manufacturing plants

This work is concerned with the environmental impact of the cement industry in the west of Saudi Arabia represented in two cement plants and one cement depository The concentrations of natural and artificial radionuclides in samples of cement (raw materials and end product) and soil, collected from the cement plant and its surrounding area.

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Assessment of Natural Radioactivity Levels of Cements and

The radionuclide activities of 226Ra, 232Th and 40K and radiological parameters (radium equivalent activity, gamma and alpha indices, the absorbed gamma dose rate and external and internal hazard indices) of cements and cement composites commonly used in the Slovak Republic have been studied in this paper The cement samples of 8 types of cements from Slovak cement plants and five types of.

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on Life Cycle Assessment of Portland Cement Manufacturing

Life Cycle Assessment of Portland Cement Manufacturing Process Presentation by , Cement Manufacturing Process Overview of Life Cycle Assessment 11 Life Cycle of product, process, , UVB radiation

Jun 30, 2015· There are 2 main types associated with the cement manufacturing process Emission of several compounds such as: NOx, SOx, CO2, and other fuel combustion by products A.

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LCA of cement

Cement Manufacturing Process The cement manufacturing process is diagramed in the flowchart in Figure 1 Processes requiring energy inputs are outlined in yellow and processes requiring heat are outlined in red The pollutants emitted during manufacturing are particulates and gases such as CO 2, SO 2 and NO X Coal fly ash slag or pozzolans.

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Ordinary Portland Cement

Cement can be defined as the bonding material having cohesive & adhesive properties which makes it capable to unite the different construction materials and form the compacted assembly Ordinary/Normal Portland cement is one of the most widely used type of Portland Cement The name Portland cement was given by Joseph Aspdin in 1824 due to its similarity in.

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INDUSTRIAL CASE STUDY THE EMENT INDUSTRY

In addition, a basic review of the cement production process was developed, and summary cement industry energy and economic data were collected, and analyzed The remainder of this report is organized as follows: • Section 2 summarizes California cement industry statistics • Section 3 provides an overview of the cement production process.

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Identifying Improvement Potentials in Cement Production

Cement production is an environmentally relevant process responsible for 5% of total anthropogenic carbon dioxide emissions and 7% of industrial fuel use In this study, life cycle assessment is used to evaluate improvement potentials in the cement production process in Europe and the USA With a current fuel substitution rate of 18% in Europe and 11% in the USA, both regions have a.

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Risk Assessment and Disaster Management Plan

Risk Assessment & Disaster Management Plan M/s Shree Cement Ltd 1 RISK ASSESSMENT AND DISASTER MANAGEMENT PLAN 11 Risk Assessment and Damage Control Risk assessment is the determination of quantitative or qualitative value of risk related to a.

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The Cement Sustainability Initiative (CSI)

The work carried out by the Cement Sustainability Initiative (CSI) is officially transferred from the World Business Council for Sustainable Development (WBCSD) to the Global Cement & Concrete Association (GCCA) as of 1 January 2019 For archived information about the CSI, please visit here For access to the Getting the Numbers Right (GNR) 2016 data, please visit here.

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Impact Assessment of Ambient Air Quality by Cement

Impact Assessment of Ambient Air Quality by Cement Industry: A Case Study in Jordan Mahmoud Abu-Allaban1*, , of solar radiation is received during these two months only , generated during the cement manufacturing process consist.

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