High-solids capture in a compact footprint. Decanter centrifuges achieve 20–28% cake solids with exceptional solids recovery exceeding 95%, making them ideal for dense, fibrous sludges and space-constrained sites.
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A decanter centrifuge uses centrifugal force to accelerate the separation of solids from liquid sludge. Conditioned sludge is fed into a rotating bowl where the high G-force drives solids to the bowl wall. A scroll conveyor transports the compacted solids toward the conical discharge end while clarified centrate overflows at the opposite end. The differential speed between bowl and scroll controls cake dryness. This continuous process achieves exceptional solids recovery with minimal footprint, making it the technology of choice for space-limited sites and dense sludges.
| Parameter | Range / Value |
|---|---|
| Cake Dryness | 20–28% solids |
| Throughput | 100–5,000 kg DS/h |
| Energy Consumption | 25–50 kWh/tonne DS |
| Polymer Dose | 3–7 kg/tonne DS |
| Solids Recovery | 95–98% |
| Bowl Diameter | 250–1,000 mm |
| G-Force (Max) | 2,000–4,000 g |
| Footprint | Compact (skid-mounted) |
| Operator Attention | Low (automated control) |
| Noise Level | < 80 dB(A) with enclosure |
| Materials | Duplex SS, tungsten carbide tiles |
Share your sludge type, flow rate, and dryness target. We will select the optimal bowl diameter, G-force, and differential speed for your application.
Filter press dewatering equipment for mineral slurries, lime sludge, and landfill-bound cake.
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Contact UsCompare decanter centrifuge against filter press and belt press: throughput, cake DS, wash-water demand, and footprint.
Compare technologies →Downstream options after centrifugation: drum drying, belt drying, and fluidised-bed systems to >90% DS.
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