The CLEARBOX® offers a new set of solutions for decentralized wastewater treatment. The CLEARBOX® Flex-Series is supplied in the format of an ISO container, and it can be operated in many different ways to fullfill different goals. Moreover, the flexible design offers the possibility of adaptation to the on-site treatment target in just a few steps.
This patented on-site wastewater treamtent system achieves superior performance with low energy requirements. The system is characterized by high operational safety and reliability as well as low maintenance frequency and operating costs.
CLEARBOX® is based on a Sequencing Batch Reactor (SBR) process; it consists of six phases, where existence and duration of reaction phases is very much dependet on wastewater characteristics and target of treatment (i.e. organic reduction, nitrification, nitrification-denitrification, or biological nutrients removal (BNR)).
The wastewater first flows into a screening chamber where filterable substances are screened out. This is an essential step to avoid clogging of the pumps and the biocarrier textile media. Then, depending on pollution load, the reaction phase can start immediately in the flexible zone (e.g. for biological pretreatment of organic rich wastewater) and/or in the SBR zone.
The reaction phases consist of an anaerobic mixing phase, followed by aerobic and/or anoxic phases to achieve phosphorous elimination, nitrification, and nitrification-denitrification, respectively. The final steps are settling and decanting phases where biomass separation and discharge of the treated wastewater takes place, consecutively.
One of the main advantages of CLEARBOX® is incorporating CLEARTEC® and a multi-purpose tank, which improve sludge settleabiliy (a patented solution) and facilitates generation of granular and granular-like biomass (a patent pending process), respectively.
This third fraction of sludge has excellent settling properties (typically stated as SVI) and higher nitrification rate compared to the conventional biomass. The low SVI value from the sludge of CLEARBOX®, allows for a higher exchange volume, while reducing the required settling and reaction time.
The basic principle behind the design of the CLEARBOX® is to keep it as simple as possible while maintaining a high degree of flexibility and mobility for the end user to be able to cope with new requirements.
Multi-purpose Tank
of Flexible Zone
Arnold Jäger Holding GmbH
Lohweg 1
30559 Hannover (Germany)
Tel. +49 511 – 53580
Fax +49 511 – 553394
Management board:
Dipl.-Kfm. Marius-Quintus Jäger,
Dr.-Ing. Andreas Jäger,
Dipl.-Ing. Sebastian Jäger
Registercourt Hannover HRB 59983
DE 813 341 233
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