Sludge Dewatering Treatment

Applications

Sludge dewatering using filter presses has become accepted as a dependable and effective method of dewatering effluents and sludge from industrial and municipal waste treatment processes. Some typical applications include:

• Municipal sewage sludge dewatering
• Faecal sludge treatment
• Large-scale fly ash pond dewatering(Ultrafine coal dewatering as well as filtrate recovery in coal preparation plants).
• Metal Hydroxide Sludge recovery and Dewatering
• Oily Sludge recovery and Dewatering
• Secondary Biological Sludge recovery and Dewatering
• Dewatering of Alum Sludge
• Ready mix concrete water recovery
• Metal concentrate recovery
• Sludge in biogas plant
• Lime sludge dewatering

Solutions

Volute Screw Press

Advantages : Continuous automatic working, no consumables, small footprint.
Disadvantages : Lower capacity, small continuous processing capacity, higher moisture content, more demand flocculant.
Suitable situation : Suitable for undemanding moisture content requirement, high automation requirements.

Belt Filter Press

Advantages : Continuous automatic working, the processing capacity is higher than that of the stacked screw sludge machine.
Disadvantages : Lower capacity than filter press, high moisture content (higher than chamber filter press, lower than stacked sludge machine), more demand for flocculant.
Suitable situation : Suitable for undemanding moisture content requirement, high automation requirements.

Filter Presses (Chamber Filter Presses, Membrane Filter Presses)

Advantages : Dryer cake; Low demand flocculat; The capacity is flexible that can be small or huge; Filter plates material is flexible that can be selected according to different materials and working conditions.
Disadvantages : Intermittent work, the filter cloth needs to be cleaned or replaced every few months; Requires worker keep an eye to run the machine.
Suitable situation : Many capacity and material, wide range of application, can be applied to large-scale projects.

Cases

Municipal sewage sludge dewatering
200m² Vehicle-mounted membrane filter press

Municipal sewage sludge dewatering
2sets 500m² membrane filter press

River silt treatment
6sets 500m² membrane filter press

Faecal sludge treatment(Dairy farm)
200m² 1250 Chamber Filter Press

Piling Sludge Dewatering
2sets 500m² 1500 chamber filter press

Sewage treatment plant (domestic sewage)
500m² 1250 high pressure membrane filter press

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