Jiangsu Longdai Environmental Protection Co., Ltd.
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Decanter Centrifuge vs. Filter Press: Applications in Solid-Liquid Separation
Decanter centrifuges and filter presses are two essential technologies for solid-liquid separation across industries. While both serve to separate solids from liquids, they differ significantly in operation principles and ideal use cases. The following outlines their primary applications:
Decanter Centrifuge Applications
Wastewater Treatment:
Removes suspended solids from industrial and municipal wastewater, significantly improving effluent clarity and reducing biological load.
Food and Beverage Processing:
Used for clarifying juices, recovering edible oils, refining beer and wine, and separating food by-products.
Mining and Minerals:
Dewatering mineral concentrates, processing tailings, and recovering valuable solids from slurry streams.
Chemical Manufacturing:
Separates catalysts, pigments, polymers, and other solids from liquid reaction media in continuous production processes.
Oil and Gas Industry:
Treats drilling mud, separates oil-water-solids mixtures, and processes produced water onshore and offshore.
Filter Press Applications
Wastewater Sludge Dewatering:
Produces exceptionally dry cake in municipal and industrial sludge treatment, reducing disposal volume and cost.
Mining and Quarrying:
Generates high-purity mineral concentrates and efficiently de-waters tailings with very low residual moisture.
Chemical and Pharmaceutical Production:
Ideal for batch processing of high-value products where maximum solids recovery and liquid clarity are critical.
Food Industry:
Used in edible oil purification, starch processing, and brewery wastewater treatment where closed-system hygiene is required.
| Model | Drum diameter(mm) | Processing capacity(m³/h) | Weight(kg) | Dimension(max)(mm) |
| LW250 | 250 | 1~4 | 1300 | 2750*720*900 |
| LW350 | 350 | 5~18 | 2200 | 3412*1090*950 |
| LW450 | 450 | 5~28 | 3000 | 4380*1080*1360 |
| LW520 | 520 | 10~35 | 5000 | 4840*1160*1465 |
| LW550 | 550 | 10~45 | 6500 | 5038*1388*1578 |
| LW580 | 580 | 15~20 | 7000 | 4800*1580*1280 |
| LW620 | 620 | 18~30 | 10000 | 5450*1770*1300 |
| LW650 | 650 | 20~60 | 8500 | 5100*1800*1560 |
| LW760 | 760 | 50~100 | 16000 | 5800*2200*1650 |
