The model was established using eqn (13) : 13 Y = 94.50 + 7.88 X 1 + 5.63 X 2 + 4.88 X 3 + 2.62 X 1 X 2 + 3.55 X 1 X 3 + 2.60 X 2 X 3 − 8.03 X 1 2 + 0.23 X 2 2 − 59.79 X 3 2 As shown in Table S4, † from the analysis of the variance test, P < 0.0001, indicating that the regression model equation is extremely significant and established model meaningful.
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High-efficiency and energy-saving alternating pulse current electrocoagulation to remove polyvinyl alcohol in wastewater.
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