Assessment of NORM from oil refineries and fields northwest of Mosul
The uranium concentration and radioactivity of radon gas were measured in Al-Kasik refinery and Ain Zala field using the CR-39 detector. Soil and water samples associated with the production stages of oil, Sludge and crude oil were collected. The levels of uranium concentration in soil ranged from 0...
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| Formato: | article |
| Lenguaje: | AR EN |
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College of Education for Pure Sciences
2021
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| Acceso en línea: | https://doaj.org/article/2c08683fad5b4cbeb4a769f65bad13ad |
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| Sumario: | The uranium concentration and radioactivity of radon gas were measured in Al-Kasik refinery and Ain Zala field using the CR-39 detector. Soil and water samples associated with the production stages of oil, Sludge and crude oil were collected. The levels of uranium concentration in soil ranged from 0.703 to 1.480 ppm, in water samples from 0.681 to 0.716 ppm, in Sludge samples from 0.849 to 1.014 ppm, and in crude oil from 0.785 to 0.933 ppm. As for the radioactivity of radon gas, when comparing the radon rate in the samples we obtained with the global values, it was found that it falls within the internationally permissible limit, where the radon rate in the soil was 12.81 Bq/kg and when compared with the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) which has a value of 32 Bq/kg, and in the produced water it was 8.66 Bq/kg compared to (UNSCEAR)which has a value of 50 Bq/kg. In Sludge samples 11.81 Bq/kg and when compared with the International Atomic Energy Agency (IAEA) whose value is(8-5×〖10〗^5) Bq/kg, and in crude oil samples 10.56 Bq/kg and when compared with the International Federation of Oil and Gas Producer (IOGP) whose value is (800-4×〖10〗^5) Bq/kg. As for the alpha ray hazard index, the results showed that it is within the permissible limits internationally, where the results were less than 1 and therefore does not pose a threat to the health of workers and environment. |
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