... example, Freon) to evaporate from liquid to gas, absorbing heat in the process.As stated above, an evaporator can be ... otherwise be wasted.Another example of evaporation is in the recovery of sodium hydroxide in kraft pulping. Cutting down waste ... & fittings, Wires & welding rods, Fasteners2. Titanium and ss steel Heat Exchanger and Tubes, Reactor, evaporator, Storage Tank and extractor, Chlorate ...