Cogeneration technologies include steam turbines (supplied by boilers or waste-heat recovery), conventional or combined-cycle combustion turbines, or internal combustion engines. In chemical plants, cogeneration is more often accomplished using a combination of two or more of these technologies. The chart below illustrates the number of establishments using a particular type of cogeneration technology. Steam turbines supplied by either conventional or fluidized bed boilers were reported as most frequently used in chemical plants.

Cogeneration Technology Used in Chemical Plants – 1998
(Number of Establishments)

Source: MECS 1998



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