The process of evaporation consists of the elimination of a liquid from a solution, suspension or emulsion through thermal treatments.
So it is said that, the solution, suspension or emulsion is being concentrated, and to achieve such end an external source of heat has to be supplied. This source is generally achieved with water vapor, which gets in contact with the product through a heating surface.
It is a separation of components by a thermal effect, where two products of different physical and chemical compositions are obtained.
In most cases, the evaporated product, (volatile solvent, which is generally water) is a product without commercial value, while the concentrated liquid, (solute non-volatile) is the one that has economic importance. However, this can occur inversely.
An important fact to take into account is that products to be evaporated behave in different ways according to its physical and chemical characteristics, which can define a thermal-sensitivity behavior, produce precipitation, agglomeration or polymerization reactions, and an inappropriate treatment can produce partial or total deterioration of different chemical components present in the liquid and in this way, can be irreversibly modify.
For this reason, previous tests must be carried out and in that way be able to determine the appropriate equipment for each request.
Qualified Engineers of our Company carry out these tests due to the fact that our Firm counts with pilot and laboratory scale evaporators that allow determination of thermodynamic variables, thermal coefficients, boiling behavior, scaling degrees, limit concentrations and all the necessary parameters in order to assure the client an appropriate design and construction of its equipment.