Nanofiltration process scheme

Nanofiltration process scheme

The nanofiltration is a similar proces to the ultra filtration, but endowed of more thin membranes capable to retain particles of 0.001 µm.

It is a tertiary system to obtain a treated water that can be used for industrial purposes in the same controlled disposal site, or that can be sent to the public sewer system, because it does not surpass the established dump parameter limits.

Its high filter capacity allows retaining the non biodegradation residues DQO.

To prevent the obturation of the membranes, that working in a basic environment tends to plug, a high-speed continue tangential filtration is maintained and control the pH by means of a controlled supply of sulphuric.

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