Biological oxidation as a method for mitigation of LFG emission 79
it is recommended to mix the compost produced from fine structure material, such as sew-
age sludge, with coarse material that have an impact on the formation of structures, such
as woodchips or bark. This treatment provides a suitable air porosity that should range
from 30 to 45% vol., and moisture content of 40–50% by weight (Huber-Humer et al. 2008).
Moreover, inert materials such as perlite, keramzite and glass beads or polystyrene pellets
may be used as the material that influences the formation of structures (Melse & Werf, 2005,
Abichou et al. 2006a, Powelson et al. 2006, De Visscher et al. 1999, Pawłowska et al. 2011).
They have a rigid structure, are not biodegrada