concentration is 500 mg/L. (C =12. H = 1,0 = 16) CtHi + >> COt - - PDF document

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Jul 19, 2023 266 likes •486 views

FE Review-Environmental You are designing an aerobic system to biodegrade benzene (C,H t ,). The biodegradation follows the chemical reaction below (note that you must balance this equation). Hie benzene concentration is 500 mg/L. (C =12. H = 1,0 =

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You are designing an aerobic system to biodegrade benzene (C,Ht,). The biodegradation follows the chemical reaction below (note that you must balance this equation). Hie benzene concentration is 500 mg/L. (C =12. H = 1,0 = 16)

CtHi + £>>• COt + H;0 The amount of oxygen (mg/L) that wli will be consumed to completely biodegrade the benzene is

most nearly: (A) 200

(8)

500 (C) 800 (D) 1,600 FE Review-Environmental 1

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C6H6+O2 -> CO2+H2O

Balance Equation for Aerobic System

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4. A reservoir is 80 ft deep and covers 40 acres. The

volume of the reservoir is 500 million gallons, and the pipeline has a capacity of 9 ft3/sec. Most nearly, what is

the detention time?

(A) 1.2 days (B) 11 days (C) 86 days (D) 640 days

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