Solution crystallization is the formation of solid crystals from a supersaturated solution, also referred to as “mass crystallization” since it is commonly used to process bulk products.
This is a common solid-liquid separation process of a very selective nature. It enables the production of highly pure crystalline products in the desired granulometry while further giving the opportunity of recycling purified solvents, the most common of them being water.
Solution crystallization is well-suited for most applications and especially for large capacities. The use of different crystallizer types and energy efficient configurations among them allow to reach a desired particle size.
There are three basic types of crystallizers for Solution Crystallization – Forced Circulation (FC), Draft Tube Baffle (DTB) and Fluidized Bed (Oslo)- and they can be used alone or combined for:
The selection of the appropriate equipment for the process and the design of the crystallization operation is influenced by many product and process specific parameters.
Around the globe, Solution Crystallization plants process daily millions of tons of bulk products like sugar, salt and fertilizers. Depending on the type of crystallizer, the achievable particle size ranges from microns to millimeters.
GEA Solution Crystallization Plants can be found serving to diverse industrial processes that include but are not limited to:
Traditionally, an evaporator or crystallizer is heated by live steam, but waste heat can be used as energy source as well, as long as the amount of energy required for the thermal separation process is given.Learn more about your options
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