Study on Reutilization of Pyrolytic Residues of Oily Sludge

Table 3

Ash and carbon purity of pyrolytic residues at different stages.

Sample	Ash, (%)	Carbon purity, (%)
Pyrolytic residues	47.43	52.57
Physical flotation product	40.97	59.03
Acid-soluble product	29.7	70.3
Pyrolytic carbon	4.07	95.93