In the field of sludge treatment, plate and frame filter presses are widely used due to their efficient and stable dewatering performance. However, in traditional dewatering processes, problems such as high moisture content of the sludge cake and long filter press cycle are often encountered. The introduction of sludge enhancers has provided a breakthrough solution to this problem, significantly improving the dewatering efficiency and effect of plate and frame filter presses.

The dewatering challenge of plate and frame filter presses

Long sludge feeding time: The colloidal substances and fine particles in the sludge are prone to clog the filter cloth, resulting in a slow sludge feeding speed.

High moisture content of sludge cake: Traditional chemicals are unable to completely eliminate the hydrophilic nature of the sludge, resulting in a persistently high moisture content of the sludge cake.

High operating energy consumption: Long-term filtration pressurization increases equipment energy consumption and processing costs.

The core advantages of the sludge enhancer:

The sludge enhancer significantly improves the dewatering performance of the filter press through the following mechanism:

Efficient gel-breaking effect: Destroys the colloid structure in the sludge, releases bound water, and reduces the sludge's viscosity.

Flocculation enhancement: Forms dense and uniform flocs, reduces filter cloth blockage, and speeds up the sludge intake.

Improvement of hydrophilicity: Reduces the hydrophilicity of the surface of sludge particles, facilitating rapid separation of water.

Wide adaptability: Suitable for various types of sludge, including municipal sludge and industrial sludge.

Actual application effect‌

Shortened filtration cycle‌: The sludge enhancer can reduce the sludge feeding time by 30% to 50%, significantly improving the processing efficiency.

Reduce the moisture content of the sludge cake: The moisture content of the sludge cake can be reduced from over 80% to below 60%, making it easier for subsequent disposal.

Reduce dosage of chemicals: Compared with traditional chemicals, the dosage of sludge enhancer is lower, thereby saving operating costs.

Extend equipment lifespan: Reduce filter cloth blockage, minimize equipment wear, and prolong service life.

Application Suggestions

Pilot-scale Optimization: Based on the characteristics of the sludge, determine the optimal dosage and reaction time through a pilot-scale test.

Addition method: It is recommended to add uniformly during the sludge conditioning stage to ensure thorough mixing.

Equipment coordination: Adjust according to the operating parameters of the plate and frame filter press (such as pressure, cycle) to achieve the best results.

The combination of sludge enhancer and plate-and-frame filter press provides an efficient and economical solution for sludge dewatering.