· He is also a grant assessor for several scientific institutions in 13 countries, UK, US, Netherlands, China, France, Australia, Kazakhstan, Belgium, Spain, Czech Republic, Saudi Arabia, UA. Emirates, Poland and, the EU Commission. He has also been an invited reviewer for 125 international journals and has reviewed almost 1000 papers. His review record places him
احصل على السعرDetermination of Natural Radioactivity in Some Commercial Phosphate Fertilizer Samples Firas Hashem Ahmed1,*Kingdom of Saudi Arabia, Italy and Turkey) were accomplished by the use of high purity germanium detector device. Radiation hazard indices [(Annual Effective Dose Equivalent) in, (Annual Effective Dose Equivalent) out, Equivalent Activity of Radium,
احصل على السعر· Environmental Radioactivity of TE-NORM Waste Produced from Petroleum Industry in Egypt: Review on Characterization and Treatment . Written By. M. F. Attallah, N. S. Awwad and H. F. Aly. Submitted: December 2nd, 2022 Reviewed: February 15th, 2022 Published: October 31st, 2022. DOI: /39223. DOWNLOAD FOR FREE. Share. Cite. IntechOpen.
احصل على السعرRadioactivity 42 (1999) 65—75 Introduction The work presented here is a continuation of an earlier study on the natural radioactivity content of phosphate deposits at Uro and Kurun in the eastern part of the Nuba Mountains in western Sudan (Sam and Holm, 1995). The study shows that the additional external radiation exposure for the farmers when using these ground rock
احصل على السعرMade available by Department of Energy Office of Scientific and Technical Information
احصل على السعر@misc{etde_20087486, title = {Radioactivity in Orontes river environment} author = {Othman, I, Al-Masri, M S, Al-Oudat, M, Abba, A, Al-Hishari, M, and Berakdar, I} abstractNote = {Syrian phosphate industry is considered to be one of the main sources of pollutants at the most important water resources of the middle region viz. Orontes river and Quttina lake.
احصل على السعرThis work aims to estimate radiation exposure and dose levels at Al-Jalamid site in northern Saudi Arabia. Al-Jalamid area is one of the largest reserves of phosphate worldwide. Ma'aden, a
احصل على السعرA. S. Alaamer, "Assessment of human exposures to natural sources of radiation in soil of Riyadh, Saudi Arabia," Turkish Journal of Engineering and Environmental Sciences, vol. 32, no. 4, pp. 229–234, 2022. View at: Google Scholar
احصل على السعرThe present work deals with identifying and determining the activity levels of natural occuring radionuclides, (226)Ra and (232)Th series, their decay products and (40)K, in chemical and organic fertilizers used in Kingdom of Saudi Arabia. A total of 30 samples: 20 phosphatic fertilizers (single super-phosphate SSP and triple super-phosphate,TSP) and 10 organic
احصل على السعرIn Saudi Arabia, the natural radiation levels in soil and sediment samples were collectedand phosphogypsum piles were investigated (Al-Jundi et al. 2022). Natural radioactivity was tested in foods and drinks in Hong Kong (Yu and Mao 1999). Air, water and soil samples were tested for natural radioactivity for Sanliurfa province of southeastern Turkey (Bozkurt et al. 2022). The
احصل على السعرRadioactivity measurements have been conducted in nine underground phosphate mines in the Egyptian Eastern Desert In order to estimate the occupational radiation exposure of mine workers in those mining sites. Measurements were carried out of airborne radon (222Rn) and its short-lived decay products (progeny) and thoron (220Rn) progeny, as well as y-radiation from
احصل على السعرPhosphogypsum is generated as a by-product of the phosphoric acid based fertilizer industry. The discharge of phosphogypsum on earth surface deposits is a potential source of enhanced natural radiation and heavy metals, and the resulting environmental impact should be considered carefully to ensure safety and compliance with environmental regulations. A reliable
احصل على السعرExposure from Phosphate Fertilisers Used in Saudi Arabia Fatimh Alshahri Department of Physics, College of Science, Imam Abdulrahman Bin Faisal University, P. O. Box1982, Dammam 31441, Saudi Arabia E-mail: [email protected] Published online: 25 August 2022 To cite this article: Alshahri, F. (2022). Evaluation of excess lifetime cancer risk due to gamma rays
احصل على السعرThe 'constructive regulation' of phosphates and phosphogypsum. A new, evidence-based approach to regulating a NORM industry vital to the global community. Hilton, Julian (Aleff Group, 53-54 Skylines, Limeharbour, London E14 9TS (United Kingdom)); Birky, Brian (Florida Institute for Phosphate Research, 1855 West Main Street, Bartow, FL 33830
احصل على السعرThe "constructive regulation" of phosphates and phosphogypsum A new, evidence-based approach to regulating a NORM industry vital to the global community Julian Hiltona*, Brian Birky b, Johnstonc aAleff Group, 53-54 Skylines, Limeharbour, London E14 9TS, United Kingdom bFlorida Institute for Phosphate Research, 1855 West Main Street, Bartow, FL 33830 Florida,
احصل على السعر· Monocal Chemistry and Phosphogypsum Radioactivity Summary In any instance of the monocal process for wet process phosphoric acid production some soluble sulfate will be present throughout the circuit. This is true of recycled weak filter acids or recycled slurries, even with supplemental phosphate rock added for desulfonation. This small amount of sulfate will
احصل على السعرORIGINAL ARTICLE Removal of heavy metals from waste phosphogypsum materials using polyethylene glycol and polyvinyl alcohol polymers Mohammad Al-Hwaitia,*, Khalid A. Ibrahimb,c, Muhanned Harrarad aCollege of Engineering, Muzahimiyah Branch, King Saud University, Box 2454, Riyadh 11451, Saudi Arabia bPresent address: College of Engineering,
احصل على السعر· Lawsuit Challenges Trump EPA's Approval of Radioactive Roads. Environmental, public health and union groups sued the Environmental Protection Agency today for approving the use of radioactive phosphogypsum in roads. The groups also petitioned the agency to reconsider its Oct. 20 approval. The EPA has long prohibited use of
احصل على السعر· Phosphogypsum contains considerable amounts of natural radionuclides from the 238U chain, originating from the ore but enriched during the technological process. In order to perform radiological characterization of the "HIV" (Chemical Industry Veles) phosphogypsum stockpile, five phosphogypsum samples were collected and analyzed. The mean values of
احصل على السعرPHOSPHOGYPSUM AND THE RADIOACTIVITY PROBLEM As mentioned above, PG contains relatively high levels of 238U-series radionuclides. Depending on the quality of the phosph ate rock source, PG can contain as much as 60 times the levels normally . 1st Spanish National Conference on Advances in Materials Recycling and Eco – Energy Madrid, 12-13 November
احصل على السعر· The radiation dose rate is evaluated using the HPIC which varies from 134 ± 5a phosphogypsum sample was dried at 110°C for 24 hours in an oven of well-controlled temperature to ensure that moisture is completely removed to almost zero, and then cooled down to room temperature in a desiccator. The releasing radon from dried phosphogypsum sample
احصل على السعرResults for Dirad environmental industry environmental industry equipment with radiation portal monitors for radiation applications. Compare and contact a supplier serving Saudi Arabia
احصل على السعر· In this study, the activity concentration of 235U, 40K, 238U, 226Ra, and 232Th in phosphate rock found in the Kingdom of Saudi Arabia has been measured by gamma-ray spectrometry. Phosphate is extracted from the northern region in Saudi Arabia and widely used in agriculture as fertilizers as well as in the chemical industry. The average activity
احصل على السعر· The Department of Energy's Office of Scientific and Technical Information
احصل على السعر· The objective of the present study is the screening of the gross alpha and gross beta activity of some building materials commercialized in Saudi Arabia. The measurements were carried out using a gas flow proportional counter. The study has shown that the gross alpha activity ranged between and Bq/kg with an average activity of about
احصل على السعرThe activity concentration of naturally occurring radionuclides 40K, 226Ra and 232Th have been measured in different brands of fertilizer samples in Saudi Arabia using sodium iodide gamma spectrometry. The results of measurements showed that the mean (ranges) of specific activities for 226Ra, 232Th and 40K activities in the nitrogen, phosphorus and potassium fertilizers are
احصل على السعرKeywords: Phosphogypsum, Radioactivity, 238U chain. 1. INTRODUCTION The population of the Earth is constantly exposed to various types of ionizing radiation. By origin, the sources of ionizing radiation are divided into natural and artificial. Exposure to artificial sources is a result of their application in: medicine (diagnostics and therapy), industry, or from radionuclides present
احصل على السعر· Phosphogypsum (PG), primary byproduct from phosphoric acid production, is accumulated in large stockpiles and occupies vast areas of land. Phosphogypsum is a technologically enhanced naturally occurring radioactive material (TE-NORM) that contains radionuclides from 238 U and 232 Th decay series which are of most radio-toxicity. The
احصل على السعرEcological impacts of Al-Jalamid phosphate mining, Saudi Arabia: Soil elemental characterization and spatial distribution with INAA: APPLIED RADIATION AND ISOTOPES: Ponencia: 2022: Geocronologia por 14C de TerrasPretas Antropogênicas da Amazônia : Solos e Água, fontes (esgotáveis) de vida e de desenvolvimento Livro de atas: VII Congresso Ibérico das Ciências
احصل على السعرPhosphate, phosphoric acid and phosphogypsum natural radioactivity and radiological hazards parameters Korany. A. Korany1 · A. M. Masoud2 · O. E.
احصل على السعر· Natural Radioactivity and Dose Assessment For Bands of chemical and organic fertilizers used in Saudi Arabia J. Mod. Phys., 4 ( 2022 ), pp. 344 - 348 CrossRef View Record in Scopus Google Scholar
احصل على السعرProducts & Solutions. Chemical Technologies. Production and Midstream Solutions. Asset Integrity; Flow Assurance ; Production Maximization; UltraFab H 2 S Removal Systems; Midstream Consulting Services
احصل على السعر· Natural radioactivity and dose assessment for bands of chemical and organic fertilizers used in Saudi Arabia J. Mod. Phys., 4 ( 2022 ), pp. 344 -
احصل على السعر· Phosphogypsum contains gypsum, a material commonly used in drywall. But the federal government banned phosphogypsum use in 1989 because it emits low-level radioactivity. Phosphogypsum is dumped
احصل على السعر· This work is a first contribution to the knowledge of natural radionuclides (226 Ra, 238 U, 40 K, and 232 Th) activities in phosphate rock (NORM), phosphogypsum, and phosphogypsum foam (TENORM) from the coastal fertilizer plants of Gabes (Southeastern Tunisia) and the assessment of their radiation hazards on human health and the surrounding
احصل على السعر· Nearly all buildings in Saudi Arabia are constructed from cement blocks and cement are many studies for determining radionuclide concentrations in building materials in many countries (Amrani and Tahtat, 2022). However, measurements of the radioactivity in these materials in Saudi Arabia are limited.
احصل على السعرAs a by-product from the phosphate fertilizer industry Phosphogypsum (PG) was considered a potentially valuable source of the rare earth elements (REEs). Because of trace concentration of REEs in the PG (normally 2SO4, HCl and HNO3, and organic chemicals, the effects of mechanical treatment of PG by microwaving and grinding on leaching efficiency of REEs, and
احصل على السعرnatural radioactivity in soil samples were collected. ActivityUniversity, Saudi Arabia, Armed forces Main chemical laboratory Egypt, Department of Physics, Faculty of Science, Port Said University Egypt. activities of the natural radionuclides in the phosphate based industrial products are depending on their concentrations in the phosphate
احصل على السعرNatural radioactivity assessment of a phosphate fertilizer plant area Sahu, Ajmal, Bhangare, M. Tiwari, Pandit* Environmental Monitoring and Assessment Section, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India article info Article history: Received 17 October 2022 Received in revised form 1 January 2022 Accepted 2 January 2022 Keywords:
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