THE EVOLUTION OF THE sewage treatment process in ROMANIA
IN THE LAST 30 YEARS: Case study Râmnicu Vâlceal. botea
ABSTRACT. – The evolution of the sewage treatment process in Romania in the last 30 years: case study Râmnicu Vâlcea. Most studies made at national level in the domain of hydrology target the surface water topic, analyzing the hydrometric and hydrologic characteristics and the quality of the water for certain catchment areas. This paper aims instead the relatively new field of urban hydrology, more exactly the urban wastewater treatment process. The study is based on the observations made in the first half of the year 2010 at the wastewater treatment plant from Râmnicu Vâlcea and on the analysis of some relevant wastewater quality indicators before and after the treatment process for the period between 2005 and 2011. The study revealed the importance of the new treatment processes and technologies introduced in Romania after the year 2000 in the urban wastewater treatment process efficiency.
Keywords: sewage treatment plant, primary treatment, secondary treatment, tertiary treatment, efficiency.