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Environmental Science and Engineering

GATE ES concept:activated-carbon PYQs

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GATE ES syllabus

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Question 56

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ESNAT2 marksNeeds review
A flask (100 ml volume) has wastewater, which has 0.12 mg/L geosmin. Activated carbon is added in this flask for absorbing geosmin as per the Freundlich isotherm model (

where Q is mg adsorbate/mg adsorbent and C is the equilibrium concentration in mg/L). Activated carbon to be added in this flask for getting final remaining geosmin concentration of 0.05 mg/L would be ________________ (in mg/L, rounded off to three decimal places).

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