Hertia (Roman) Cornelia Diana Rezumat Teza de Doctorat
Transcript of Hertia (Roman) Cornelia Diana Rezumat Teza de Doctorat
Trihalometanii (THMs) din apa potabila sunt compusi secundari ai clorinarii apei, care
rezulta din interactiunea materiei organice prezente in apa si clorul utilizat la dezinfectia acesteia.
Formarea THM depinde de mai multi factori, cum ar fi temperatura, pH-ul, timpul de reactie, etc.
Pentru exemplificare s-au ales studii de caz: sistemele de tratare cu apa din trei orase din
Transilvania, care au surse de apa diferite. S-au investigat pe baza de chestionar 629 de subiecti
din localitatile de studiu in scopul determinarii cantitatii de apa consumata zilnic, media
consumului de apa pe zi, tipul de apa consumat, diferentele de consum ale apei, in functie de sex,
varsta, educatie si localitatea de rezidenta. Concomitent cu acest chestionar s-au efectuat analize
ale probelor de apa prelevate in zonele de studiu. In final se incearca evaluarea expunerii
persoanelor la THM din apa potabila si riscurile asupra starii de sanatate a populatiei din cele trei
orase si experimentarea modelului in teren pentru determinarea THMs din urina unui grup
populational, in diferite conditii de expunere la THMs din apa potabila.
Trihalomethanes (THMs) from drinking-water, are chlorinated water by-products,
resulting from the interaction between organic matter and chlorine used to disinfect the water.
THM s formation depends on many factors, such as temperature, pH, reaction time, etc. We
choose three cities from Transilvania area to show the differences between three water treatment
plants, with different water sources. The research was based on a questionnaire in which we
investigate 629 subjects in three cities from the study area in order to determine the amount of
daily average water consumption, type of water consumed, water consumption differences
depending on gender, age, education and place of residence. Along with this questionnaire,
analyses were conducted in those three areas of study by taking water samples, which were
analyzed in the laboratory. Finally we try to assess human exposure to THMs from drinking
water, and to assess the risks to health for this population and experiment a field model for
determination of THMs in human urine, in different conditions of to THMs exposure in drinking
water.