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New article Map of installations Laqua Wash LWIS LWIS Older news [Read More] |
LWIS-ULWIS-U is a further development of the proven willow irrigation system LWIS. LWIS is constructed to spread pretreated waste water in an area where people are usually not residing. To spread in work areas, plant school etc, a barrier is needed to prevent contamination.
What separates LWIS from LWIS-U is that the dispersion system is buried below the surface. The same basic principle (controlled flow) is used for calculating the area needed to spread, but adjusted according to the plant type and nutritional requirement. In principle this can be compared to a normal infiltration facility but with the
important distinction that the nutrients in the waste water are available to the roots
of the vegetation.
A computer controls and supervises the system. The dispersion is done completely under ground and increases the hygiene in the
irrigation system and thereby decreases the risk of contamination of unsanitary diseases.
__AVDÖDNINGEN_ is high because the contact surface to the ground is maximized. |