Question: A company is having a problem on treating its process water containing pyrene. The process water generated by the company is 1.5 million liters daily

 A company is having a problem on treating its process water
containing pyrene. The process water generated by the company is 1.5 million

A company is having a problem on treating its process water containing pyrene. The process water generated by the company is 1.5 million liters daily and has been contaminated by 500 mg/L of pyrene. The process water needs to be treated before recycling back to the process stream. As a trainee engineer, your task is to solve this process water contaminated with pyrene using adsorption with activated carbon as the adsorbent. Following is lab-scale adsorption process using 300 mL of a solution with a pyrene concentration of 500 mg/L is placed in each of six containers with activated carbon and shaken for 24 hours. The samples are filtered, and the concentration of pyrene are measured, yielding the following analyses: 1 2 3 4 5 5 6 Container: Activated carbon (g): Pyrene (mg/L): 24 16 12 8 4 4 20 14.6 10.7 23 29 48 107 b) Using the estimated constants from above (a), estimate the daily activated carbon utilization to remove pyrene from 1.5 million L/day of process water with the target acceptable final pyrene concentration of 8 mg/L before recycling back to the process stream. Comment on which model fit best on pyrene removal from process water

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