Intergraded Applied Methodology for the Treatment of Heavy Polluted Waste Waters from Olive Oil Industries

Table 3

Composition of the olive oil solid residue.

Characteristics	OOSR-DF	OOSR-DL	OOSR-DP
Moisture	48.71 ± 2.01	50.12 ± 1.92	62.1 ± 2.12
Total solids (TS), %	86.00 ± 3.33	85.34 ± 4.01	77.98 ± 6.71
Total organic carbon content, % of TS	51.45 ± 4.48	46.79 ± 3.32	47.12 ± 3.61
Total kjeldahl nitrogen, % of TS	1.06 ± 0.15	1.12 ± 0.07	0.79 ± 0.10
Total phosphorous as P2O5, % of TS	0.11 ± 0.01	0.13 ± 0.01	0.07 ± 0.01
Fats and oils, % of TS	4.65 ± 1.09	4.89 ± 1.21	6.02 ± 0.93
Total proteins, % of TS	3.29 ± 0.12	3.97 ± 0.19	2.43 ± 0.19
Total sugars, % of TS	1.07 ± 0.09	1.12 ± 0.11	0.96 ± 0.04
Cellulose, % of TS	22.27 ± 0.44	19.31 ± 0.96	16.30 ± 0.47
Hemicellulose, % of TS	16.57 ± 0.94	14.90 ± 0.78	9.45 ± 1.02
Ash, % of TS	3.65 ± 0.25	4.01 ± 0.44	3.12 ± 0.17
Other extraction substances, % of TS	8.38 ± 0.35	9.45 ± 0.59	7.12 ± 0.28
Lignin, % of TS	11.95 ± 0.45	14.41 ± 0.87	9.39 ± 0.68
Potassium as K2O, % of TS	0.83 ± 0.11	0.91 ± 0.07	0.87 ± 0.11
Calcium content, % of TS	0.72 ± 0.08	0.67 ± 0.03	0.65 ± 0.04
C/N ratio	48.53 ± 5.03	41.77 ± 3.97	59.64 ± 4.45
C/P ratio	467.72 ± 42.1	359.92 ± 53.9	673.14 ± 79.98
Specific weight, gr cm^−3	1.09 ± 0.02	1.12 ± 0.08	1.35 ± 0.04
porosity, %	52.4 ± 5.5	49.3 ± 4.9	28.6 ± 6.6
Germination index, %	17 ± 3	21 ± 5	16 ± 9
Humics, %	1.03 ± 0.08	1.18 ± 0.31	0.92 ± 0.30
E4/E6 ratio	1.00 ± 0.05	0.95 ± 0.07	1.10 ± 0.13

TS: total solids.