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Accession Number DE2012-1045911
Title Results of Analyses of Macrobatch 3 Decontaminated Salt Solution (DSS) Coalescer and Pre-filters.
Publication Date Jun 2012
Media Count 27p
Personal Author F. F. Fondeur S. D. Fink T. B. Peters
Abstract SRNL analyzed the pre-filter and Decontamination Salt Solution (DSS) coalescer from MCU by several analytical methods. The results of these analyses indicate that overall there is light to moderate solids fouling of both the coalescer and pre-filter elements. The majority of the solids contain aluminum, sodium, silicon, and titanium, in oxide and/or hydroxide forms that we have noted before. The titanium is presumably precipitated from leached, dissolved monosodium titanate (MST) or fines from MST at ARP, and the quantity we find is significantly greater than in the past. A parallel report discusses potential causes for the increased leaching rate of MST, showing that increases in free hydroxide concentration of the feed solutions and of chemical cleaning solutions lead to faster leaching of titanium.
Keywords Aluminum
Analytical methods
Monosodium titanate
Radioactive waste processing
Silicon oxides

Source Agency Technical Information Center Oak Ridge Tennessee
NTIS Subject Category 77G - Radioactive Wastes & Radioactivity
Corporate Author Savannah River National Lab., Aiken, SC. Savannah River Nuclear Solutions.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1303
Contract Number DE-AC09-08SR22470

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