Radon Exhalation from Industrial Residues as Suitable Additives for Building Materials

H.  Barros; G.  Espinosa; W.  Rodriguez; L.  Sajo-Bohus

doi:10.15415/jnp.2017.51011

Authors

H. Barros Universidad Simón Bolívar. Apartado 89000, Caracas 1080 A, Venezuela.
G. Espinosa Instituto de Física, Universidad Nacional Autónoma de México, Coyoacán, México
W. Rodriguez Universidad Simón Bolívar. Apartado 89000, Caracas 1080 A, Venezuela
L. Sajo-Bohus Universidad Simón Bolívar. Apartado 89000, Caracas 1080 A, Venezuela

DOI:

https://doi.org/10.15415/jnp.2017.51011

Keywords:

TENORM, Phosphogypsum, Red Mud, Radon, Building Additives

Abstract

Radon exhalation from phosphogypsum (PG) and red mud (RM) samples are of environmental concern. The study is oriented to evaluate by different nuclear techniques, industrial materials cumulated in sites at Morón (PG) and Puerto Ordaz (RM) in Venezuela. RM samples and industrial by products are assessed for its potential use as additives in building materials regarding its radiological health risk. Radioactive matter concentration in RM is up to 11.6 kBq.kg^-1. Radon concentration range for RM dry powder is between DL and 2.5 kBq.m-³ and for PG is between 105-340 Bq.m-³. Results indicate that industrial by product before it can be used as additive; require remedial actions to lower the environmental impact. Experimental values are compared with locally available cement, bricks and gypsum building materials.

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