PROTE - with care for environment ...
 

PROTE-fos method

The leading reclamation method offered by our company is an innovative PROTE-fos method which involves inactivating phosphorus directly in bottom sediments with the use of chemical substances (coagulant), which results in a decrease in the quantity ofphosphorus in water available for blue-green algae or phytoplankton whichcause blooms.
PROTE-fos technology is a modified Riplox [Ripl, 1976] method. The two methods are similar as in both cases air and coagulum are simultaneously applied to bottom sediments of a water reservoir. Our innovative modification of the method consists in triggering an intensive but controlled resuspension of sediments and applying coagulum directly to bottom sediments. The author of the method is professor Ryszard Wiśniewski from the Department of Applied Hydrobiology at Nicolaus Copernicus University in Toruń, who is also a scientific supervisor of our water reservoirs reclamation projects.


Ryszard Wiśniewski, Ph. D.
Nicolaus Copernicus University Professor

A very important thing in our PROTE-fos method is triggering an artificial resuspension of bottom sediments. It enables the applied chemical substance to penetrate the outer layer of sediments. It is important to know that this layer,as the most active one in the process of internal loading, takes part in the circulation of biogenes, including phosphorus, between sediments and water.
Applying chemical substances directly to bottom sediments does not only bind phosphorus in bottom sediments, but it also improves their condition. The sediments can restore or improve their ability to store phosphorus, and as a consequence help to reduce phosphorus concentration in water, and control its concentration over a longer period of time.
Our method influences the dynamics of phosphorus circulation in a water reservoir. Inactivation of phosphorus directly in bottom sediments is possible thanks to PROTEUS – a unique two-module vessel designed by our company.
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