Removal Efficiency of Cr⁶⁺ by Indigenous Pichia sp. Isolated from Textile Factory Effluent

Table 1

The effect of factors on Cr⁶⁺ removal, including pH, temperature, agitation, and initial Cr⁶⁺ concentration.

Parameters	Time for complete Cr^6+ removal (h)
	Strains
Initial Cr^6+ concentration (μg mL^−1)	P. jadinii M9	P. anomala M10
26	12	8
52	48	24
78	48	48
104	96	72
Temperature (°C)
10	+120	72
20	48	24
25	48	24
30	24	8
Agitation (rev min^−1)
0	48	72
150	48	24
250	48	24
pH
3	+120	8
5	48	24
7	12	12
9	+120	48

Reference +120: complete Cr⁶⁺ removal was not achieved after 120 h culture.