Journal of Environment and Earth Science ISSN 2224-3216 (Paper) ISSN 2225-0948 (Online) Vol 1, No.1, 2011 pH EC Texture O.M Available-N KCl-Al Available-P CEC
g kg -1 mg kg -1 mg kg -1 mg kg -1 cmol(+)kg
ICP-MS analysis: Aluminum (Al) Sodium (Na) Iron (Fe) Potassium (K) Magnesium (Mg) Silver (Ag) Arsenic (As) Boron (B) Calcium (Ca) Cadmium (Cd) Cobalt (Co) Chromium (Cr) Copper (Cu) Manganese (Mn) Molybdenum (Mo) Nickel (Ni) Lead (Pb) Zinc (Zn)
g kg -1 g kg -1 g kg -1 g kg -1 g kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg -1 mg kg
dSm
-1
-1
-1
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9.00±0.05 1.88±0.05 nd 67.6±0.5 19.06±1.56 125.07±4.5 17.12±0.54 43.12±5.54
11.9±0.2 6.15±0.11 nd 380.2±3.2 78.09±1.05 34.67±0.58 53.99±2.51 76.00±3.5
6.27±0.12 1.05±0.07 Silty loam 20.3±0.6 23.34±0.59 75.23±1.52 26.00±4.00 10.53±0.06
12.6±0.05 0.5±0.02 121.0±4.0 0.5±0.01 12.6±0.5 <0.002 <0.1 12.30±0.58 266.07±2.28 0.05±0.00 0.44±0.04 3.83±0.08 0.86±0.10 7021.85±279.71 0.03±0.04 7.75±0.71 0.05±0.00 10.95±0.85
71.9±0.7 1.5±0.02 82.3±2.9 30.7±0.8 3.6±0.3 2.00±0.12 11.51±0.26 109.07±5.06 309.34±11.28 1.57±0.06 3.00±0.02 23.72±0.69 342.07±6.70 3321.74±63.71 4.60±0.18 30.15±0.59 29.16±0.32 190.86±0.83
71.0±0.47 <0.001 123.2±4.9 10.6±0.6 1.5±0.02 <0.002 3.80±0.19 6.55±1.05 1.61±0.06 0.37±0.03 7.53±0.37 12.82±0.59 11.34±0.60 7822.82±444.63 0.45±0.07 13.50±0.55 20.30±0.54 64.19±2.15
Table 3.Relative proportion of phosphate that best fit biosolids, WTRs, and selected WTRs-Biosolidstreated soils XANES spectra in linear combination fittinga. Treatments
Soil Kafr El-Dawar
El-Bostan
Borg Al-Arab
USA-soil
WTRs 5.07%±0.05 Al hydroxide with Psorbed 64.19%±0.07 Fe hydroxide with Psorbed
30.72%±0.02 H12IP6
10 Biosolids(B)
19.08%±0.02 Na12 I P6
47.02%±0.05 amorphous Fephosphate
31.16%±0.02 Zn3 (PO4)2
0.79%±0.02 Mn3 (PO4)2
10.93%±0.01 KH2PO4
12.63%±0.01 Al PO4
11.22%±0.04 KMgH9IP6
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17.21%±0.01 Hydroxyapatite
3.10%±0.02 Cu3(PO4)2
Biosolids
26.03%±0.01 Ba6IP6
73.09%±0.03 Cu3(PO4)2 0.89%± 0.02 Al hydroxide with Psorbed