WASTEWATER TECHNOLOGY

CRYSTALLIZATION

When wastewater is difficult to manage

CRYSTALLIZATION 

Solubility curve

Crystalization unit by evaporation

 

 Crystalization unit by cooling

 

 
APPLICATION
Zero Liquid Discharge
O.S.
Water recovery
Wastewater treatment

 

Crystallization allows separation of the solute from the solvent, generally water, by precipitation in a crystal form. It occurs by changing the conditions of solubility by varying concentration (Red line) or temperature (Blue line).

The crystallization by concentration generally removes water by evaporation (Red line).

The crystallization by cooling causes the crystallization modifying the temperature of the solution (Blue line). It is cheaper but not always applicable, as it is related to the solubility curve.

The crystallization is widely used in the treatment of industrial waste, such as: 

  • Purification solution
  • Treatment of high salinity wastewater

One of the most important application of the crystallization process is obtained when the recovery of the solute (crystal) and reuse of the condensate (water) are achieved.

Crystallization is also applied as a way of reducing operating costs in the treatment of "difficult" wastewater, due to the recovery of the water and disposal of the concentrate/crystallized.

Crystallization is a process that requires energy that can be "recovered" by waste energy or directly supplied; Ecoteam studies every application optimizing both the production process and the energy consumption.
Ecoteam has developed its own range of crystallizer unit using the best technologies such as Heat Pump (HP) or the recovery of energy flows (HW) which, whether correctly applied, may solve many problems of industrial wastewater treatment.

 

SPECIFIC APPLICATIONS


Crystallizer by concentration

ECOCR                            

Crystallizer by cooling
ECOFR                                      

 


 
RELATED TOPICS
Purification
Demineralization
Evaporation
Crystallization
Sludge treatment
Sludge drying
Control and process optimization

 



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NEWS

2021 News N3

2021: New order in the aeronautical sector

N5-2020

2020-Oct: Scraped type heat pump evaporator model ECOCR1500 destination France

N4-2020

2020-August: Scraped type heat pump evaporator model ECOCR1500 destination Switzerland

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N2-2020

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New order for 2 vacuum evaporators with mechanical vapor recompression
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