Table 4 Verification results under optimum condition.

From: Bacterial acidic agents-assisted multi-elemental (Ni, Co, and Li) leaching of used lithium-ion batteries at high pulp densities

Responses

Prediction

Confirmation test

99% CI low

99% CI high

Sulfate concentration (g/l)

40.3

39.1

38.15

42.53

ΔpH

1.87

2.19

1.42

2.32

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