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Leaching in Acidic and Neutral Media of Heavy Metals from Cementitious Matrices Containing Ashes Resulting of Moukondo Landfill Waste Burning in Brazzaville (Republic of Congo)
Kiele Molingo Mbemba, Mithé Brice Mabiala Loubilou, Jean Maurille Ouamba
Journal of Environment Pollution and Human Health
.
2023
, 11(3), 60-71 doi:10.12691/jephh-11-3-2
Table 1. Composition of cement Porland of Dolisie (% weight)
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Table 2. Formulations of cementitious matrices studied
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Table 3. Heavy metals concentrations in P0, P1, P2, P3, P4, P5 and P6 cementitious matrices leachates at pH=4 at 30, 90 and 180 days
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Table 4. Heavy metals concentrations in P0, P1, P2, P3, P4, P5 and P6 cementitious matrices leachates at pH=7 at 30, 90 and 180 days
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Table 5. Heavy metals concentrations in leachates from raw cement, raw ashes and P0, P1, P2, P3, P4, P5 and P6 cementitious matrices at pH=4 after 30, 90 and 180 days
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Table 6. Heavy metals concentrations in leachates from raw cement, raw ashes and P0, P1, P2, P3, P4, P5 and P6 cementitious matrices at pH=7 after 30, 90 and 180 days
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Table 7. Percentage of heavy metals retention in P0, P1, P2, P3, P4, P5 and P6 cementitious matrices after 30 days at pH=4 and 7
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Table 8. Percentage of heavy metals retention in P0, P1, P2, P3, P4, P5 and P6 cementitious matrices after 90 days at pH=4 and 7
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Table 9. Percentage of heavy metals retention in P0, P1, P2, P3, P4, P5 and P6 cementitious matrices after 180 days at pH=4 and 7
Full size table and legend