Characteristics of Pyrolysis and Copyrolysis Products Sewage Sludge in Different Temperature Ranges

Table 2

Results of orthogonal pyrolysis experiment (L934).

Test number	1	2	3	Experimental result (oil yield %)
	A	B	C
1	1 (100)	1 (6)	1 (5)	39.3
2	1	2 (10)	2 (10)	43.7
3	1	3 (14)	3 (20)	42.6
4	2 (250)	1	2	45.8
5	2	2	3	43.9
6	2	3	1	43.2
7	3 (400)	1	3	42.1
8	3	2	1	39.9
9	3	3	2	41.4
1 (mean)	41.867	42.400	41.533
2 (mean)	44.300	43.633	43.000
Mean value	41.133	43.167	42.767
Extreme difference	3.167	2.833	1.467