Desander (SSPs) – equipment designed to mechanical clean and collect suspended solids (sand,
sludge and mud) from the incoming surface (rain) wastewater.
Principal – suspended substances, with higher density are deposited in a moving stream of
Scope – car parks, parking lots, gas stations, viaducts, industrial & built-up areas.
To increase the purification efficiency a sedimentation technique used. At first, thin-film
modules reduce the required parameters supplied to the flow rate, thus setting and stabilizing the
hydrodynamic characteristics. This provides a significant reduction in the of size of the plant
without reducing efficiency compared to conventional technologies which use gravitational
settling and filtering through the porous elements.
Thin-film modules are made of PVC profiles. Module design provides high mechanical strength
and allows efficient use of the internal volume settings, to place the necessary technological
Purification debris trap: disposal of sludge is carried through the machines maintenance shaft
The plant structures are made of a helically twisted steel pipe with a double polymer coating,
or of helically twisted plastic tube.
Desanders are made based on standard treatment parameters or with specifically designed
Desanders are delivered in full operational readiness and come equipped with hatches, anchor
straps, sealing gaskets and technical wells intended for access and service facilities.
For the selection of the equipment, it is necessary to fill in a questionnaire posted on the website.
At the entrance – 600 mg/l
at the output – 20 mg/l
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