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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.
A recovery of 95% of particles greater than 100 μm is required. The minimum operating temperature will be 10 °C and the maximum 30 °C. Design a hydro cyclone system to handle 1200 liters/min of this slurry.
using the concept of a mass balance describe how environmental engineers and scientists model the carbon cycle in the
Analysis of these publications outline the chiral ligands used and draw a catalytic cycle for one initermolecular and one intramolecular reaction - the asymmetric Heck reaction
1. How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters. Pressure = 3 bar absolute. Temperature = 50 Celcius? The ideal gas law constant R = 0.00008314 cubic meters.bar/K/gmol. A..
Using the steam tables estimate cp in (kj/kg k) , for super heated steam and 0.1 Mpas and 700deg c
An electron falls from the conduction band of silicon (Si) to the valence band. The band gap of Si is 1.1 eV. What is the wavelength of the photon emitted by this process? Give your answer in nm
(a) The safest conditions are achieved by the lowest temperature and pressure in the flash vessel. (b) Vapor flow to downstream equipment can cause a hazardous situation.
CHE 352 – Spring 2014, In this assignment, students will review some of the concepts of measurements discussed, 4 methods of measuring temperature, 4 methods of measuring fluid pressure
Descriptions of: indoor concrete maintenance chemicals used on indoor concrete flooring - high solids floor finish chemicals used on indoor concrete flooring
in the direct steelmaking reactor based on the reduction of an oxidizing foaming slag by char carbon particles and
Use Laplace transformation to solve the initial value problem
Calculate the radius of an iridium atom. Calculate the radius of an iridium atom, given that Ir has an FCC crystal structure,
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