Sometimes our community or ourselves, we have some problems that can be really different or important. Actually, these problems usually can be hard for some families and people: banks expropriating houses, people without job and money, precarious employments… so, many examples could be more or less shocking. Otherwise, if tomorrow a typhoon comes to Catalunya and it havocs everything, we have some organizations (Governement, UE, NGO…) that have sources for take care this disaster can be lower, although we live in a country where thanks to its geography is strange that it never happen. But, there are some places in the world where every year a typhoon comes, moreover they do not have good sources and they need help of the rest of the world. So, sometimes I think that I am lucky to born in my country because we cannot choose it; if we can, we should help the others as far as we can. For that reason, this research project is created to solve a problem focused in countries where they do not have purifier water (a direct issue) because it is really difficult get it in these situations.