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TENESUN Sludge Drying Heat Pumps are designed for municipal and industrial sludge reduction projects that require lower disposal costs, stable operation, and easier compliance. Using controlled low-temperature drying with heat recovery and intelligent control, the system reduces sludge moisture efficiently while keeping energy use predictable.
By cutting sludge volume and weight, TENESUN helps make transport, storage, incineration, or co-processing more economical-ideal for continuous-duty sites such as WWTPs, printing & dyeing, papermaking, chemical and plating industries.
TENESUN uses a closed-loop low-temperature heat pump drying process to remove moisture from sludge efficiently while recycling energy inside the system. Instead of “burning” heat like fuel dryers, the heat pump moves and reuses heat, which is why operating costs are more predictable and energy efficiency is higher.
The system generates controlled warm air (typically low to mid temperature) and delivers it evenly across the sludge layer. This gently evaporates water without the aggressive high-heat spikes that can cause sludge scorching, uneven drying, or unstable operation. The result is consistent moisture reduction and better control of final sludge condition.
As moisture evaporates, the air becomes humid. TENESUN continuously pulls this humid air into the dehumidification section, where water vapor is condensed into liquid and separated for discharge. This step is critical because it keeps drying efficiency stable even when sludge moisture is high.
During condensation, the system recovers the released latent heat and feeds it back into the drying loop. In simple terms:
the heat used to evaporate water is captured and reused, instead of being exhausted and wasted. This is the core reason heat pump sludge drying can maintain high efficiency and lower energy consumption compared with conventional thermal dryers.
Sludge output and moisture content can fluctuate in real plants. TENESUN integrates intelligent control logic to automatically adjust key parameters—airflow, temperature, and drying time—to keep the system running steadily. This improves reliability for continuous-duty sites such as municipal WWTPs and industrial facilities.
By reducing moisture effectively and consistently, the dried sludge becomes easier and cheaper to handle—supporting downstream transport, storage, incineration, or co-processing with reduced mass and volume.
