2012 - Europe Direct Iasi
2012 - Europe Direct Iasi
2012 - Europe Direct Iasi
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EUROINVENT <strong>2012</strong><br />
1.2.<br />
Title A Pressurized Capsule for a Dissolved Air Flotation Unit<br />
Bogdan Dumitru NĂSĂRÎMBĂ, Gabriel PETRESCU, Ioana<br />
Authors<br />
Corina MOGA GRECESCU<br />
University POLITEHNICA of Bucharest<br />
Institution SC DFR SYSTEMS SRL<br />
University POLITEHNICA of Bucharest<br />
Patent no. Patent application No. 0074/2011<br />
The dissolved air flotation unit consists of two separate devices:<br />
pressurized capsule and lamellar settling.<br />
The pressurized capsule is a cylindrical chamber provided at the<br />
ends with 2 caps. Inside the capsule there are inserted water and air<br />
under pressure. Water circuit is located at the top of the capsule and<br />
water is introduced with the help of 4 sprinklers. In this way, water<br />
is introduced as fine droplets dispersed and not as jet. The air<br />
supply is located at the bottom of the capsule. To obtain a longer<br />
time contact between air bubbles introduced through the circular<br />
pipe and the water, we have found the solution to introduce moving<br />
plastic elements inside the capsule.<br />
Description The innovative aspects and the advantages of the dissolved air<br />
flotation unit are:<br />
- Process gives greater efficiency due to moving parts inside the<br />
capsule that "tease" trail of bubbles to the surface;<br />
- Through the use of sprinklers, water is sprayed in very fine<br />
droplets and is dispersed within the capsule, thus creating a<br />
large air-water contact surface;<br />
- Quick and easy installation even in existing clarifiers;<br />
1. The treatment method provides greater efficiency without<br />
using any bio-products or consumables that enhance the<br />
biological degradation processes - completely organic process;<br />
2. Modular construction.<br />
Image<br />
Class 1<br />
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