CleanTechnica
Summary
There are several ways in which rejected energy can be used to generate electricity or other forms of energy. One common method is through the use of waste heat recovery systems, which capture the heat that is normally wasted during industrial processes and use it to generate electricity. Another method is through the use of combined heat and power (CHP) systems, which generate electricity and useful heat simultaneously by capturing the heat that is normally wasted in power plants. Thermoelectric generators are also used to convert rejected heat into electricity. These generators use temperature differences to generate electricity and are often used in vehicles and portable devices.
District heating systems are a type of energy infrastructure that can take advantage of rejected energy in order to provide heating and hot water to buildings in a specific area, such as a neighborhood or a district. These systems typically use a central heating plant to generate heat, which is then distributed to buildings through a network of underground pipes. The heat can be generated from a variety of sources, including rejected energy. For example, a district heating system may use waste heat from a power plant, industrial processes, or other sources to generate heat for the district.
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