Industry partner delivering innovative and sustainable chemical solutions

Industry partner delivering innovative and sustainable chemical solutions

Spray drying is an appropriate process to dry with high efficiency formulations. Solid particles can be obtained rapidly by spraying a solution at high temperature using a warm gas flow (air or inert). This process enables a fine control of the properties of the particles in term, for instance, of density, size or humidity. The pilot unit is composed of a two-fluid-nozzle leading efficiently and repeatedly particles ranging from 1 to 30 µm, depending on the size of the nozzle and the flow rate of the atomization gas. The drying can be performed at temperatures up to 200°C for a flow rate from 0.1 to 15mL/min. The solid is then immediately recovered using a cyclone; 3 sizes of cyclones being available.

The equipment allows on-line data collection (flow rates, temperature, and pressure) at different position of the system, enabling an efficient process scale-up.

The spray dryer can be connected to an inerting closed loop, leading to a significant decrease of the amount of oxygen in the flux. Solvent can then be used out of their explosion limit in a safe way.

This technology is used in many industries such as in agri-food, cosmetic, pharmaceutical or to process pigments or catalysts.

Certech has developed an innovative and efficient patented process for Sil’Innov company in order to synthesis solid particles.