The air to waterheat exchanger is a recovery energy module that use the energy of air coming from the RTO (before it is released into atmosphere) to heat the water, useful to be used for plant services, depending on the factory needs.
Some example of use of hot water is to provide heating or conditioning of ambients or simply as sanitary water.
Your pollutant is a resource
This solution allows to convert the heat from purification process into energy, at zero-cost. Reduction of energy consumption brings instant economics advantages and reduce environmental pressure too, as required by legislations.