Portfolio Water&Wastewater

28 Water & Wastewater

8. Biological wastewater treatment Optimize your energy consumption and ensure compliant treatment results

A NO 3 C1 - Denitrification / nitrification with secondary clarifier From primary clarifier / trickling filter 1 2 3 4 A SS A NH 4 A PO 4

5

Sample preparation

A O 2

M

Aeration basin

Secondary clarifier

Air pipe

6

F

Blower

2

A SS

To sludge treatment

Return activated sludge (RAS)

1 – Viomax CAS51D Memosens sensor for optical measurement of nitrate, SAC, COD eq , TOC eq , BOD eq , or DOC eq

• Easy-to-install and low-maintenance UV photometer • Can be installed in aeration basins and in open channels • Chemical-free handling is safe and environmentally-friendly • Extremely fast response time allows set up of control loops • Self-cleaning design minimizes maintenance

www.endress.com/CAS51D

2 – Turbimax CUS51D Memosens sensor for measurement of suspended solids • Can be installed in aeration basins and in pipes • Sensor fits all measuring ranges thanks to numerous integrated analytical models • Factory calibration of sensor allows fast commissioning • Self-cleaning design minimizes maintenance

www.endress.com/CUS51D