BIOLOGICAL TREATMENT OF WATER AND WASTEWATER

'biolog':1 'treatment':2 'wastewat':6 'water':4

WASTEWATER TREATMENT SYSTEMS IN THE NATURE OF BIOFILM CARRIERS COMPRISED OF HIGH-DENSITY POLYETHYLENE CYLINDERS THAT CIRCULATE FREELY IN ACTIVATED SLUDGE FOR BOD REDUCTION, NITRIFICATION, DENTRIFICATION, OR TOTAL NITROGEN REMOVAL, USED IN A WASTEWATER TREATMENT SYSTEM

'activ':21 'biofilm':8 'bod':24 'carrier':9 'circul':18 'compris':10 'cylind':16 'densiti':14 'dentrif':27 'freeli':19 'high':13 'high-dens':12 'natur':6 'nitrif':26 'nitrogen':30 'polyethylen':15 'reduct':25 'remov':31 'sludg':22 'system':3,37 'total':29 'treatment':2,36 'use':32 'wastewat':1,35

WASTEWATER TREATMENT SYSTEMS, NAMELY, PLASTIC WATER PURIFICATION UNITS PROVIDING HIGH SURFACE AREA TO VOLUME RATIO FOR THE PURPOSE OF HIGH-DENSITY BIOFILM GROWTH, OPERATING IN WASTEWATER TREATMENT TANKS

'area':12 'biofilm':23 'densiti':22 'growth':24 'high':10,21 'high-dens':20 'name':4 'oper':25 'plastic':5 'provid':9 'purif':7 'purpos':18 'ratio':15 'surfac':11 'system':3 'tank':29 'treatment':2,28 'unit':8 'volum':14 'wastewat':1,27 'water':6

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