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We represent small scientifically innovative firm
RDi 2002 Bt ( renamed
Szelena2) in Hungary .
We dealt with a problem of water purification and removal of arsenic from natural and sewage in republic Hungary. Features of a mineralogical structure of an earth's crust, in area of an arrangement of Republic Hungary, cause the raised concentration of arsenic and iron in natural waters. In the field of water treatment we have begun (2004) the activity with a problem of removal of iron and disinfection of natural waters. We represented the achievements at the international exhibitions (GENIUS, EUREKA exhibitions, one Grand prix, 3 silver, 2 bronze medals). In the further we were engaged in problems of removal of arsenic from natural waters and reception dioxide chlorine from chloride of sodium. 30-years operational experience in the field of membranes, electrochemistry and membranous technology, highly skilled collective, intellectual property
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