Solidification of borate radioactive resins using sulfoaluminate cement blending with zeolite

Treatment of spent radioactive anionic exchange resins using Fenton-like oxidation process

“…The common treatment of resins is immobilization, such as cementation [8][9][10][11][12][13][14], bituminization and plastic solidification [15]. However, those methods will cause the volume increase, leading to the high expense of transportation and management.…”

“…Taking catalyst Fe as sample, as shown in reaction (12), R 1 Å can reduce Fe 3+ into Fe 2+ . However, R 2 Å is hardly oxidized by Fe 3+ , and the catalyst can even be oxidized by R 3 Å (reaction (13)). This may be the reason why some organics cannot be oxidized in the Fenton process…”

Influence of Water-to-Cement Ratio on the Compressive Strength of Cement Biochar-Spent Ion Exchange Resins Matrix

“…For example, 20 g of spent resins was added together with 20 g of biochar in cement paste. Water-to-cement ratio is the weight ratio of water and cement and it is an important factor in influencing mechanical strength (Sun et al 2011). The water-to-cement (w/c) ratios conducted in this study were 0.35 -0.90.…”

Influence of sodium borate on the early age hydration of calcium sulfoaluminate cement

“…Besides, CSA cements are of interest to stabilize hazardous wastes [9][10][11][12][13][14][15]. It has been shown recently that belite calcium sulfoaluminate cements with high ye'elimite contents may have good potential for the conditioning of borate-containing radioactive wastes: their rate of hydration is less retarded by borate ions than that of ordinary Portland cement [16][17][18][19]. Besides, they form by hydration large amounts of AFm and AFt phases [20][21][22][23][24].…”