Cee111-fa03-mt2-naza - (b When only occasional/episodic treatment is required PAC is favored over GAC(c Scrape dirty sand off the surface and

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CE 111 — Environmental Engineering Midterm Exam # 2 Answers (Fall 2003) 1. Dynamic Response of Reactor Systems (a) outlet t C C* 0 0 t*+V/Q V/Q (b) outlet t C C* exp(-kV/Q) 0 0 t*+V/Q V/Q (c) 0 0 t outlet C C*/(1+kV/Q) t* τ t*+ τ τ = 1+kV/Q V/Q 2. On Water Quality Engineering (a) Causes small particles to collide and adhere to one another, forming flocs. Flocs settle more rapidly than individual particles.
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Unformatted text preview: (b) When only occasional/episodic treatment is required, PAC is favored over GAC. (c) Scrape dirty sand off the surface and discard. (d) Membrane filtration and sorption. (e) Nonaqueous phase liquid. Liquid material such as oil that is immiscible in water. 3. Process Engineering for Water Treatment (a) 32 μm (b) 1.0 min...
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This note was uploaded on 12/01/2011 for the course CE 13972 taught by Professor Chow during the Spring '09 term at University of California, Berkeley.

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