The Belt Filter Press is used to remove water from sludge and turn it into a solid, stable material. It uses gravity and pressure together to reduce moisture effectively. The process happens in 3 stages (gravity, wedge, and pressure zones) to remove as much water as possible while staying energy efficient. It works continuously with automatic controls, so it needs very little operator attention. Its strong design and low-speed operation make it reliable, quiet, and easy to maintain. Reducing sludge volume, it helps lower disposal and transport costs, making it a cost-effective solution for wastewater treatment.

1. What is a belt filter press?
A belt filter press is a sludge dewatering system that removes water from sludge using moving filter belts and mechanical pressure.
2. What are the main benefits of a belt filter press?
Belt filter press runs continuously, removes water from sludge efficiently, and reduces the overall volume. It also uses little energy and works reliably without needing much operator attention.
3. Where can a belt filter press be used?
Belt filter presses are widely used in municipal wastewater plants, industrial processing, mining, and food production to reduce sludge volume and lower disposal costs.
4. What level of dryness can you expect?
A belt filter press dewatering system can produce sludge cake with around 70–80% moisture content, depending on the sludge type and operating conditions.

| Model | AQT-500 | AQT-1000A | AQT-1500A | AQT-1500B | AQT-2000A | AQT-2000B | AQT-2500A | AQT-2500B | AQT-3000 |
| Output Moisture Content (%) | 70–80 | ||||||||
| Polymer Dosing Rate (%) | 1.8–2.4 | ||||||||
| Dried Sludge Capacity (kg/h) | 100–120 | 200–203 | 300–360 | 400–460 | 470–550 | 600–700 | |||
| Belt Speed (m/min) | 1.57–5.51 | 1.04–4.5 | |||||||
| Main Motor Power (kW) | 0.75 | 1.1 | 1.5 | ||||||
| Mixing Motor Power (kW) | 0.25 | 0.25 | 0.37 | 0.55 | |||||
| Effective Belt Width (mm) | 500 | 1000 | 1500 | 1500 | 2000 | 2000 | 2500 | 2500 | 3000 |
| Water Consumption (m³/h) | 6.2 | 11.2 | 16 | 17.6 | 20.8 | 22.4 | 24.1 | 25.2 | 28.8 |


The Belt Filter Press operates through a continuous multi-stage dewatering process combining gravity, shear, and mechanical pressure.
Conditioned sludge is first fed onto a moving filter belt, where free water is removed in the gravity drainage zone. The sludge then passes through a wedge zone, where it is gently compressed between two belts to prepare for further dewatering. In the pressure zone, the sludge is subjected to increasing mechanical pressure as it passes through a series of rollers. This progressively squeezes out additional water, forming a dewatered filter cake. The final cake is discharged for disposal or further processing, while the filtrate is collected and returned to the treatment system.

The Belt Filter Press operates through a continuous multi-stage dewatering process combining gravity, shear, and mechanical pressure.
Conditioned sludge is first fed onto a moving filter belt, where free water is removed in the gravity drainage zone. The sludge then passes through a wedge zone, where it is gently compressed between two belts to prepare for further dewatering. In the pressure zone, the sludge is subjected to increasing mechanical pressure as it passes through a series of rollers. This progressively squeezes out additional water, forming a dewatered filter cake. The final cake is discharged for disposal or further processing, while the filtrate is collected and returned to the treatment system.
| Model | AQT-500 | AQT-1000A | AQT-1500A | AQT-1500B | AQT-2000A | AQT-2000B | AQT-2500A | AQT-2500B | AQT-3000 |
| Output Moisture Content (%) | 70–80 | ||||||||
| Polymer Dosing Rate (%) | 1.8–2.4 | ||||||||
| Dried Sludge Capacity (kg/h) | 100–120 | 200–203 | 300–360 | 400–460 | 470–550 | 600–700 | |||
| Belt Speed (m/min) | 1.57–5.51 | 1.04–4.5 | |||||||
| Main Motor Power (kW) | 0.75 | 1.1 | 1.5 | ||||||
| Mixing Motor Power (kW) | 0.25 | 0.25 | 0.37 | 0.55 | |||||
| Effective Belt Width (mm) | 500 | 1000 | 1500 | 1500 | 2000 | 2000 | 2500 | 2500 | 3000 |
| Water Consumption (m³/h) | 6.2 | 11.2 | 16 | 17.6 | 20.8 | 22.4 | 24.1 | 25.2 | 28.8 |
1. What is a belt filter press?
A belt filter press is a sludge dewatering system that removes water from sludge using moving filter belts and mechanical pressure.
2. What are the main benefits of a belt filter press?
Belt filter press runs continuously, removes water from sludge efficiently, and reduces the overall volume. It also uses little energy and works reliably without needing much operator attention.
3. Where can a belt filter press be used?
Belt filter presses are widely used in municipal wastewater plants, industrial processing, mining, and food production to reduce sludge volume and lower disposal costs.
4. What level of dryness can you expect?
A belt filter press dewatering system can produce sludge cake with around 70–80% moisture content, depending on the sludge type and operating conditions.