Open AccessRedox Control For Hanford HLW Feeds VSL-12R2530-1, REV 0
Author(s) -
Albert A. Kruger,
Keith S. Matlack,
Ian L. Pegg,
Wing K. Kot,
Innocent Joseph
Publication year - 2012
Language(s) - English
Resource type - Reports
DOI - 10.2172/1059498
Subject(s) - hanford site , crucible (geodemography) , borosilicate glass , redox , waste management , ampoule , chemistry , radioactive waste , materials science , environmental science , nuclear chemistry , metallurgy , engineering , composite material , computational chemistry
The principal objectives of this work were to investigate the effects of processing simulated Hanford HLW at the estimated maximum concentrations of nitrates and oxalates and to identify strategies to mitigate any processing issues resulting from high concentrations of nitrates and oxalates. This report provides results for a series of tests that were performed on the DM10 melter system with simulated C-106/AY-102 HLW. The tests employed simulated HLW feeds containing variable amounts of nitrates and waste organic compounds corresponding to maximum concentrations proj ected for Hanford HLW streams in order to determine their effects on glass production rate, processing characteristics, glass redox conditions, melt pool foaming, and the tendency to form secondary phases. Such melter tests provide information on key process factors such as feed processing behavior, dynamic effects during processing, processing rates, off-gas amounts and compositions, foaming control, etc., that cannot be reliably obtained from crucible melts