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INDUSTRIAL WASTEWATER Modern methods
Secondary settlement tank with scraper installation Image 4
Passavant Geiger GmbH:
Watertechnologies
worldwide
The Passavant-Geiger Group, part of Bilfinger
Berger Facility Services, is one of the
leading technology companies in the water
and wastewater sector with nine locations
worldwide. Through its proprietary products,
Passavant-Geiger is able to cover almost
all process steps relating to water and
wastewater treatment.
The company‘s product portfolio comprises
not only resource-friendly vacuum sanitation
and cost-efficient vacuum sewer systems
technology, but also an extensive range
of sieves and screens, surface and diffused
air aeration systems as well as sludge dewatering
and drying systems, and even includes
software for the optimisation of wastewater
treatment plants. The product range is supported
by a comprehensive service network
for the maintenance and repair of municipal
and industrial wastewater treatment plants.
Under the brand names PASSAVANT ® ,
GEIGER ® and NOGGERATH ® , Passavant-
Geiger GmbH develops and manufactures
machinery and equipment for the treatment
of water, wastewater and sludge at its locations
in Aarbergen, Karlsruhe and Ahnsen.
The portfolio is complemented by an integrated
24-hour service.
Passavant-Intech GmbH in Rimpar specialises
in increasing the efficiency of wastewa-
ter treatment plants and is your competent
partner in all matters regarding process
optimisation.
Roediger Vacuum GmbH in Hanau, also a
wholly owned subsidiary, supplies state-ofthe-art
systems for the collection and transport
of wastewater using negative pressure.
It specialises in vacuum technology for
sanitation and sewerage systems. Maintenance
work and spare parts sales in the area
of landfill gas, digester gas and biogas are
also a part of Roediger Vacuum.
www.passavant-geiger.de
Visit us on the community-stand of
German Water Partnership at the
WASSER BERLIN International 2011
Hall 5.2a – Stand 110
Noggerath Revolving Chain Screen
ensures high reliability and long
service life at little maintenance
requirements.
90 mg/L, NH 4 -N < 5 mg/L, N total < 18 mg/L,
P total < 1.5 mg/L) and can be directly discharged.
Some of the treated wastewater can
optionally be re-used for irrigation of nearby
agricultural areas.
Acknowledgement
The students and colleagues of the Chair of
Environmental Process Engineering would
like to thank OEWA and Spreewaldhof for
an exciting and instructive study trip.
Special thanks are given to Mr Holsten
(Spreewaldhof) for the introductory words
concerning the history of Spreewaldhof as
well as Dipl.-Ing. Tino Schmidt and Dipl.-
Ing. Dirk Loose (OEWA), who not only
explained the wastewater treatment plant
and its characteristics in detail, but also
were patiently answered our questions.
CONTACT
Dipl.-Ing. Gesine GÖTZ
Technische Universität Berlin
Chair of Environmental Process Engineering
www.uvt.tu-berlin.de
Gesine.Goetz@TU-Berlin.de
The Ecoflex ® Aeration Panel guarantees
highest energy efficiency.
With regard to the development and
production of shut-off devices,
Passavant-Geiger looks back to
more than 125 years experience.
28 INTERNATIONAL
2011