'FILLING ELEMENT FOR RESIDUAL WATER BIOLOGICAL CLEANING FACILITIES THROUGH FIXED BIOMASS PROCESSES, EXCHANGE TOWERS AND GAS CLEANING TOWERS'.

摘要

Filling element for biological wastewater treatment plants through fixed biomass processes, gas exchange and purification towers; characterized in that it comprises a tubular body (1) internally having radial walls (2) corrugated or curved in the radial direction, the tubular body (1) having on its outer surface an end perimeter flange (5) and outer fins (3). 4), arranged radially and peripherally distributed. (Machine-translation by Google Translate, not legally binding)