Improvement of Black-Odor Water by Pichia Strain GW1 under Optimized NH₃-N Degradation Conditions

Table 2

Factor and level table.

Level	A	B	C	D
	Concentration (%)	Aeration (L/min)	pH	Temperature (°C)
1	0.1	0.5	6.5	30
2	0.2	1.0	7.0	35
3	0.3	1.5	7.5	40