Function Questionnaire

Make sure that the right functions are in place at your treatment plant. Specifiy the task and let us help you achieve a smooth, cost effective and trouble free operation.

General information

Company Name Phone Mail

FUNCTIONS

Preliminary treatment Secondary treatment Sludge treatment

AERATION TANK GEOMETRY

Circular Outer Ø (m) Inner Ø (m) Inner water depth (m) Side water depth (m) Rectangular Length (m) Width (m) Water depth (m) Oxidation ditch Length mid wall (m) Width/lane (m) Water depth (m) Other

Common

Water depth Fixed Water depth Fixed max (m) Water depth Fixed min (m)

Fine and coarse bubble aeration only

# zones Aerated area (%) Site elevation (m) Full floor coverage (Yes/No) Specify

AERATION REQUIREMENTS

Mixing requirements: amount of suspended solids (mg/L) Reduction of BOD (%)

LOADINGS

Min Standard oxygen requirements (SOR) [kg O2/h] Avg Standard oxygen requirements (SOR) [kg O2/h] Max Standard oxygen requirements (SOR) [kg O2/h] Min Actual oxygen requirements (AOR) [kg O2/h] Avg Actual oxygen requirements (AOR) [kg O2/h] MaxActual oxygen requirements (AOR) [kg O2/h] Min Water flow [m3/h] Avg Water flow [m3/h] Max Water flow [m3/h] Min BOD5 [mg/L] Avg BOD5 [mg/L] Max BOD5 [mg/L] Min NH3-N [mg/L] Avg NH3-N [mg/L] Max NH3-N [mg/L] Min Air flow [Nm3/h] Avg Air flow [Nm3/h] Max Air flow [Nm3/h]