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A plant is proposing to install a combined heat and power system to supply electrical power and process steam. Power is currently taken from a utility company and steam is generated using on-site boilers. The capital cost of the CHP plant is estimated to be $23 million. Combined heat and power is expected to give net savings of $10 million per year. The plant is expected to operate for 10 years after the completion of construction.
Calculate the cumulative net present value of the project, at a discount rate of 12%, using MACRS depreciation with a seven-year recovery term. Also, calculate the discounted cash flow rate of return.
Construction will take two years, and the capital will be paid in two equal increments, at the end of the first and second years. The savings (income) can be taken as paid at the end of each year. Production will start on the completion of construction.
The batch fermentation of glucose to glutamic acid using Brevibacterium divaricate is described in detail in US patent 2,978,384. In Example I in the patent a 10.5 wt% glucose feed was fermented for 72 hours at 30 °C
Important information about Vapor pressure, At the top of Long's Peak in the Rocky Mountains (a) what is the vapor pressure if boiling a container of eggs (without a lid) occurs
Adipic acid is used in the manufacture of nylon 6,6. It is made by hydrogenation of phenol to a mixture of cyclohexane and cyclohexane (known as KA oil-ketone and alcohol), followed by oxidation with nitric acid.
gold has a face centered cubic crystal structure where there are four atoms per unit cell.below is a calculated xrd
Styrene is made by dehydrogenation of ethyl benzene, which is formed by alkylation of benzene with ethylene. Propose target yields for the alkylation and dehydrogenation steps if the forecasted prices per metric ton are styrene $800, ethylene $800..
How will the mole fractions of benzene and toluene in the liquid change with time (increase, decrease, or remain constant)? Explain your answer.
A preliminary (Class 4) estimate of the ISBL capital cost of building a 200,000 ton per year ethanol plant by corn dry milling has been stated as $130 MM -30%/+50%.
Write a function called int_col that has one input argument, a positive integer n that is greater than 1,and one output argument v that is a column vector of length n containing all the positive integers smaller than or equal to n, arranged in suc..
Circle all answers that are correct; there can be 0 to 5 correct answers. Which of the statements below is true?
1 when a thermocouple is moved from one medium to another medium at a different temperature the thermocouple must be
Choose an initial guess for reactor temperature and pressure within the range provided and simulate the process described - Determine a metric to quantify the reactor performance then use this parameter to optimize the reactor temperature and pressu..
An electronics plant uses an adsorption system to recover solvent from a vent gas stream and prevent volatile organic compound (VOC) emissions. The vent gas flow rate is 20 m3 /s of dry air at 293 K, 1.5 atm.
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