High Moisture Content in Starch Dewatering, Vacuum Drum Filter Improves Solid-Liquid Separation
April 28, 2026
As the final core procedure of cassava starch production, dewatering directly affects storage stability, transportation cost and product quality. Traditional filter pressing and natural sedimentation deliver weak separation effect. Residual moisture inside starch cake cannot be fully removed, resulting in excessively high moisture content.
High moisture leads to heavy transportation weight and extra drying energy consumption. Damp starch is prone to caking, mildew and deterioration, greatly shortening storage time. Unstable water content also causes fluctuating drying load, higher production cost and inconsistent finished indicators, which fail to meet food-grade and export standards and restrict market competitiveness.
The Vacuum Drum Filter adopts negative pressure vacuum adsorption technology to achieve efficient and continuous solid-liquid separation. The rotating drum enables even material attachment, while stable vacuum suction extracts free water and capillary water rapidly. It effectively reduces cake moisture and solves the long-standing problem of incomplete dewatering.
Integrated with continuous working design, the equipment completes feeding, filtering, dewatering and discharging synchronously. Uniform cake thickness and stable dryness ensure consistent batch quality. Optimized vacuum sealing and fluid channel design prevent pressure leakage and efficiency attenuation. It perfectly connects upstream screening and downstream drying processes, optimizing overall energy consumption and production efficiency.
- Choose high-negative-pressure Vacuum Drum Filter to realize deep dewatering and stable low moisture content.
- Check overall sealing performance to maintain stable vacuum and separation efficiency.
- Select customized filter cloth to balance water permeability and starch interception.
- Match drum diameter and specification according to daily output to coordinate full-line capacity.
- Adopt variable-frequency speed regulation design to adapt to variable slurry concentration and working conditions.