Otto Graf GmbH
Plastic Products
Tel. +49 7641 589-0
Fax +49 7641 589-50
Carl-Zeiss-Straße 2-6
DE-79331 Teningen, Germany

Mechanical or partially biological wastewater cleaning: septic tanks

Mechanical septic tanks retain floating solids and solids that will settle in domestic wastewater. This is a purely mechanical form of treatment. Partially biological septic tanks have three chambers, offering not just mechanical cleaning but, due to the longer throughflow time, partially biological cleaning too.

Septic tank two chambers/one chamber

The septic tanks are a pure mechanical cleaning processes

Septic tanks with partial biological processes

Septic tank three chambers

Septic tanks with biological filter system


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