SUB SNAKE MEMBRANE FILTRATION
The sub snake membrane filtration system from Colloide is the most innovative and technically advanced product within its field. In terms of performance and efficiency, it is the clear leader.
MBR technology has made a huge impact on wastewater treatment, combining activated sludge treatment with very fine filtration.
The membranes are installed within the aeration tank, immersed within the activated sludge. The membrane then filters the activated sludge, leaving the solids within the aeration tank and producing an ultra clear water.
Submerged membrane filtration is used for membrane bioreactors and other filtration applications. Submerged membrane filtration systems have many advantages over conventional treatment.
These include:
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 - Much higher quality of treated effluent
- Smaller footprint than conventional treatment
- Single stage treatment requiring minimal operator input
- Reduction in sludge volumes
- Reuse of treated effluent very possible
- Upgrading of existing plants using this technology is a very economical option
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The sub snake system comprises a series of flat sheet semi-flexible membrane assemblies submerged within a process tank.
Clean water is filtered to the inside of the membrane assembly with the solids being retained on the outside.
Air is introduced below the membranes and acts to
a) keep the membrane surface clean by creating a flow across the membrane surface and
b) provide oxygen for the activated sludge.
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 The sub snake membrane modules have been designed with performance, reliability and whole life cost in mind.
Some of the key features of this product are:
- The aeration system achieves over twice the oxygen transfer efficiency of some of its competitors
- The membrane material is extremely tough, ensuring a long life
- There is a large gap between the membrane sheets which means the membranes are almost impossible to block
- Maintenance on the membrane assemblies is easy due to the design of the membranes and the framework
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These membrane systems can be provided for effluent treatment plants from single houses upwards.
Standard package designs are available for a range of flows.
Laboratory testing and on site pilot testing facilities can also be made available on request.
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