Best practise wastewater treatment plant Aachen-Soers

© 2021 Aerzener Maschinenfabrik GmbH

Best practise wastewater treatment plant Aachen-Soers

Markus Leidinger, Nadine Klees


Markus Leidinger

Aerzener Maschinenfabrik GmbH

Application Management

Wastewater Treatment Plants

Europe, Middle East and Africa

[email protected]


General Information

Founding year: 1864

Employees

(head office): approx. 1100

Subsidiaries: 52

Employees

(subsidiaries): approx. 1000

Turnover: 350 Mio. €

Number of units: 20.000/year


Development Department

Sales Department

Construction Department

General Information

Aerzen Headquarter


100 % Quality Control

All relevant spare parts on stock

Production of Screw Compressors,

Blowers and Turbos

More than 60 test benches

General Information

Aerzen Assembly hall


General Information

325 9

9

61

SOUTH AMERICA

Argentina

Brazil

Chile

Columbia

Peru

Venezuela

NORTH AMERICA

Canada

Mexico

USA

EUROPE

Belgium

Bulgaria

Danmark

Finland

France

Germany

Greece

Great Britain

Italy

Croatia

Lithuania

Netherlands

Norway

Austria

Poland

Portugal

Romania

Russia

Sweden

Switzerland

Slovakian

Spain

Czech R.

Russia

Hungary

Cyprus

AFRICA/ NEAR EAST

Egypt

Iran

Israel

Syria

Nigeria

Rep. of South Africa

Saudi Arabia

Turkey

United Arab Emirates

ASIA

China

India

Japan

Korea

Pakistan

Philipines

Singapore

Taiwan

Thailand

AUSTRALIA

Australia

Aerzen subsidiary Egypt in Cairo

with Sales department,

maintenance, service, spare

parts and commissioning

52 subsidiaries worldwide


Wie alles begann…

Success story WWTP Aachen Soers, Germany

© 2021 Aerzener Maschinenfabrik GmbH8

Project overview

▪ Municipal wastewater treatment plant

▪ 460,000 population equivalents (incl. industrial

waste water)

▪ 10 x HV Turbos with vane control (355 kW)

▪ High maintenance cost for Turbos

▪ Replacement with 17 Delta Hybrid (10 x D 52 S, 7 x D 36 S)

Mode of operation:

▪ 2 aeration basins with 7 streets/basin

▪ Water depth: 6 m

▪ Oxygenation: approx. 5000 h/year

▪ Pressure difference of blowers: 630 mbar

WWTP Aachen-Soers


WWTP Aachen-Soers

Aerial view

4 Power- and control cabinets for one Turbo Blower

11 Turbos with vane control

Old and too big maschines

High maintenance cost

and poor energy efficiency

44 power- and control

cabinets


WWTP Aachen-Soers

New intallation of 17 Aerzen Delta Hybrid

Benefits of customer:

• Best performance data via the complete flow range

• No absorption material and therefore no crustification

in the membran plate aeration system

• 100 % oilfree

• Outdoor installation under carport with semidetached power control cabinet

for each machine

• Reducing power- and control cabinet from 44 to 17

• Electrical heat system for power- and control cabinet is in included

• Installation direct at the aeration basin (less pressure loss in pipe system)

• Minimization of the pipe system reduces installation costs

• Webserver and Profibus connectivity

Cost reduction in CAPEX > 1 Mill. €


WWTP Aachen-Soers

Energy saving costs

Energy saving costs

of

770.000 €/year


2.746 t CO2/yearCorresponding with average emmission/year of

1150 cars

Reduction of CO2 emmision:

WWTP Aachen-Soers


References

System competence in over 100.000 Wastewater Treatment Plants worlwide

> 250 machines in Egypt


We only have one world

Let‘s make the world

better

with

less CO2 reduction,

best energy efficieny

and

high reliable

machines

Best practise wastewater treatment plant Aachen-Soers

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