18, 19 en 20 March 2025 | Evenementenhal Gorinchem

Crescendo; to evaporate with low-grade energy

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Beschrijving

Crescendo can be applied for evaporation (thickening of liquids), scrubbing of (hot) gasses, stripping, cooling and a range of related purposes. The working principle of Crescendo is that a liquid that flows down along an inclined plate generates by Venturi action a slightly negative pressure in the downward direction, protruding openings that are present on the upper surface of this plate. The negative pressure causes the gas to pass through the openings into the flow of liquid in a form of long stretched bubbles that stay in contact with the liquid long enough to become saturated with vapor and exchange other components or thermal energy. A low-pressure ventilator will transport the gas and enhance the gas/liquid contact.
This patented method provides a very intensive gas/liquid contact and offers an optimal exchange of components at minimal energy input. Even waste energy from heating, cooling and ventilating may be put to good use.
Crescendo has been successfully in operation for several years. When applied to thicken concentrated (waste) streams and to recover valuable resources, using low-grade residual energy saves energy and costs.

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