印度Jaduguda铀处理厂和固体废物处理场关键放射属性的季节变化

IF 1 4区 工程技术 Q4 INSTRUMENTS & INSTRUMENTATION
MAPAN Pub Date : 2023-12-02 DOI:10.1007/s12647-023-00708-z
Dibyendu Rana, V. N. Jha, R. L. Patnaik, M. K. Singh, S. K. Jha, M. S. Kulkarni
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引用次数: 0

摘要

与任何其他设施一样,核设施同样与人员和环境的风险有关。任何设施的影响评估都是其顺利运行的必要先决条件之一。铀矿石经过不同的加工阶段,如粒度还原、浸出、过滤、产品回收和废物沉积。矿石加工的不同阶段可以重新分配放射性核素的活性,其测量对于设施的影响分析至关重要。氡和伽马水平的变化在国际上作为一个地区自然辐射环境季节性的标志进行了调查。因此,对工厂和固体废物处理场进行了氡(222Rn)和伽马水平调查,以检查对工人和环境的影响。观察到工作场所的氡浓度在20至150 Bq m - 3之间变化,这在ICRP建议(ICRP 2014)建议的300 Bq m - 3的参考阈值范围内。设施对周围环境的影响与背景的影响是无法区分的。研究结果表明,在任何一个地点,氡水平变化的季节性都相当可观,而工厂的伽马水平变化归因于源的性质和数量,而不是季节性影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Seasonal Variability in Key Radiological Attributes in U-Processing Plant and Solid Waste Disposal Sites at Jaduguda, India

Seasonal Variability in Key Radiological Attributes in U-Processing Plant and Solid Waste Disposal Sites at Jaduguda, India

Like any other facilities, nuclear facilities are likewise connected with risks to the personnel and environment. The impact assessment of any facility is one of the essential prerequisites for its smooth running. Uranium ore is processed through different stages, such as size reduction, leaching, filtration, product recovery and waste deposition. Different stages of the ore processing can redistribute the activity of radio-nuclides and their measurement is essential for the impact analysis of the facility. Variation in radon and gamma levels is internationally investigated as a marker for seasonality in the natural radiation environment of an area. Accordingly, investigation for both plant and solid waste disposal sites has been carried out for radon (222Rn) and gamma levels to examine the influence on the workers and environment. The radon concentration in the workplace is observed to vary between 20 and 150 Bq m−3, which is within the reference threshold of 300 Bq m−3 suggested in the ICRP recommendation (ICRP 2014). The impacts of the facility on the surrounding environment are indistinguishable from those of the background. Findings suggest that the seasonality of change in radon level is considerable at either site and the gamma level change in the mill is ascribed to the nature and quantity of the source rather than the seasonal influences.

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来源期刊
MAPAN
MAPAN 工程技术-物理:应用
CiteScore
2.30
自引率
20.00%
发文量
91
审稿时长
3 months
期刊介绍: MAPAN-Journal Metrology Society of India is a quarterly publication. It is exclusively devoted to Metrology (Scientific, Industrial or Legal). It has been fulfilling an important need of Metrologists and particularly of quality practitioners by publishing exclusive articles on scientific, industrial and legal metrology. The journal publishes research communication or technical articles of current interest in measurement science; original work, tutorial or survey papers in any metrology related area; reviews and analytical studies in metrology; case studies on reliability, uncertainty in measurements; and reports and results of intercomparison and proficiency testing.
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