Name: Introduction to Environmental Engineering ENVE 331 Midterm Open Books and Notes Problem 1: The total volume of space inside your car is 520 L. A total of 24 mg of Carbon monoxide (CO) leaked inside the car while running idle. Determine the concentra
Natural and Engineered WETLANDS
Importance of natural wetlands and use of constructed wetlands:
1. Natural Wetlands
Important ecological resource Require protection
2. Constructed Wetlands
Wastewater Treatment Storm Water Treatment Inexpensive and Envir
StormWater ConstructionGeneralPermit
AnnePower,EnvironmentalScientist,CPESC
PresentationOutline
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Impacts of Storm Water Pollution Regulatory History/NPDES Overview Construction General Permit Requirements Municipal General Permit Requirements Sedim
E NVE 331, Winter 2009 Homework #2
Due on February 4th 2009
Mass Balance Problems: Problem 1: Alcohol containing 15% salt is fed at a rate of 10 kg/min in a mixer (CSTR) that initially holds 100 L of 5% salt in alcohol. The exit solution leaves the mixer
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Chapter 8 Solutions 8-3 Rate constant Given: BOD5 = 220.0; L = 320.0 mg/L. Solution: a. Set up Eqn 8-6 BODt = Lo(1 e-kt) 220.0 = 320.0 (1 - e-k(5) 0.6875 = 1 - e-k(5) -0.3125 = -e-k(5) b. Divide through by -1 and take the natural log of both sides ln
Solution to Chapter 5/6 Homeworks (numbering based on old Ed)
5-2 CDI for sulfur dioxide Given: NAAQS = 80 g/m3, lifetime (24 h/d, 365 d/y), average adult. Solution: a. Using the assumptions in Table 5-8 (80 g/m3)(20 m3/d)(365 d/y)(70 y) CDI = -(70 kg)(36
1
Chapter 2 Solutions
Ch 2.5,9,15, 22, 33, 36, 56, 57
2-5
Concentration of sodium bicarbonate Given: 45.000 g of sodium bicarbonate in 1.00 L of water. Solution: a. The resulting concentration of the solution is 45 g/L. Converting this to mg/L (45 g/L)(10
NAME _ ENVE 331 Field Trip to the San Luis Obispo Wastewater Treatment Facility: May 17, 2010 MEET AT THE SLO WWTP at 8:20 AM OR IN FRONT (EAST SIDE) OF BLDG 13 at 8:10 AM FOR VAN RIDE (IF YOU SIGNED UP). YOU MUST WEAR PANTS AND CLOSED-TOED SHOES Please f