Title: TPS, SS, COD, NH3-N, T-P,
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- TPS, SS, COD, NH3-N, T-P,
- PCE, Phenol
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17Mixture Ratio of Soil, Sludge and Lime of Column
Test
18Schematic diagram of column test
19Concentration of Pollutants from column leachate
20Concentrations of metals from column leachate
21Characteristics of Surface Water on Sewage
Sludge Landfill Area.
Parameters Concentrations Permitted level
pH 7.53 5.88.6
SS 145 120??
COD(MN) 77.6 130??
COD(CR) 183.6 -
BOD5 127 120??
NH3-N 117 -
T-P 0.03 8??
Phenol 0.025 3??
TCE N.D 0.3??
PCE N.D 0.003??
Cr N.D 2??
Fe 0.017 10??
Zn N.D 5??
Cu N.D 3??
Cd N.D 0.1??
Pb N.D 1??
22Metal Concentrations in Sludge
23Metal concentrations in Soil and Sludge Mixture
(unit mg/kg, wet basis)
24Organic Contents Characteristics of Sludge
25Extraction Test Result of Soil and Sludge
Mixture
Consituents Soil only 10.2 10.4 10.6 10.8 Sludge only Permitted level
Pb N.D N.D N.D N.D N.D 0.972 3
Cu N.D 0.050 0.175 0.225 0.175 0.667 3
Cd N.D N.D N.D N.D N.D N.D 0.3
Cr N.D N.D N.D N.D N.D 0.158 1.5
Hg N.D N.D N.D N.D N.D N.D 0.005
cN N.D 0.003 1.110 0.045 0.023 0.001 1
26Physical Characteristics of Sludge
27Grain Size Distribution of Soil
28Soil Characteristics of Soil and Sludge Mixture
29Permeability Change in accordance with Lime
Content
30Growth rate of plant
31Metal Concentrations in Plant