By United States. Office of the Assistant Secretary for Nuclear Energy. Office of Support Programs
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Detailed inspection follows every 39 Nuclear Fuel: Reactor to Waste Disposal ~ I All operations involving radioactive materials-including nuclear powerplants, hospitals, research centers and industrial processescreate radioactive wastes that must be safely handled and disposed of. The radioactive wastes are created in several different forms, ranging from only slightly radioactive to intensely radioactive, and they are handled in different ways depending on their level of radioactivity, the amount of heat they generate, and other factors.
26 The PWR system is known as a double-loop because it involves two separate circuits of water-or loops-which never physically mix with each other. One is a primary loop; the other is called a secondary loop. The water that flows through the reactor, known as the “primary” loop, is pressurized to about 2250 psi. It heats to about 6OOOF (315OC)without boiling and leaves the reactor as a hot liquid. It is pumped through tubes in the steam generator. After transferring its heat in the steam generator to the secondary loop, the highly pressurized water in the primary loop is pumped back to the core to be reheated and continue with the process.
A communication center remains in touch with the transport vehicle and monitors its progress. 52 The Economics of Nuclear Power Do nuclear electric plants cost more than other types of powerplants, or do they save money for the electricity consumer? Surprisingly perhaps, the answer to both questions can be yes. Just as you may spend more money for a car that gets better gas mileage, so that it actually saves you money over the life of the car, utilities spend more money to construct nuclear electric plants because the fuel costs are so much lower than for plants that burn coal.
Atoms to electricity by United States. Office of the Assistant Secretary for Nuclear Energy. Office of Support Programs