广西伴生放射性矿开发利用中的放射性水平初步调查

Abstract

Abstract: Based on the investigation of 17 types of mineral resources in Guangxi, the radioactivity levels of 280 factories and mines had been measured and analyzed in this study. The results indicated that the average specific radioactivity in raw materials and products derived from the zircon ore, lead/zinc ore, germanium/titanium ore, and vanadium ore is greater than 1 000 Bq/kg. The average specific radioactivity in solid wastes produced in rare earth ore, zircon ore,lead/zinc ore, germanium/titanium ore, tin ore, and vanadium ore is greater than 1 000 Bq/kg. The gross α and gross β in waste water are higher than the discharge limit. The screening value of γ air adsorbed dose rate of 100 nGy/h was recommended to avoid missing of some industries with high radioactivity.

Key words: mines, radiation, screening standard

CLC Number:

TL75+1

HUANG Yilin, HE Xianwen, FENG Liangliang, PENG Chong, CHEN Baocai, ZHOU Hualong, LIN Mingmei, LIN Wuhui, GUAN Yongjing. Investigation for radioactivity level during the exploitation and utilization of mines associated with radioactivity in Guangxi[J].RADIATION PROTECTION, 2020, 40(4): 278-285.

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Investigation for radioactivity level during the exploitation and utilization of mines associated with radioactivity in Guangxi

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