Recent Progress in Chemically Bonded Phosphate Ceramics

Table 4

Waste streams tested in the Russian project [64].

Nature of the contaminant	H1	H2	M1	M2
Waste source	Supernatant from Hanford,; AN-105	Supernatant from Mayak, Russia	Sludge from Hanford, AZ-102	𝛼-Bearing waste from Mayak, Russia
Solids content (wt.%)	52	38	35	16
Major benign ions (g/L)	Na^+-256; NO3^−-167; NO2^−-113; OH^−-84	Na^+-265; NO2^−-85; OH^−-43	Na^+-99; NO3^−-38; NO2^−-295; OH^−-90	Na^+-83; NO2^−-24
Activity of actinides (Bq/L)	^239Pu-1.2𝐸8; ^237Np-1.2𝐸8	^239Pu-3.5𝐸8; ^237Np-2.4𝐸6; ^241Am-8.0𝐸8		Sa-1.3𝐸5
Fission products	^90Sr-2.1𝐸7; ^137Cs-2.4𝐸7; ^99Tc-6.3𝐸8; ^131I-1,1𝐸7; ^75Se-2.7𝐸6	^90Sr-5.1𝐸8; ^137Cs-1.2𝐸7; ^99Tc-1.9𝐸9	^90Sr-1.5𝐸6; ^137Cs-5.8𝐸10; ^99Tc-6.3𝐸8; ^129I-2.3𝐸6
Hazardous metals	Cr-2.9 as CrO^4−; Pb^2+-0.07; Cd^2+-0.003	Cr^3+-0.24; Pb^2+-0.01; Cd^2+-5; Ni^2+-2.4	Cr-7 as CrO^4−	Ni^2+-2.4