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A waste mixture contains a variety of volatile organic compounds, nonvolatile organics, metals, and sandy soil. In a vitrification treatment,
a. Which of these materials are likely to be retained in the resulting solid? (Why/how?)
b. What happens to the other materials? Specifically, by what mechanisms can they be lost from the resulting solid?
The phone lines to an airline reservation system are occupied 40% of the time. assume that the events that the lines are occupied on successive calls are independent. assume that 20 calls are placed to the airline.
A rectangular channel is 25ft wide and has a flow of 500 cfs at a velocity of 5ft/s. (a) Determine the specifc energy of water in the channel. (b) What is the criticl depth of water in the channel (c) What is the critical velocity
Plot the concentration of tracer at the outlet of the each of the two reactors during the first 24 hours of the tracer study. (Hint: You may need to use mass balances to obtain equations that predict the concentration of tracer as a function of time)
You are a farmer. You plan to supply to your fields using water from a lake that is 500 ft above your fields using a 3 inch smooth plastic pipe, 1500 ft long. How much flow rate will you get? Initial guess: f=0.03, no pump.
what is the significance of the (a) compressive strength of concrete, (b) splitting tensile strength, and (c) flexural strength of concrete
An insulated system contains two solid blocks in contact with each other; one hot and the other cold. After heat transfer over some time, thermal equilibrium is established in the container.
Provide a reasonable design for a 99.4% efficient ESP treating 30,000 m^3/min of gas. The dust has a resistivity of 7.1 (10)^10 ohm-cm. Specify the total plate area, channel width, number and size of plates
A chemical is added at the beginning of a water treatment plant at a dose of 750 lb/day. The water treatment plant provides water to a community of 200,000 people and the average water consumption in the city is 110 gallons per capita per day (gpc..
We would continue embankment work even if winter season and my question is what is swelling amount of compacted soil for 30cm thickness and 95% compaction degree by freezing.
A well-mixed sewage lagoon (a shallow pond) is receiving 430 m^3/d of sewage out of a sewer pipe. The lagoon has a surface area of 10 ha (hectares) and a depth of 1 m. The pollutant concentration in the raw sewage discharging into the lagoon is 18..
The company would like to distribute the songs between the two CDs such that the used space on each CD is about the same. Formulate the problem as an IP, and find the optimal solution.
An earthen channel will be excavated into sandy soil for which Vmax = 4.0 ft/sec, n = 0.022, and the recommended m = 3. The channel will have a bottom slope of 0.0011 and accommodate a design flow of 303 cfs. Design (size) the channel section.
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