Next generation gamma ray shielding blocks developed using alumina industry waste

Rahul Arya,Rini Paulose,Varsha Agrawal,Ashutosh Pandey,Deepti Mishra,Sunil Kumar Sanghi,Mohammed Akram Khan,Dehi Pada Mondal,M. Muhamed Shafeeq,Kaushik Banerjee, Sujoy Chatterjee,Supriya Mukhopadhyay,Pratap Roy, Raman Ravishankar, Chandana Bhattacharya,Abhay Bhisikar, Paparao Mondi,Upendra Singh,Anupam Agnihotri,Avanish Kumar Srivastava

Construction and Building Materials（2023）

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摘要

•5.23 g/cm3 γ-ray shields were developed by hot compacting red mud:Bi2O3 (RMBi) melt.•RMBi block shows 60% attenuation of lead at 1.33 MeV.•RMBi block possess the compressive strength of ≈283 MPa, both at RT and 500 °C.•No leaching of heavy metals from the hot compacted samples.•It can reduce the usage of toxic-lead and accumulation of industrial waste.

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关键词

Red mud,Gamma ray shield,Linear attenuation coefficient,Hot compaction,Waste utilization

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