Envirotec

De-silter gives easy access

SLD Pumps and Power has introduced “an innovative de-silting settlement tank technology” to its hire fleet.
The de-silter has been introduced to help reduce the risk of sediment pollution and of sludge deposits entering watercourses at pumping project locations. “This is a response to increasing environmental awareness and sensitivity by our clients even on the smallest of pumping projects”, said Neil Lewis of SLD. “The reliability and effectiveness of this product is so crucial that we tested its capabilities at Cardiff University Department of Engineering before introducing it to the marketplace”.
The SLD de-silter system treats liquid run-off contaminated with suspended particles without the use of chemical coagulants. Test results have shown that the SLD de-silter is very efficient at trapping sediments in all cases. The optimum sediment removal efficiency was found to be 98% at an inlet solids content of 30 g/l and a flow rate of 40 cubic metres per hour. This demonstrates that the system is effective and has practical application in industry, says SLD. In the tests the efficiency of the SLD de-silter was determined under real operating conditions with three inlet solid content ranging from 10 g/l to 30 g/l.
In project applications contaminated water is pumped through filters and a weir system. Sediment collects in the ‘easy-to-clean’ base of the tank. The equipment is delivered with drain-off valves for maintenance, for shut-down and to prevent freezing.

The SLD de-silter has an 18in access hatch at the bottom of the unit, so it doesn't need to be moved or tipped over to clean it. A stackable heavy-duty box frame surrounds the unit.

The SLD de-silter has an 18in access hatch at the bottom of the unit, so it doesn’t need to be moved or tipped over to clean it. A stackable heavy-duty box frame surrounds the unit.

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