Clewer 800 s

Efficient Process

The patented waste water treatment system of Clewer Ltd. is a new kind of bio process where waste water is treated, sludge and chemical residue is collected, and the treated water is removed from the system. Clewer’s biological treatment process is based on carrier technology, where micro-organism growth operate on the surface of the carrier. The blending of Clewer special bacteria and nutrient technology for bacteria forms a highly efficient waste water treatment system.

Centrifugal Force and Special Bacteria

The Clewer process makes use of centrifugal force in its technological solution. Due to rotary motion the process purifies itself, and forces the sludge to remain in the septic tank. The clean water is removed from the system and can, for example, be directed along a pipe into a ditch.

The waste water goes through four partitions of a bio-filter during the treatment process. Each partition holds its own special bacteria, that treat specific impurities such as phosphorus, nitrogen and organic matter. Bacteria are attached to the carrier. In this way the bacteria remains abundant and they are not flushed along with the sewage with sudden changes in load – that’s how the bio-treatment plant remains operating in all conditions.

Special bacteria are microbes isolated from nature. They are able to treat a very wide range of different cleaning chemicals.

The end result of this process is that solids are packed into the septic tank. Solids can be collected in the septic tank without weakening the efficiency of the treatment process. A septic tank (5m3 / 1320 US gallons) needs to be emptied after approximately 300m³ (80000 US gallons) of waste water flow through the system.
Energy consumption is minimal with the Clewer treatment process based on centrifugal force, as the process does not need a high water spout. In shallow liquid the counter pressure of the fluid is low and the output of the air fan can be kept low.

Number of E. coli colonies grown on m FC Agar (EN ISO 9308-1):
Left: from 0.1 ml of influent waste water
Right: from 0.1 ml of effluent water.
Reduction of bacteria in waste water after treatment
in Clewer 800 S was 933 times.
Sample was taken from incoming and outgoing wastewater of Clewer 800 S with 1500 l/day flow.

Comparison results for SHU

Recovery of Microbial Activity in a Biofilm Wastewater Treatment Process