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1. The following graph shows the bioreactor supernatant and membrane permeate quality from a side-stream MBR treating dye wastewater. A membrane of 0.4 um pore

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1. The following graph shows the bioreactor supernatant and membrane permeate quality from a side-stream MBR treating dye wastewater. A membrane of 0.4 um pore size was used. The absorbance of the influent wastewater was 2.8. Assume that linear relation between absorbance and dye concentration prevailed in the range shown here. Estimate the contributions of biodegradation and membrane retention in total colour removal

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