EXPERIMENTAL RESEARCHES FOR THE DETERMINATION OF THE OXYGENATION CAPACITY AND TRANSFER EFFICIENCY INTO THE MEDIUM BUBBLE PNEUMATIC SYSTEMS

The main process to treat nitrogen and organic compounds in wastewater treatment plants is biological one. In this process aeration represents up to 70 % of the total energy expenditure of the plant. Optimizing aeration...

STUDY REGARDING THE POSSIBILITIES TO REUSE THE SLUDGE FROM THE URBAN WASTEWATER TREATMENT PLANTS<br />

The high rhythm of urbanization causes an increase of the wastewater quantities and some times an increase of the wastewater sludge resulted from the urban wastewater treatments plants. Consequently there, appear more di...

MEASUREMENT METHOD OF POWER NETWORK PERFORMANCES PARAMETERS

In this paper are presented some measurement instruments of power quality, implemented using a Motorola Digital Signal Processor. Using these types of instruments is mandatory because the interferences introduced by powe...

GREUTATEA ŞI PERCEPŢIA ASUPRA GREUTĂŢII LA UN EŞANTION DE OVO-LACTO-VEGETARIENI DIN MEDIU URBAN

INGINERIA ECOLOGICĂ. ECONOMIA DE ENERGIE ŞI ENERGII REGENERABILE