measurement of radioactivity in coal mining areas
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measurement of radioactivity in coal mining areas

Measurement Of Radioactivity In Coal Mining Areas

Measurement Of Radioactivity In Coal Mining Areas. 2009-4-5introduction opencast coal mining affects severely ecosystems and results in the production of huge amounts of overburden and low-grade orehese volumes are disposed of either in the wider mining district or in adjacent areas and may cause several environmental problems such as contamination of soil, air and water.

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Measurement of Natural Radioactivity in Coal, Soil and ...

Mar 04, 2013  The activity concentrations of naturally occurring radionuclides Ra-226, Th-232 and K-40, were measured by using a gamma ray spectrometry for coal, soil and water samples collected from the Barapukuria coal mine in Dinajpur district of Bangladesh. The average activity concentrations of Ra-226, Th-232 and K-40 in coal samples were found to be 6.21±3.68, 10.69±7.5 and 185.76±138.86

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(PDF) Measurement of Natural Radioactivity in Coal, Soil ...

Measurement of Natural Radioactivity in Coal, Soil and Water Samples Collected from Barapukuria Coal Mine in Dinajpur District of Bangladesh May 2018 DOI: 10.5923/j.jnpp.20130304.03

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Assessment of environmental radioactivity around coal mine ...

radiation meter (INSPETOR 06250 MODEL) which is optimise to measure alpha, beta and gamma radiation. On the basis of measurement of environmental radioactivity around coalmine at okaba, result obtained in exposure rate (mR/hr) after data analysis shows that the highest radiation level at Okaba coal mine was found to be 840.96mR/yr or

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Measurement of Natural Radionuclides and Assessment

To study the content of radionuclides in coal and to assess its associated radiological impact on the environment for potential radiological risk assessment, a total of 40 coal samples were collected from various mining areas in eight provinces of China. The specific activities of 226Ra, 232Th, 40K,

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Measurement of radioactivity concentration in soil

Jan 01, 2018  The average radioactivity concentrations of 238 U, 232 Th, 226 Ra and 4 K in soil samples from the coal area, rock phosphate storage area, and the control area are listed in Table 1.

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Measurement of Natural Radionuclides and Assessment of ...

To study the content of radionuclides in coal and to assess its associated radiological impact on the environment for potential radiological risk assessment, a total of 40 coal samples were collected from various mining areas in eight provinces of China. The specific activities of 226Ra, 232Th, 40K,

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Assessment of environmental radioactivity around coal mine ...

radiation meter (INSPETOR 06250 MODEL) which is optimise to measure alpha, beta and gamma radiation. On the basis of measurement of environmental radioactivity around coalmine at okaba, result obtained in exposure rate (mR/hr) after data analysis shows that the highest radiation level at Okaba coal mine was found to be 840.96mR/yr or

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Measurements of Gross Alpha and Beta Radioactivity in ...

Measurements of Gross Alpha and Beta Radioactivity in Surface Soil, Mineral Rock and ... reference level (0.1mSv/y) while the value obtained in coal mine field was higher than the reference level. Consumable water around the coal mine field may pose a health risk as the ingested dose is ... radioactive contaminations. 1.1 Study Area sample was ...

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Measurement of natural radioactivity in several sandy ...

Mar 01, 2020  The activity concentrations of natural radionuclides 226 Ra, 232 Th and 40 K in soil samples collected from Sijua Dhanbad, India were measured by using a gamma-ray spectrometer with a NaI(Tl) detector. The average activity concentration of 226 Ra, 232 Th, and 40 K was found as 60.3, 64.5 and 481.0 Bq. kg − 1, respectively.Average radium equivalent activity, absorbed dose rate, outdoor

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Quantification of U, Th and specific radionuclides in coal ...

May 01, 2020  Most of South Africa’s energy is derived from the combustion of coal in pulverized coal-fired power plants (CFPP). However, when compared with the rest of the world, limited information regarding the main radioactive elements (U and Th) and specific radionuclides of interest (K40, Ra226 and Th232) from South African CFPP is available in the public domain.

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Satellite reveals Australian coal mines emit much more ...

11 小时前  Australia is in the top-5 coal producing countries in the world. It reports coal mining methane emissions of a million tons per year. ‘It is hard to believe that 7% of coal production is responsible for 55% of coal mining methane emissions,’ says Prof. Ilse Aben (SRON/VU), leading the

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Study of field measurement of mining-induced coal fracture ...

Study of field measurement of mining-induced coal fracture field and its application. Field measurement and wind tunnel study of aerodynamic ...

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Eco-environmental assessment model of the mining area in ...

Sep 02, 2021  Zhao et al. studied the level of heavy metal pollution by measuring the chemical composition of soil in coal mining areas 7. However, the chemical measurement method is

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New contactless mechanism to monitor ... - mining

Nov 02, 2021  Researchers at the Pacific Northwest National Laboratory have developed a contactless technique to better measure, in real-time, the acidity of highly radioactive solutions, as well as the ...

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Naturally Occurring Radioactive Materials NORM - World ...

Coal can be mined in either open pits or underground mines, and produces a significant amount of waste rock, and drainage water that can present with elevated levels of radioactivity. Underground coal mines are subject to increased radon levels, while elevated levels of radium and K-40 can be found in mining waste rocks and soil.

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Determination of Pb-210 and Po-210 in Aqueous ...

The activity measurement of Pb-210 in water samples is generally difficult, due to its ... such as the coal mining affected area near Rheinberg (NRW) and uranium mining affected region of Mailuu Suu, Kyrgyzstan. ... The major sources of technically enhanced natural radioactivity are mining activities

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(PDF) RADIATION TECHNOLOGY APPLICATIONS IN MINING AND ...

Most commercially available logging technologies for the coal mining industry are non-spectrometric (i.e. measure all the gamma radiation received without discrimination in energy). Non-spectrometric gamma–gamma (i.e. gamma ray backscattering) and natural–gamma (i.e. direct measurement of natural gamma radiation) techniques are now being ...

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SURFACE RADIATION DOSE AND RADIONUCLIDE

Radiation doses were measured (in-situ) at the selected points at the surface and 1 meter height in the study area. The measurements were conducted using radiation dose digital rate meter detector. Portable radiation survey instrumentation used for measuring environmental radiations is survey meter Model 2241 from LUDLUM Measurement Incorporations.

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Measurement of Radiation Exposure Due to Natural ...

Measurement of Radiation Exposure Due to Natural Radionuclides in Gemstone Mining Area in Olode, Ibadan South Western Nigeria I. A. Tubosun1, P. Tchokossa2*, F. O. Balogun3, G. A. Okunlola4, L. A. Owoade4 and C. A. Adesanmi5 1Centre for Energy Research and Development, Obafemi Awolowo University, Ile-Ife,

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Assessment of environmental radioactivity around coal mine ...

radiation meter (INSPETOR 06250 MODEL) which is optimise to measure alpha, beta and gamma radiation. On the basis of measurement of environmental radioactivity around coalmine at okaba, result obtained in exposure rate (mR/hr) after data analysis shows that the highest radiation level at Okaba coal mine was found to be 840.96mR/yr or

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Radioactive Elements in Coal and Fly Ash, USGS Factsheet ...

Nov 29, 2016  Fact Sheet FS-163-97 October, 1997. Radioactive Elements in Coal and Fly Ash: Abundance, Forms, and Environmental Significance . The entire Fact Sheet FS-163-97 can be downloaded and viewed with Adobe Acrobat Reader. If you do not already have Acrobat Reader, you may download Adobe Acrobat Reader from this site.

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NORM Measurements and Radiological Hazard Assessment

burning coal, making and using fertilizers, oil and gas production and mining operations. Although several studies were carried out on natural radiological exposure in Cameroon2-8), environmental radioactivity in mining sites remains largely unknown justifying the present study in the gold mining areas of Eastern Cameroon.

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Natural Radioactivity and Assessment of Associated ...

Apr 01, 2014  The activity concentrations of naturally occurring radionuclides 226 Ra, 232 Th and 40 K in soil and water samples collected from Barapukuria 2×125 MW Coal Fired Thermal Power Plant area situated in Dinajpur district of Bangladesh were measured using gamma ray spectrometry technique. Two types of soil samples namely, active and passive soil samples and both surface and underground

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Radioactivity of dumps in mining areas of the Upper ...

Underground coal mining is associated with large quantities of gangue. In the past, the majority of gangue was not utilized but was placed in the vicinity of the coalmines forming cone-shaped dumps. Some of them contained even millions of tons of rock. Nowadays, environmental precautions extort larger utilization of any kind of waste materials, for example in road construction, civil ...

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Naturally Occurring Radioactive Materials NORM - World ...

Coal can be mined in either open pits or underground mines, and produces a significant amount of waste rock, and drainage water that can present with elevated levels of radioactivity. Underground coal mines are subject to increased radon levels, while elevated levels of radium and K-40 can be found in mining waste rocks and soil.

Read More
Satellite reveals Australian coal mines emit much more ...

11 小时前  Australia is in the top-5 coal producing countries in the world. It reports coal mining methane emissions of a million tons per year. ‘It is hard to believe that 7% of coal production is responsible for 55% of coal mining methane emissions,’ says Prof. Ilse Aben (SRON/VU), leading the

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Naturally occurring radioactive materials (NORM IV)

May 13, 1996  in mining and other industrial operations involving NORM, including impacts associated with NORM residues and discharges. Other important topics addressed included legal aspects (standards and regulation) and measurement techniques, including measurement of radon. NORM IV was organized by the Central Mining Institute, Poland with the assistance of

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Eco-environmental assessment model of the mining area in ...

Sep 02, 2021  Zhao et al. studied the level of heavy metal pollution by measuring the chemical composition of soil in coal mining areas 7. However, the chemical measurement method is

Read More
Study of field measurement of mining-induced coal fracture ...

Study of field measurement of mining-induced coal fracture field and its application. Field measurement and wind tunnel study of aerodynamic ...

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Miners' exposure to radon and its decay products in some ...

Aug 04, 2005  Radioactivity measurements were carried out in 12 non-uranium underground mines in Iran. These mines include phosphate, coal, lead, lead–zinc, bauxite–argillite, manganese, chromites, and turquoise extraction. The preliminary results of this research were reported by Ghiassi-Nejad et al.

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Stanislaw CHALUPNIK Professor D.Sc. Główny Instytut ...

Mining areas of hard coal mines comprise approximately 25% of the total catchment area of watercourses in the area of U... View Natural radioactivity in drinking underground waters in Upper ...

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AshScan – DUO Coal Mining RTI

E.g. wash plant receiving coal from 2 or 3 different mines with different Fe Ca content. The analyser can store up to 16 different calibrations for different coal types, but it needs an input to know which coal is being feed at any given time, e.g. Coal from Mine A or B, etc. Accuracy is approx. 0.9 -1%

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Luminance Measurement for Underground Mine Lighting

an underground coal mine were performed at four rib locations in ... It is required that the measurement area be between 0.91m2 (3 ft2) and 1.52 m2 (5 ft2) [11]. If the actual mining height ... play a role in making luminance measurements in an underground coal mine. To the authors’ knowledge, there has not been a study to ...

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