With a capacity of 2500m³/hour, the new A2500 is CDE's largest and most advanced water management system to date.
It has been developed in response to calls from materials processors operating in high tonnage markets for water management solutions equipped to supply their operations with sufficient water supplies while ensuring optimal production efficiency, minimum loss of fines and maximum water recycling.
Darren Eastwood, Strategic Development Director at CDE, said: "It is increasingly important for materials processors to invest in an effective water management system that ensures a steady supply of clean water to their plants through cost-effective means.
"The continued advancement of our pioneering wet processing solutions and leading-edge water management systems is supporting operators working in the natural processing and waste recycling sectors worldwide to overcome the challenges of washing in water-pressured or water scarce areas today."
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Where CDE bridged the gap in 2018 with the launch of its A900 and A1500, providing a median alternative to its 600m³/hour and 1500m³/hour models, the new A2500 expands the range with a 2500m³/hour option to fit the requirements of sites processing high tonnages. The increased capacity also provides a lower rise rate, enabling operators to process challenging, harder to settle materials.
Designed for easy use and safe access for efficient maintenance, it boasts the first lattice bridge structure on any CDE thickener. An integrated monorail also provides unrivalled access to the motorised rake, gearbox and motor.
With a sludge capacity of 125 tonnes/hour, the A2500 includes an adjustable rake lifting mechanism. Featuring passive torque control, the automatic raise and start sequence is designed to protect rakes from surge pressure from dense sludges. The rake itself has also been reimagined, with optimally spaced and redesigned blades for improved sludge conditioning.
Powered by the motorised rake arm, the introduction of a new floating scum scraper, which is independent of the rake’s height, allows for the easy removal of unwanted foam, oil and light weight trash. And, creating even radial flow to all regions of the A2500, a redesigned volute feedwell optimises the incoming flow for improved flocculant performance.
Another key feature of the new A2500 is its feed height. Sitting at almost 6.7 metres (6690mm), it simplifies upstream plant design complexity as it eliminates the need for expensive civils, helping to expedite the commissioning process of entire plant solutions.
With a tank diameter of 20 metres and a weight of 88 tonnes when empty and 1,150 tonnes when full, the A2500 features a small footprint whilst packing a punchy 2500m³/hour and a solids capacity of 125 tonnes/hour.
An alternative to water extraction from natural sources and the costly process of pumping water to the plant, CDE’s A2500, like the full AquaCycle range, significantly reduces costly water consumption by ensuring up to 90% of process water is recycled for immediate re-circulation.
