Alaqua
Alaqua - Forced Circulation Crystallizer
FromAlaqua
Forced circulation crystallizers can be either single or multiple effects and the vapor recompression concept (either thermal or mechanical) is often applied. Usually, they operate from low vacuum to atmosphere pressure. In general, these units are used when crystal size is not of the utmost importance or if crystal grows at a fair rate. Almost any material of construction can be considered for the fabrication of these crystallizers, depending on the application.
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Typical products are:
- NaCl
- KNO3
- Na2, SO4, K2 SO4
- NH4Cl
- Na2CO3H2O
When the problem of scaling impedes the process of concentration, a design similar to the one described above is proposed. This applies for CaSO4 saturated solutions, like fertilizer grade phosphoric acid, demineralization effluents, vinasses.
