American Society of Civil Engineers


Uptake of Cesium ( Cs+) by Building Materials in Aqueous Batch Systems


by Baolin Deng, (corresponding author), (Professor, Dept. of Civil and Environmental Engineering, Univ. of Missouri, Columbia, MO 65211. E-mail: dengb@missouri.edu), Victor Medina, M.ASCE, (Research Environmental Engineer, Environmental Laboratory, U.S. Army Corps of Engineers Engineer Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180.), Candice Reed, (Elementary Educator, MPH, Vicksburg-Warren School District, Sherman Avenue Elementary School, 2145 Sherman Ave., Vicksburg, MS 39183.), Anthony Bednar, (Research Chemist, Environmental Laboratory, U.S. Army Corps of Engineers Engineer Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180.), Chris Griggs, (Research Physical Scientist, Environmental Laboratory, U.S. Army Corps of Engineers Engineer Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180.), Katrina M. Dontsova, (Research Scientist, Environmental Laboratory, U.S. Army Corps of Engineers Engineer Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180.), and Catherine C. Nestler, (Research Scientist, Applied Research Associates, 119 Monument Dr., Vicksburg, MS 39180.)

Journal of Environmental Engineering, Vol. 137, No. 11, November 2011, pp. 990-995, (doi:  http://dx.doi.org/10.1061/(ASCE)EE.1943-7870.0000425)

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Document type: Journal Paper
Abstract: Cesium-137 ( C137) is a radioactive source that could be utilized in the construction of a radioactive dispersal device (RDD). The objective of this study was to examine the uptake of Cs+ by common structural materials in the presence of water by using batch experiments with nonradioactive cesium chloride ( CsCl133) as a surrogate for the radionuclide. Uptake kinetics and adsorption isotherms of Cs+ were measured on a diverse set of building materials, as were the effects of pH on the sorption processes. The results showed that wood materials, metal filings, and organic building materials and supplies did not sorb significant amounts of Cs+, but red brick, concrete block, drop ceiling panels, and clay materials retained Cs+ strongly. Adsorption kinetics were fast, and sorption isotherms could be characterized as linear. The solution pH did not have a significant effect on Cs+ sorption.


ASCE Subject Headings:
Construction materials
Sorption
Radioactive materials

Author Keywords:
Cesium
Dirty bomb
Sorption
Building materials