This program allows to achieve a great removal of uranium from contaminated water and can be applied to nuclear power plants, as well as nuclear weapons depots and any other possibly occurring cases of contamination by uranium.
The method has been scientifically proven by the Babha Atomic Research Center in Mumbai (Marahashtra, India). In this area, the huge availability of human black hair has given an idea to researchers.
Due to the very specific properties of this highly particular biomass, it has been decided to test it for removing radionuclides, and uranium showed a great responsivity to this treatment.
So, the aim of Clean-Guard is to bring it available to both professionals and communities, in order to give benefits on the widest possible scale.
For what concerns the actual application of this method, the only needed things are the appropriate amount of human black hair (HBH) and an alkaline solution (AKS) to pretreat this special biomass.
The specific amount of human black hair needed will be calculated depending on the starting conditions, the area to be covered and several other parameters to be kept into consideration.
Another requested too is a decontamination chamber (DC), can be created on-site, to store the polluted water during the process.
Finally, it’s important to make available a solution to lower the water pH level around 4.5. In fact, this has been proven as the best value for the process to achieve the maximum result.
First of all, Clean-Guard needs to know the area to be treated, and especially if uranium alone or several other radioactive compounds are present on it. This is very important to guide the remediation. In case of additional contamination by cesium (for example) more extensive approaches will be suggested.
The strategy will be based on the following steps:
Assessment of the starting conditions (amount of the uranium in water)
Decision on how much HBH will be needed (and the same is valid for the AKS to pre-treat the biomass)
Creation of DC (one or more depending on the specific needs)
Collection of the polluted water (different methods, depending on the involved facility)
Storage of polluted water into the DC for the appropriate time (generally 2 hours)
Process control and monitoring (pH value has to be around 4.5 for the whole treatment)
Removal of the water from the DC
According to this strategy, it is expected to remove a significant amount of uranium from the previously contaminated water.
At the end of the treatment, it is however necessary to samaple the resulting water in order to assess the effectiveness of the finally obtained result.
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