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Logo of bioinorgchemapplBioinorganic Chemistry and Applications
 
From:
Published online 2012 May 27. doi: 10.1155/2012/173819

Table 2

Physical-chemical characteristics of original sludge and polluted sludge.

ParametersOriginal sludgePolluted sludge
pH(H2O)5.784.47
pH(KCl)5.084.42
EC, μS·cm−1 3601926
Moisture content, %6.107.13
Permeability, cm·s−1 1.75 × 10−5 1.72 × 10−5
Organic matter content, %14.014.0
Cation exchange capacity (CEC), cmol·kg−1 33.630.5
BET-specific surface area (SSA), m2·g−1
Langmuir-specific surface area (SSA), m2·g−1
36.0
56.2
29.4
45.8