More specifically, {TAIL ~ the invention} relates to direct contact heat exchange devices and methods which produce {HEAD ~ a cooled homogeneous fluid stream} from a mixture of hot fluids and cooler gases within a multi step reaction bed device and process 
More specifically , { TAIL ~ the invention } relates to direct contact heat exchange devices and methods which produce { HEAD ~ a cooled homogeneous fluid stream } from a mixture of hot fluids and cooler gases within a multi step reaction bed device and process
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