Research Article

A Comprehensive Study on the Physicochemical Characteristics of Faecal Sludge in Greater Accra Region and Analysis of Its Potential Use as Feedstock for Green Energy

Table 5

Summary physicochemical parameters for both wet and dried dewatered solid sludge.

DeterminantUnitsDry dewatered faecal sludgeWet dewatered faecal sludge
MeanSDMinMaxMeanSDMinMax

Chloridemg·kg−1 cl22.0424.152.404930.1110.0620.7440.74

Moisture%15.783.9713.1620.3584.793.1381.1986.88

CVMJ/kg−115.580.3615.1615.8217.121.0416.3918.31

TVS% dry basis67.106.3960.0072.478.734.8673.783.4

Coppermg·kg−1125.9314.37115.40142.3185.303.24181.8188.2

Chromiummg·kg−142.536.2337.4249.4726.3311.9412.6534.63

Zincmg·kg−1694.0072.56647.40777.6923.7786.65824.6984.9

Nickelmg·kg−125.124.0521.7929.6322.041.8219.9423.16

Cadmiummg·kg−10.600.110.520.720.860.040.830.91

Leadmg·kg−16.691.105.457.5418.771.4517.2120.08

Arsenicmg·kg−110.820.4610.4811.3410.023.267.4413.69

Bariummg·kg−1119.6013.52110.20135.1176.1032.43142.9207.7

Molybdenummg·kg−112.051.4110.9013.6214.420.6413.7615.03

Seleniummg·kg−16.272.653.729.019.737.134.4217.83

Aluminiummg·kg−13,701.33380.533,318.0040797,168.00642.2467047901

Boronmg·kg−141.316.1137.1948.3375.378.3365.8281.15

Ironmg·kg−15,517.67669.335,069.0062879,159.331,013.46845610321

Manganesemg·kg−1241.8341.96203.40286.6269.9094.46168.8355.9

Titaniummg·kg−153.365.3150.1959.4958.5715.7648.1576.7

Vanadiummg·kg−112.461.8311.0314.5222.122.1720.724.62

Calciummg·kg−128,746.005,450.5324,653.003493344,305.676,742.423765851139

Magnesiummg·kg−16,538.67979.805,684.0076089,446.00532.7988379826

Sodiummg·kg−12,246.33478.671,783.002739860.90241.38676.11134

Potassiummg·kg−12,660.00265.882,417.0029441,977.00595.0413862576

Phosphorousmg·kg−116,305.003,127.6113,541.001970024,668.503,043.792168427653

Sulfurmg·kg−19,332.001,778.697,780.001127312,367.002,952.141097713757