Property/element

Sewage Sludge

Dry matter (wt%)

17.9

Carbon (wt%^d)

28.1

Hydrogen (wt%^d)

4.2

Oxygen (wt%^d)

17.9

Nitrogen (wt%^d)

3.8

P (wt%^d)

1.2

Sulfur (wt%^d)

0.8

Calcium (wt%^d)

3.5

Magnesium (wt%^d)

5.1